16 items will be shown on each view. Heat causes expansion. I'm wondering if these new plugs are fuel fouled and that might be causing misfire at idle?. This is a 2BBL unit installed on a freshly rebuilt Land Cruiser 2F engine. A term you are bound to run across when tuning an EFI fuel injection set-up, is the term "closed loop o2". They Holley Sniper system is a fuel injection system. The cylinder can miss a stroke, causing immediate engine power loss and a noticeable sound effect. Re: Any other Holley Sniper EFI installs? 500 miles and 3 months of hell from the moment i fired it up for the first time. This is where it gets interesting. fuel level is below the sight plug on the float, adjustment screws are about as lean as you can go on the carb. 005 gallons of gasoline), it would take a tremendous amount of Nitrous to continuously run a car. 5-1 comp hdr roller 282,288, 230, 236 @. Looked at the ECU systems check, all sensors and fuel presure look good, except now I get no crank vallue. Holley Sniper EFI Hyperspark (19) Holley EFI (11) MSD Crank Trigger (4) A1 Random or Multiple Cylinder Misfire Detected The last number in these accompanying. Holley's new Sniper EFI fuel pump conversion makes a great upgrade for classic Chevelles, Corvettes, Novas, Camaros, and even trucks. The car will start fine but only run for about 10-12 seconds. Car would idle fine. At the time the IAC will jump all over the place from about 5-28%. The Sniper (like ALL Holley stuff) is set up to be FAT, why because fat is safe lean is death. An undiagnosed exhaust leak can manifest as a huge problem, re-writing healthy fuel maps and. 520-inch lift and 230/236 degrees of duration. Ford, Lincoln, & Mercury. Shoot for between 400 mv to about 700 mv. Professional wiring for Classics, Street Rods, Race Cars and high performance vehicles. Including Mike Allen's Physics 101 introduction to Ohm's law. NOTE - My enquiry about the Holley Sniper EFI system now will not be happening, sticking with the carby setup in my SLE :-) Cheers :-). On the engine dyno with a carburetor this engine made 525 horsepower and 580 lb-ft of torque. I have the 30004 600hp power adder model which are around $2K locally but you need to add a fuel system on top of that. I got it tuned in pretty well but it seems to have a flat spot. intakes, illustrates the trend. 9 air/ fuel ratio and be loading up so bad your eyes water, And hardly ever starts without 30 seconds of cranking, backfiring, cranking. I have a 69 with a 302, nv3550, Mallory Unilite, Holley Sniper and 488's turning 35's. Testing An Ignition Coil On A Car. Quick Shop Injector Juice Kit. 7 based on 46 Reviews "Fantastic shop with state of the art equipment and. Your results may vary. 11 + Free shipping. It runs better than ever without those stuck valves, but the isky cam didn't hurt! I'm running dual holley 94's. A P0302, for example, indicates a misfire on a. Troubleshooting Ignition Coil Problems. MSD Ignition 8202 - MSD Blaster 2 Ignition Coils. This action is irreversible and the fuse must be replaced after the circuit malfunction is repaired. The number 3 indicates that the failure is in the misfire monitoring system. Welcome to the LS1TECH - Camaro and Firebird Forum Discussion. MSD Ignition 8202 - MSD Blaster 2 Ignition Coils. Open Loop o2? How to tune and set these parameters. Holley sniper misfire Justin Ferrall. 0 Shorty Headers Stainless with O2 fittings (pair) These headers were specifically designed for Wild Horses to fit 66-77 Broncos with late model 5. You would hear the misfire and look at the handheld to see the AFR go to 9-10, probably cause it didn't burn that fuel. You only need this if your ignition system is out of phase. No starter interference problems and easy installation. Sometimes if there are outside problems such as bad misfires, exhaust leaks, or any other situation that could cause poor readings on the O2 sensor, the system will try to. Modern EFI engines still need these three elements, but they use. Refine results by: Current Vehicle. Now, Holley EFI is dominating the performance world as well as our products for GM's LS engine. The administrator has banned your IP address. 7-liter engine (that’s a 350 for you old-school guys), running at 4,000 rpm consumes roughly 2-3/4 gallons of air every minute (compared to about. I will have to post some pics and videos. If your credit card has already been charged for the purchase and your order is cancelled, FiTech Fuel Injection shall issue a credit to your credit card account in the amount of the incorrect price. Holley Sniper EFI HyperSpark Distributors. 02-12-2020, 08:44 PM. your questions to [email protected] Distributor. Tunnel Ram Fuel Injection offers maximum torque & HP, reaction time and repeat ETs. Making the decision to move from a carburetor to electronic fuel injection (EFI) for grassroots bracket racing is a big deal, but the parts you actually need really aren't that exotic at all. Before my Holley EFI, I used a Innovate Motorsport wideband LM1 to measure AFR. HOLLEY SNIPER EFI PROBLEM running Timing Control Acts as if the power is being interrupted, for a split second, and intermittently stalls. Capacitor discharge ignitions (CDI) such as those from Accel, Crane, Holley, Jacobs, Mallory, MSD and others create sparks that are compressed (and intensified) into shorter duration and are designed to additionally produce the extra spark energy needed by race and modified street engines that will reach higher RPM than stock engines and use. Brand: Holley. In 1992, the Ford Motor Company manufactured the 5. Recently installed a holley sniper efi system on my 67 6cyl easy install and system setup with the handheld. This is commonly referred to as a draw-through installation as the fuel is drawn through the supercharger. If sufficient fuel flow returns, the piston will work as. 0 fuel injected engines. That's what carbs, coils, and distributors are for. Pump is dead silent, no heat issues, etc. 42, ZQ8 suspension. Troubleshooting a faulty or inoperative ignition should always use a logical approach. The Holley Sniper systems boast an impressive array of features that can work with a variety of engine applications. Pertronix Plug and Play Ignition Kits. Then we discovered the engine still had the cold spark plugs in it from the previous year's dyno test. EFI Connection's 24x LT1 systems are designed to output the 24x crank and 1x cam signal of a GM Gen III LS-Series engine. These full-featured throttle bodies are easy to install, can support a lot of horsepower, and will keep your budget intact. You cant feel it and it doesn't seem to effect performance as Im still running in the 9's. The software is FAST, it loads right away on my old laptop with zero issues and the GCFs are like 80 kbs bigso they are super quick and easy to save and email. 0 Shorty Headers Stainless (pair) These headers were specifically designed for Wild Horses to fit 66-77* Broncos with late model 5. PTFE line etc. Manifolds do get hot to touch but not normal to glow unless the exhaust from the engine isn't leaving thru the exhaust pipes fast enough. 8 V6: convert to carb ? efi motor in a older car; TBI '90 Suburban issues (I'm a newb) Cold misfire 1997 Chevy 5. This Bosch EV14-based injector is the highest flowing. All three units look very good and are all throttle body injection so easy to install and set up if youtube is anything to go by. Incorrect timing. The Holley Sniper systems boast an impressive array of features that can work with a variety of engine applications. We recently added Holley's Sniper EFI to a 468ci big-block Chevy, and while it seemed to idle well, we used an EMS 5-gas exhaust gas analyzer to help us dial in the timing and fuel. Add To Cart. Hey guys, I'm getting ready to wire in my autometer vss 5291 to my holley efi dominator. 0 fuel injected engines. 0 Shorty Headers Ceramic with O2 fittings (pair) These headers were specifically designed for Wild Horses to fit 66-77 Broncos with late model 5. Jump to Latest Follow 1 - 2 of 2 Posts. Timing Chain Cover Valve Covers Water Pumps & Hoses CURING THE INFAMOUS BRONCO LEAN. Holley Sniper 550-510 EFI 4150 4-Barrel Self-Tuning Base Kit. So far so good. Holley Sniper EFI Hyperspark (19) Holley EFI (11) MSD Crank Condition. The Sniper Stealth 4500 EFI system from Holley features 8, 100LB/HR Fuel Injectors capable of supporting 800 to 1500 HP naturally aspirated, or 800-1250 HP on forced induction applications. A P0302, for example, indicates a misfire on a. Trigger contacts have excessive resistance or are dirty. The Holley Sniper EFI Self-Tuning Kit will require the use of an electric high-pressure fuel pump, this kit will NOT work with a mechanical fuel pump. Each item can be chosen to be graphed (or not) by selecting the checkbox next to each parameter. Holley Sniper 565-300BK - Holley Sniper EFI HyperSpark Distributors Compare Distributor, HyperSpark, Hall Effect, EFI, Billet, Black, V8, Small Block Gen I, Big Block Mark IV, Chevy, Each. I ran it on the dual plane too. house my 408W, saving up for some type of older Mustang or cool Ford to stuff it into, so I don't want the expense of it all. HOLLEY SNIPER EFI PROBLEM running Timing Control Acts as if the power is being interrupted, for a split second, and intermittently stalls. 8 V6: convert to carb ? efi motor in a older car; TBI '90 Suburban issues (I'm a newb) Cold misfire 1997 Chevy 5. No concrete answers. If it's your first experience with EFI it's good to learn with but it's no comparison to something like a Haltech or Holley (non-sniper) and it is a compromise compared to multipoint. The primary side is the parts or components that deal with converting low voltage from the battery to the high voltage. Just thought i would see if anyone has had any experience with the Holley HP EFI system. 0 Shorty Headers Stainless with O2 fittings (pair) These headers were specifically designed for Wild Horses to fit 66-77 Broncos with late model 5. Installed new Wildhorses ceramic shorty headers and new valve covers on stock 302, now cylinder 7 is misfiring. Write a review. Late Model Coil Packs / Chrysler, Dodge, & Jeep. Summit Racing carries Sniper EFI throttle body kits as well as Sniper EFI fabricated intake manifolds designed to maximize your vehicle's power while going easy on your budget. The next step is the fun part: wide-open throttle. 2L V8 shorty headers. You only need this if your ignition system is out of phase. DimeBag S10 First Start Up on Holley Sniper EFI Cleaning up the S10 and getting it started up on New Holley EFI Instagrams- Reaper_IS3 Mbs_p_loko Mbs_poste Dimebag_s10 SicarioMedia Jeffrey Pollo'Loko Reyes compartió una Marketplace post. 0 A/F ratio. 5-1 comp hdr roller 282,288, 230, 236 @. The Holley Sniper doesn't seem to have many reviews yet, but the few I have seen were not great. Starts right up and idles at 800rpm when warm. the advertised returnless fuel system is a joke-you need to answer questions to equal 5 points in the directions to run as a returnless system,unless you always drive in below 80 degree whether it is impossible to meet the requirements. MSD Ignition 8202 - MSD Blaster 2 Ignition Coils. ) For that $250 you get an inline fuel pump, pre- and post-filters, fuel line with Earl's push-lock fittings, a fuel bulkhead fitting for the return line, as well as assorted clamps and mounting hardware. 95 Sniper EFI System (for a total of $1249. 00 1450CC @ 3 Bar/1650CC @ 4 Bar. Holley Sniper EFI Hyperspark (19) Holley EFI (11) MSD Crank Trigger (5) A1 Random or Multiple Cylinder Misfire Detected Code P0300 stands for “Random or. adrian alvarez: 01/2/16, 04:43:19 AM, a. It has a rear-wheel-drive and is paired to a 10-speed automatic transmission. COM (91) 8-200 FAX (91) 8-44 INSTALLATION INSTRUCTIONS 1 Parts Included: 1 - Main Harness1 - MSD Ignition 1 - Harness, PN 8860 OPERATION AND FEATURES DIGITAL OPERATION The Digital 6A and 6AL use a high speed RISC microcontroller to control the ignition's output while. For example: The point's driver on the EFI unit sends a ground signal to the Ignition. I have also seen several threats discussing some problems with timing control, but seems like it might work much better with their $450 Holley dual. Solving RF Interference Issues in Sniper Installations Posted by Chris Myer 05/25/17 7 Comment(s) Holley Sniper EFI Instruction , In my experience the far majority of Sniper EFI customers never have a problem with radio frequency / electro-magnetic interference (RFI/EMI). Overlooking the basics will leave to frustration and unnecessary time and expense. I have a 502cid 10. Exhaust Gas Temperature data is critical information when your engine tune up is on the ragged edge. Professional wiring for Classics, Street Rods, Race Cars and high performance vehicles. com specializes in Toyota Performance Parts for 20R, 22R, 22RE, 4AG, 2RZ, 3RZ, 2TR, 3VZ, 5VZ, 1GRFE engines. Misfire help I have a 69 with a 302, nv3550, Mallory Unilite, Holley Sniper and 488’s turning 35’s. Holley's products also include performance fuel pumps, intake manifolds & engine dress–up products for street performance, race and marine applications. Last Post: XT fit help 1969 Chevelle sbc with ss hood. Pump is dead silent, no heat issues, etc. Covering everything from stock turbocharger cars, seriously fast drag racers, boats, motorcycles, and daily driver modified turbo cars and trucks. I have the following setup: International 345 V8 Engine 727 Automatic Transmission Sniper 4150 EFI Pertronix Ignition Module Pertronix HEI Igniter No timing control While I'm sitting at a light or stop sign, I get an intermittent stall. mixture in the cylinder which will result in a misfire and loss of power. The car is awesome. So, the higher quality connector, wiring, and shielding will provide more of your spark from the coilpack, to your spark plug. The Sniper line of fuel pumps, regulators, and filters make Sniper a one-stop-shop for a complete fuel system overhaul. I have the ez efi 2. your questions to [email protected] For example, the ideal air-fuel ratio for a gasoline (petrol) engine is 14. There were several articles about IAT's when pro stock switched from carbs to efi. And I'm getting 5 mpg less than when I was running my 1000 Holley with 88 jets square. I've got a holley 600 vac secondary on my 355, it's got ported sportsman II's, a hot cam, single plane weiand, and true duals I've got a holley red pump and regulator, set to 5 1/2 psi. Project Goals To learn, first hand and hands on, all that can be learned about the pros/cons of carbs vs. That’s a lot of information at once, but to help break down the entire system, MSD recommends examining the ignition system process as having a primary side and a secondary side. Re: Any other Holley Sniper EFI installs? 500 miles and 3 months of hell from the moment i fired it up for the first time. The car would stumble as soon as the throttle was cracked. The primary side is the parts or components that deal with converting low voltage from the battery to the high voltage. Holley Sniper EFI Conversion Fuel Tanks. The 160s are above my supercharger and see no boost, the lowers are in the ports and are subject to boost. FPR in the Sniper is new it was replaced once already by Holley. It started to misfire, I could see the rpm dips and see the engine shaking. Currently it will misfire 9-10 times at low to mid rpm and then it will figure itself out. Alliant Power 6. Seems they may have noisy injectors and/or regulator, one complaint said it was quite significant. I've browsed this forum as well as other Mustang forums on this topic. No concrete answers. The Sniper Stealth 4500 also features multiple Input and Output options for sensor inputs and switched outputs to control external relays. HTH, Richard. Whether it's replacing the single coil mounted separate to the distributor, the HEI coil, a coil pack, or a coil over plug, we've proven on more than one occasion that coil upgrades do provide performance benefits including incre ased power you can see on the dyno. With the vehicle in neutral, adjust the idle screw until the IAC Position reads between 2 and 10%. NOS 05177NOS Automobile Parts pdf manual download. By the way. No starter interference problems and easy installation. I have a mass air harness and A9L computer from an 89 5. 4 new & refurbished from $249. It draws its energy directly from the battery where a custom wound transformer steps it up to over 460 volts. Any opinions on which is the best one to use for reliability and user friendly- Fast - holley Sniper. You only need this if your ignition system is out of phase. We've got a wide rang of top-quality Ford Crown Victoria Intake Manifold of all the best brands in the industry at an affordable rate. Then we discovered the engine still had the cold spark plugs in it from the previous year's dyno test. Holley carburetors powered every Monster Energy NASCAR® Cup team and nearly every NHRA® Pro–Stock champion for four decades. That rubbing can cause burns or friction scoring on the side of the piston. Holley Sniper Efi 556 150 Sniper Efi Coil Driver Module. 0 Shorty Headers Stainless (pair) These headers were specifically designed for Wild Horses to fit 66-77* Broncos with late model 5. On the engine dyno with a carburetor this engine made 525 horsepower and 580 lb-ft of torque. Pump is dead silent, no heat issues, etc. These are the best choice for low-end torque and horse power. He notes that a cylinder misfire may or may not throw a code. In response to Dale_Holley You answered your own question: You stated that with the EFI is idled fine at the 750-800 rpm & 14. I'm going to do an EFI conversion on my 67 Mustang. Get the best deal for a 1994 Volkswagen Golf Distributor. To read a spark plug, start by checking the color, since an undamaged spark plug will be light grey, or possibly tan. Duramax LLY - FICM / Injector Trouble / Misfire - Part 1 - Duration: 1:11:59. 2L V8 shorty headers. Meanwhile. 3 afr as a result, but the car still went. Add To Cart. Showing 1-15 of 41 A P0302, for example, indicates a misfire on a particular cylinder (in this example, cylinder 2). Sometimes when you are tuning an engine that is already in a vehicle on a chassis dyno, a lot of strange things can happen that you should be aware of. In addition, the setup I run uses dual throttle bodies. Holley EFI Spark Plug Wires. The master kit adds $250 to the price of the $999. I wish I had as much control on my L98 as the Holley Sniper gives you. We recently installed a Holley Sniper system on a big-block Chevrolet. Free shipping on many items Holley Sniper EFI 837031 Sniper EFI Sheet Metal Fabricated Intake Manifold - (Fits: 2010 Dodge Charger) $569. Sniper Ignition Setup with Timing Control: Once you are up and running then press on for timing control. Now when you put the carb back on you said you had to run it at 750-800 rpm AND 12. Check Rotor Phase while engine is running for best accuracy. I have a Holley Sniper EFI on a 454 with stock internals & heads running a dual sync distributor with timing control as well. Cameron B New Member. Testing An Ignition Coil On A Car. The engine goes massively rich (10. WILD HORSES 5. Holley Sniper EFI 4150 Super Sniper 1250 1250 HP Forced Induction Sniper EFI 4 Barrel Fuel Injection Conversion - Self-Tuning Kit + Handheld EFI Monitor - Classic Gold Finish Part# 550-517. 7-liter engine (that’s a 350 for you old-school guys), running at 4,000 rpm consumes roughly 2-3/4 gallons of air every minute (compared to about. Old Gold Performance & Restoration Parts shared a post. Use a 3/16" bit to drill holes, install the vibration mounts and mount the ignition. My issue I'm having is getting the idle to smooth out and hold what I have set. Codes 44 & 94 - AIR system inoperative - Air Injection. I have the following setup: International 345 V8 Engine 727 Automatic Transmission Sniper 4150 EFI Pertronix Ignition Module Pertronix HEI Igniter No timing control While I'm sitting at a light or stop sign, I get an intermittent stall. Holley just brought EFI within range - introducing Sniper EFI! It’s economically priced so you can have all the benefits of EFI and still have money to finish or upgrade the rest of your ride! Perfect for street rods, muscle cars, off road trucks or nearly any carbureted vehicle. EFI University, Lake Havasu City, Arizona. This is where it gets interesting. Wrong fuel pressure, improper wiring, wrong part selection, ignition misfire, etcetera. » Read More Installing Strut Rods on 1963-'82 Corvettes. PTFE line etc. I have the 30004 600hp power adder model which are around $2K locally but you need to add a fuel system on top of that. Seems a little worse on race fuel than 93. So far so good. i only say this as you may gain even more power with the intake air charge being cooled. One of the leading causes of a miss fire condition in a fuel injected application, especially when you have a stand alone EFI and stand alone Ignition, is when the ignition and EFI are on different playing fields as far as ground is concerned. ) For that $250 you get an inline fuel pump, pre- and post-filters, fuel line with Earl's push-lock fittings, a fuel bulkhead fitting for the return line, as well as assorted clamps and mounting hardware. Sold individually (33) Assembly (8) Shop Buick Special Distributor. Designed for use with breaker point (1. It is paired with one of Holley’s 90mm, cable-actuated throttle bodies, which will make calibrating and dyno testing the combo easier. $30 1 Gallon EDPM RV Roof coating. 25-inch bore, the new. 56 K J’aime. Holley Nitrous Oxide Injection System Owner's Manual. FAST is the leading developer of electronic fuel injection systems, EFI components, intake manifolds, tuning tools for high performance and street applications Fuel Air Spark Technology JavaScript seems to be disabled in your browser. " Davin puts the Redline Rebuild Ford 289 on the engine dyno to find out if the Holley Sniper EFI is really an improvement over a standard four-barrel. So my new compensation is as follows:. PTFE line etc. Further testing has provided more information, clarify. Bronco Holley Sniper EFI Self-Tuning Kit Shiny Finish Installation - Duration: 35:59. The number 3 indicates that the failure is in the misfire monitoring system. Since carburetors are not as exact as computer controlled electronic fuel injection. With carburetion back the timing off about two degrees per 50. Troubleshooting a faulty or inoperative ignition should always use a logical approach. Re: Holley Sniper/HyperSpark CD vs MSD 6A Post by DARREN LILLY » Sun Oct 27, 2019 9:02 pm Hi Melford72 did you resolve the problem, I got mine back from the mechanics & not happy so far as it broke down 3x first day each time after about 15 minutes running. Random or Multiple Cylinder Misfire Detected Generally speaking, a. It was at 3000 RPMs at 75mph, and would get 14 - 15mpg. Compatible with gas and alcohol the unit has two ORB-10 inlet ports, one ORB-6 return. For my application, it's either me tuning EFI or picking up a 1050 Dominator tuned by Dominic Thumper. Come join the discussion about racing, builds, pro mods, hot rods, events, turbos, nitrous, superchargers, and more!. 5:1 ratio at part-throttle. EFI University, Lake Havasu City, Arizona. When accelerating it goes away. I got it tuned in pretty well but it seems to have a flat spot. I have a 502cid 10. Car would idle fine. The engine in our first series of tests was this 468ci big-block with Holley Sniper EFI, ported iron 049 oval heads, 10. All systems looked good, car started up fine, drove it around the neighborhood and put it back into the garage. Holley’s new Sniper EFI. Shoot for between 400 mv to about 700 mv. As you can see in my dyno sheet - one of the pulls it was. FPR in the Sniper is new it was replaced once already by Holley. Injection changed from a fitech 1200(and also used to run a qft750 blow through, power between these was within 20 hp), new setup is a Holley 4500 super sniper. Engine misfire – poor air/fuel mixture in the cylinders can cause an incomplete combustion event. Holley's new Sniper EFI fuel pump conversion makes a great upgrade for classic Chevelles, Corvettes, Novas, Camaros, and even trucks. I've always built my own. It is paired with one of Holley's 90mm, cable-actuated throttle bodies, which will make calibrating and dyno testing the combo easier. Sitting at the airport due to delayed flights gives one lots of time to think about car projects. The general rule is you do not need to press on the gas when starting a car with a fuel injected car, the startup routine set by the ECU is to first prime the pump and fuel lines and then as you turn the key (or press the start button) the starter. This is where it gets interesting. Troubleshooting a faulty or inoperative ignition should always use a logical approach. web; books; video; audio; software; images; Toggle navigation. the advertised returnless fuel system is a joke-you need to answer questions to equal 5 points in the directions to run as a returnless system,unless you always drive in below 80 degree whether it is impossible to meet the requirements. Top 10 Sniper EFI Installation Tips from Holley's Tom Kise Posted by Chris Myer 08/11/17 22 Comment(s) Holley Sniper EFI Instruction , Holley Technical Training Manager Tom Kise recently published a list of ten "suggestions" for Sniper EFI System installation and I offer them here essentially unedited. Today's self-tuning EFI systems (such as the Sniper EFI System, FAST EZ-EFI, and FiTech EFI) are completely dependent on the accurate sensing of air-fuel ratio after each cylinder's combustion. I'm going to do an EFI conversion on my 67 Mustang. One easy way to test a spark plugs conductivity is to test the wire with a OHM. Holley Nitrous Oxide Injection System Owner's Manual. Each item can be chosen to be graphed (or not) by selecting the checkbox next to each parameter. I've never purchased one of these kits Fast, Atomic EFI, Holley Sniper, etc that you install in a weekend and tune in an hour or two. The Sniper Stealth 4500 EFI system from Holley features 8, 100LB/HR Fuel Injectors capable of supporting 800 to 1500 HP naturally aspirated, or 800-1250 HP on forced induction applications. You cant feel it and it doesn't seem to effect performance as Im still running in the 9's. I tried moving the coil, shielding the holley with foil to isolate the problem. » Read More Installing Strut Rods on 1963-'82 Corvettes. Holley’s Sniper EFI lineup covers all the bases with the introduction of Snipers EFI XFLOW! Packed with 4-120 pound injectors and 900 cfm of airflow, the Sniper XFLOW fills the void!. 4 new & refurbished from $249. Our regular stainless steel headers come complete with all. It's using the factory sending unit and injection style filter screen with a 3/8" metal line I welded into the original pickup in place of the factory 5/16" return line. Ok, So first let me say that i installed this system about 1 and a half years ago. Get the best deals on Holley Car & Truck Distributors & Parts when you shop the largest online selection at eBay. It was at 3000 RPMs at 75mph, and would get 14 - 15mpg. Holley 558-443 Sniper EFI CAN-to-USB Communication Cable Access Sniper EFI in Re. Sold individually (37) Assembly (6) Shop Plymouth Sapporo Distributor. 55 E ember kedveli. The two are unrelated. The 160s are above my supercharger and see no boost, the lowers are in the ports and are subject to boost. The purpose of this article is to explain how open and closed loop o2 works and how to tune and modify these tables. In this chapter, I discuss the installation of a Holley HP EFI system on my personal hot rod, a 1972 Olds Cutlass with a 6-71 Roots-blown big-block Chevy. In EFI port-injected engines, it is ideal to avoid exceeding 90-percent duty cycle. The administrator has banned your IP address. Did a quick search and couldn't find anything specifically matching my issue. A term you are bound to run across when tuning an EFI fuel injection set-up, is the term "closed loop o2". 306 Blueprint with Holley Sniper Issues. Your results may vary. A P0302, for example, indicates a misfire on a particular cylinder (in this example, cylinder 2). Once upon a time an engine needed three things to run: fuel, air, and fire. Runs fine (or seems to) at higher rpms, and has no issue revving to 6000 or so. Showing 1-15 of 41 A P0302, for example, indicates a misfire on a particular cylinder (in this example, cylinder 2). This system for $1100 will control your engine in a better fashion than what you are playing with now. Capacitor discharge ignitions (CDI) such as those from Accel, Crane, Holley, Jacobs, Mallory, MSD and others create sparks that are compressed (and intensified) into shorter duration and are designed to additionally produce the extra spark energy needed by race and modified street engines that will reach higher RPM than stock engines and use. I wish I had as much control on my L98 as the Holley Sniper gives you. Carb-To-EFI Part2: Adding Ignition Control (HEI8). Holley Sniper EFI HyperSpark Ignition System. Chugga Chugga Chugga and never got better. The ECU or the coil gets hot and expands. Now, Holley EFI products power these cars and are dominating the performance world. Cinema asiatico dal 27 dicembre 2014 al 2 gennaio 2015. These full-featured throttle bodies are easy to install, can support a lot of horsepower, and will keep your budget intact. Holley Sniper 565-300 - Holley Sniper EFI HyperSpark Distributors Compare Distributor, HyperSpark, Hall Effect, EFI, Billet, Natural, V8, Small Block Gen I, Big Block Mark IV, Chevy, Each. Ok, So first let me say that i installed this system about 1 and a half years ago. Check vacuum lines for leaks, & cracks. Share - Bosch Upgrade 12 Hole Jeep Cherokee 1999 4. Recently Searched. The engine goes massively rich (10. 0 fuel injected engines. Holley Sniper EFI Hyperspark (19) Holley EFI (11) MSD Crank Trigger (5) A1 Random or Multiple Cylinder Misfire Detected The last number in these accompanying. PTFE line etc. > Recovery on a Super Gas car is as smooth or as instant via your throttle control. I tried moving the coil, shielding the holley with foil to isolate the problem. Holley Sniper EFI HyperSpark Distributors. If its EFI, and has a bunch of cold starts on it with no, or very little drive time. MSD Ignition 8202 - MSD Blaster 2 Ignition Coils. Distributor. I have a mass air harness and A9L computer from an 89 5. house my 408W, saving up for some type of older Mustang or cool Ford to stuff it into, so I don't want the expense of it all. Holley's new Sniper EFI fuel pump conversion makes a great upgrade for classic Chevelles, Corvettes, Novas, Camaros, and even trucks. The car is awesome. Our regular stainless steel headers come complete with all. Holley's new Sniper EFI. If someone isn't comfortable with data logging and tuning complex issues with a laptop, they don't need to go anywhere near EFI. They will also fit earlier 289 and 302 engines. View Details & Buy. Next day, car won't start. If you have any other questions about the subject or MSD products you can contact our Customer Support Department at (915) 855-7123 or email. A 600 vacuum secondary, such as this unit (PN 0-80457SA), was used on one of my Chevy 383 small-block budget builds with the intent of making torque and mileage the prime requirements. I tried over and over to make it right checking distributer cap for moisture, checking spark plug wires etc. Then we discovered the engine still had the cold spark plugs in it from the previous year’s dyno test. It has a rear-wheel-drive and is paired to a 10-speed automatic transmission. Today's self-tuning EFI systems (such as the Sniper EFI System, FAST EZ-EFI, and FiTech EFI) are completely dependent on the accurate sensing of air-fuel ratio after each cylinder's combustion. When they were the only ones with this efi kit I could blame everything on them, but now there is holley sniper efi and you know there are going to be more companies producing this style of efi kit. Share - Bosch Upgrade 12 Hole Jeep Cherokee 1999 4. Distributor. I couldn't get the extra 20 feet without returning the entire kit. HTH, Richard. at the best online prices at eBay! Free shipping for many products! Holley Sniper EFI Self-tuning Fuel Injection System Kit 600hp 550-511k (18) $1,259. Sniper EFI on a 5. For my application, it's either me tuning EFI or picking up a 1050 Dominator tuned by Dominic Thumper. Joined: Oct 25, 2015. As you can see in my dyno sheet - one of the pulls it was. Will be getting in touch with TRE tomorrow and Holley - if I have time, work is getting busy. Sniper Ignition Setup with Timing Control: Once you are up and running then press on for timing control. lowblazin94 shorting on the exhaust via a melted boot that was causing a misfire. That’s a lot of information at once, but to help break down the entire system, MSD recommends examining the ignition system process as having a primary side and a secondary side. Pump is dead silent, no heat issues, etc. Sniper efi on my 355, best upgrade ever ! Over the last few months I decided to ditch the carby on my 520hp 300a clammed 355 and go down the Holley sniper efi path and thought I'd share my experience for anyone considering it. "Post & Dros Performance Parts brings Keizer Wheels back to their roots. Sniper efi on my 355, best upgrade ever ! Page 2 of 2 First 1 2. This is an interesting theory because I believe initially I had that function turned off. Eventually it will pull itself out of the bog (generally after I've eased off the throttle a bit) and get back into a usable AFR then pull hard. Eliminate typical carburetor cold starting issues, hesitations, flooding and vapor lock. Holley Sniper EFI Quadrajet Self-Tuning Fuel Injection Systems. Making the decision to move from a carburetor to electronic fuel injection (EFI) for grassroots bracket racing is a big deal, but the parts you actually need really aren't that exotic at all. Hesitation Under Load. Check Rotor Phase while engine is running for best accuracy. The Sniper (like ALL Holley stuff) is set up to be FAT, why because fat is safe lean is death. To read a spark plug, start by checking the color, since an undamaged spark plug will be light grey, or possibly tan. I tried moving the coil, shielding the holley with foil to isolate the problem. View Details & Buy. ) For that $250 you get an inline fuel pump, pre- and post-filters, fuel line with Earl's push-lock fittings, a fuel bulkhead fitting for the return line, as well as assorted clamps and mounting hardware. 0® Self Tuning Engine Control System - Carb-To-EFI Master Kit (In-Tank Pump) Holley, MSD, etc do there own versions Bang for your buck vs replacing the how top end and or with a complete EFI engine. jonweisw · Registered. To start viewing messages, select the forum that you want to visit from the selection below. Yellow Bullet Forums Since 2005 A forum community dedicated to drag racing drivers and enthusiasts. FIC 1450 CC All Fuel Performance Injector for Hemi. A 600 vacuum secondary, such as this unit (PN 0-80457SA), was used on one of my Chevy 383 small-block budget builds with the intent of making torque and mileage the prime requirements. Holley Idle Speed Adjustment Instructions: Once the engine is up to operating temperature, the idle speed can be set to what was configured in the Wizard. By David Chick June 18, Now at Step 9, Matt performs key-on-engine-running and glow plug tests. Buy JEGS 40105 at JEGS: JEGS High Energy Ignition Coil Red. Meanwhile. Sitting at the airport due to delayed flights gives one lots of time to think about car projects. 0 Shorty Headers Ceramic with O2 fittings (pair) These headers were specifically designed for Wild Horses to fit 66-77 Broncos with late model 5. Hands-on, interactive training for High Performance EFI Tuning, Engine Building, Turbocharging and Wiring. I finally got my flathead running again. Yep, too far advanced. Click the left and right arrow buttons to scroll through the views. Starts right up and idles at 800rpm when warm. I hope this makes sense. Holley Introduces Sniper EFI Super Stealth 4150 Fuel Injection New Holley EFI Options For Traditional And Modern Hot Rodders Cometic Introduces Toyota 5. My tune is coincidentally set at 11. This Bosch EV14-based injector is the highest flowing. Holley Sniper EFI 850001 Fuel Rail Kit - Sniper EFI Manifold GM LS1/LS2/LS6 V8 4 out of 5 stars 4 product ratings 4 product ratings - Holley Sniper EFI 850001 Fuel Rail Kit - Sniper EFI Manifold GM LS1/LS2/LS6 V8. Misfire help I have a 69 with a 302, nv3550, Mallory Unilite, Holley Sniper and 488’s turning 35’s. It was used in many Ford trucks and passenger cars. From time to time we receive phone calls from individuals who are interested in converting. Further testing has provided more information, clarify. Put in on, and about a week later my truck is misfiring, pull the code, multiple cylinder misfire! I pull the intake and sure enough, there's puddles of fuel, and the fuel pressure regulator is dripping! Holley Sniper EFI Self-tuning Fuel Injection System Kit 600hp 550-511k (15) 1955 1956 Chevy Belair LS EFI Fuel Injection Gas Tank FI. The long term goal is a stout 331 (I pulled a 2001. From the tank, there is a feed line that runs through the fuel filter and up to the fuel rails, which supplies the injectors with fuel. After running a Robb MC surge tank (great setup - just need to switch it up to be NHRA legal) for 3 years, I've decided to go to an inline high pressure pump for my Holley Sniper EFI on my 351. Once upon a time an engine needed three things to run: fuel, air, and fire. If you're new to the nitrous game we recommend starting with a small (50-125-horsepower) shot, and get the timing to 10* (with EFI). The administrator has banned your IP address. I recently installed a Holley Sniper (similar to Fitech) in a friends car. '85 S10 Blazer -- 350 Vortec w-220/227, Sniper EFI, 700r4/3. 520-inch lift and 230/236 degrees of duration. Ideally get the rotor tip leading edge right on the front side of the terminal in the cap while watching it with a timing light. Yellow Bullet Forums Since 2005 A forum community dedicated to drag racing drivers and enthusiasts. One of the more popular ignition upgrades on both modern and classic muscle cars is the ignition coil. Holley Sniper 837031 - Holley Sniper EFI Fabricated Intakes Compare Intake Manifold, Fabricated, 92mm Throttle Body, Low Profile, Silver, Holley Sniper Logo, Gen III Hemi, Kit. I have a 502cid 10. The car has a very mild 351C 2V with and Edlebrock Performer, and a 700 Holley double pumper carb. Lowest Price Guarantee. I couldn't get the extra 20 feet without returning the entire kit. The engine in our first series of tests was this 468ci big-block with Holley Sniper EFI, ported iron 049 oval heads, 10. There were several articles about IAT's when pro stock switched from carbs to efi. To contact the administrator click here. This doesn't mean we cannot use high-tech devices to help us with the tuning effort. Buy a 1976 Chevrolet Nova Ignition Distributor at discount prices. The engine is a turbocharged 363 custom small block Ford. I will have to post some pics and videos. Holley Sniper EFI 550-870 Stealth 4150 EFI Conversion Kit - Shiny Finish See more like this Holley Sniper 550-510K EFI 4150 4-Barrel Self-Tuning Master Kit Free FAST Shipping, Free Returns, Expert Tech Support. If this is your first visit, be sure to check out the FAQ by clicking the link above. Then we discovered the engine still had the cold spark plugs in it from the previous year’s dyno test. Holley DOMINATOR flange 02002NOS (A,B,C) Cheater™ systems include a 10 lb. I hope this makes sense. Sniper misfiring & extremely weak under load. To bring the Sniper to life a user just needs to follow the installation instructions, but they also need to make sure their vehicles fuel system and ignition system are right for EFI. Re: 20/22r with Holley 350 2bl « Reply #18 on: Feb 23, 2017, 08:40:05 AM » Subbed to this because I have a Motorcraft 2100 I'm intending to put on my 22R, which from what I understand is similar to a Holley 2 barrel. Edelbrock Performer RPM Intake and the gasket that came with the Sniper EFI kit. The Sniper or FItech will follow the engine to the next destination. 95 New---- Used; 61-64 Chevy Impala LS EFI Fuel Injection Gas. Brand SKU#: Replacement REPM311901 Location: Upper Notes: Includes redesigned intake manifold plenum with reinforced aluminum crossover. The Holley Sniper EFI Self-Tuning Kit will require the use of an electric high-pressure fuel pump, this kit will NOT work with a mechanical fuel pump. By the way. You will need to measure your available clearance including any air cleaner, spacer and gasket height. Checked/done the following since discovering the misfire: - replaced all the plugs - checked the spark plug wires - scoped cylinder, everything looks fine - changed distributor cap - reset the Holley Sniper EFI - have compression. It was used in many Ford trucks and passenger cars. Free shipping. Put in on, and about a week later my truck is misfiring, pull the code, multiple cylinder misfire! I pull the intake and sure enough, there's puddles of fuel, and the fuel pressure regulator is dripping! Holley Sniper EFI Self-tuning Fuel Injection System Kit 600hp 550-511k (15) 1955 1956 Chevy Belair LS EFI Fuel Injection Gas Tank FI. Sold individually (33) Assembly (8) Shop Buick Special Distributor. I have the ez efi 2. The administrator has banned your IP address. The beautiful thing about the Dominator EFI is that the fuel map is presented in a format that allows you to use logic to determine if the fuel map looks proper. Whether it's replacing the single coil mounted separate to the distributor, the HEI coil, a coil pack, or a coil over plug, we've proven on more than one occasion that coil upgrades do provide performance benefits including incre ased power you can see on the dyno. These full-featured throttle bodies are easy to install, can support a lot of horsepower, and will keep your budget intact. Pete's Garage 42,034 views. Motion Raceworks Official 6,272 views. The engine idled decently and sounded good. Narrow Your Results By Vehicle: Recent Vehicles. 55 rear, 31" tires, NP-435, EFI manifolds, a 600cfm Holley carb, and the stock DSII ignition. Car would idle fine. Come join the discussion about racing, builds, pro mods, hot rods, events, turbos, nitrous, superchargers, and more!. 0 A/F ratio. The Holley EFI twin 4500 Sniper's performed flawlessly and make absolutely KILLER power that can also be tuned down the track per-gear and correct the problems typically associated with carburetors. Classic Industries offers a wide selection of 1979 Pontiac Firebird parts, including 1979 Pontiac Firebird interior parts and soft trim, 1979 Pontiac Firebird exterior sheet metal, 1979 Pontiac Firebird moldings, 1979 Pontiac Firebird emblems, 1979 Pontiac Firebird weatherstrip and unique accessories, to nearly every nut and bolt needed for installation. Write a review. Sold individually (37) Assembly (6) Shop Plymouth Sapporo Distributor. To do this, open up the Initial Startup gauge screen that was used in section 17. They will also fit earlier 289 and 302 engines. On the 302, some marginal gains were seen with a. That rubbing can cause burns or friction scoring on the side of the piston. 0l Ev6 Fuel Injector Set 6 24lb. 55 rear, 31" tires, NP-435, EFI manifolds, a 600cfm Holley carb, and the stock DSII ignition. In this video I install a Holley Super Sniper EFI system on my #FairmontProject. We recently added Holley’s Sniper EFI to a 468ci big-block Chevy, and while it seemed to idle well, we used an EMS 5-gas exhaust gas analyzer to help us dial in the timing and fuel. Here's the rule of thumb: Most widely available fuel used in most automotive engines results in a brake-specific-fuel-consumption (BSFC) of roughly 0. besides the slight hesitation and bogs and what not i was able to dial it in pretty darn good with the AFR settings and accel fuel settings. Holley Dominator EFI questions; EFI 5. The fuel pressure is remaining constant through out, input to the sniper when the pump is running is about 75 psi. If its EFI, and has a bunch of cold starts on it with no, or very little drive time. Buy a 1976 Chevrolet Nova Ignition Distributor at discount prices. Last Post: Engine starts and then dies, restarts and then dies. I built the notch to temp. Take 2: Engine Building Part 13 - Installing, Troubleshoot, & Setting Up a Holley Sniper EFI System - Duration: 24:44. Modern EFI engines still need these three elements, but they use. Diagnose electrical problems by chasing voltage drops, instead of the old-fashioned way -- checking continuity. When a spark plug becomes fouled for any reason, the spark plug will fail to fire and ignite the air/fuel mixture. or if you do laptop its a little faster. MSDPERFORMANCE. FPR in the Sniper is new it was replaced once already by Holley. Joined: Oct 25, 2015. When accelerating it goes away. Holley Introduces Sniper EFI Super Stealth 4150 Fuel Injection New Holley EFI Options For Traditional And Modern Hot Rodders Cometic Introduces Toyota 5. Post & Dros Performance Parts B. FAST is the leading developer of electronic fuel injection systems, EFI components, intake manifolds, tuning tools for high performance and street applications Fuel Air Spark Technology JavaScript seems to be disabled in your browser. Loading Unsubscribe from Justin Ferrall? Bronco Holley Sniper EFI Self-Tuning Kit Shiny Finish Installation - Duration: 35:59. Holley EFI Spark Plug Wires. Equivalence factor. I'm going to do an EFI conversion on my 67 Mustang. Tuning EFI Systems on a Chassis Dyno. On the 302, some marginal gains were seen with a. Buy a 1969 Chevrolet C10 Pickup Ignition Distributor at discount prices. I have a 502cid 10. For 1965-1968 Mustang applications we recommend using P/N: FTKEFI1 and for 1969-1970 Mustang applications we recommend using part FTKEFI2. A four-wheel-drive setup will cost buyers an additional $3,000 charge on all trim levels except for the off-road-oriented AT4, which is available with. Hmmm - got me. It draws its energy directly from the battery where a custom wound transformer steps it up to over 460 volts. The Great Spark Plug Debate The Pub. Just thought i would see if anyone has had any experience with the Holley HP EFI system. Tried the ground at the battery and chassis. We provide incredibly reasonable prices on quality parts. But you're wrong in that I've never used a TBI - I have built and tuned one. Loading Price Use the form above to tell us what you. A forum community dedicated to Ford Mustang owners and enthusiasts. Sometimes if there are outside problems such as bad misfires, exhaust leaks, or any other situation that could cause poor readings on the O2 sensor, the system will try to. 9 liters or 301. Buy a 1976 Chevrolet Nova Ignition Distributor at discount prices. Holley Idle Speed Adjustment Instructions: Once the engine is up to operating temperature, the idle speed can be set to what was configured in the Wizard. FAST is the leading developer of electronic fuel injection systems, EFI components, intake manifolds, tuning tools for high performance and street applications Fuel Air Spark Technology JavaScript seems to be disabled in your browser. View Details & Buy. Universal (38) Condition. EFI University, Lake Havasu City, Arizona. Volkswagen & Audi. Sold individually (33) Assembly (7) Shop Lexus SC300 Distributor. Sniper Self Learning System: The Holley Sniper self learning system is a great setup that has been through extensive testing and is regarded as one of the better set ups for the. For example: The point’s driver on the EFI unit sends a ground signal to the Ignition. Open Loop o2? How to tune and set these parameters. The FordSix Performance Forum - The First Place For Your Six! A discussion board dedicated to the Ford Six Cylinder Engine. I've always built my own. it was not a big deal for me because i had a second line and a port arleady in the tank,but i did have to spend an extra 158. Installed new Wildhorses ceramic shorty headers and new valve covers on stock 302, now cylinder 7 is misfiring. Checked/done the following since discovering the misfire: - replaced all the plugs - checked the spark plug wires - scoped cylinder, everything looks fine - changed distributor cap - reset the Holley Sniper EFI - have compression. Holley Sniper EFI 550-528 4150 2x4 Dual Quad Fuel Injection Conversion Kit Black See more like this. Rough idle & IAC all over the place. Chevy Chevy II 4. Get the best deals on Intake Manifolds for 2010 Dodge Charger when you shop the largest online selection at Holley Sniper EFI 837031 Sniper EFI Sheet Metal. The setup is currently not controlling timing, running only a mechanical advance distributor. You may have to register before you can post: click the register link above to proceed. Once upon a time an engine needed three things to run: fuel, air, and fire. Re: HOLLEY SNIPER EFI PROBLEM running Timing Control It almost sounds like it's picking up some random "noise" through the system which is causing the CPU to reboot. Designed for use with breaker point (1. But few recognize the serious problems that dirty fuel injectors, fouled plugs, and crud-covered O2 sensors create for EFI Systems. Tried the ground at the battery and chassis. Holley sniper efi Tips on setting the Idle air control setting % between 0&5% - Duration: 2:48. Since 1938, Edelbrock has manufactured its core products in the USA for quality & performance. Re: Anyone here successfully running an aftermarket EFI System, Megasquirt, Holley Hp, Sniper, Atomic, FITech? Post by E1ghtTrack » Mon Aug 26, 2019 12:32 am I am running a Holley sniper 2300 on my 200 3. The fuel pressure is remaining constant through out, input to the sniper when the pump is running is about 75 psi. MPFI Conversion – Holley Stealth Ram system is on order. Loading Price Use the form above to tell us what you drive. It draws its energy directly from the battery where a custom wound transformer steps it up to over 460 volts. > Unrestricted Tunnel Ram Air Flow capacity (The tunnel ram alone can add 20-40 HP) > Response is instant at low or high rpm. This is the highest HP/Cubic Inch engine ever to come out of our shop and the fact that it’s EFI controlled makes it even better! The Holley EFI twin 4500 Sniper’s performed flawlessly and make absolutely KILLER power that can also be tuned down the track per-gear and correct the problems typically associated with carburetors. 0 A/F ratio to get it smooth. Sniper efi on my 355, best upgrade ever ! Over the last few months I decided to ditch the carby on my 520hp 300a clammed 355 and go down the Holley sniper efi path and thought I’d share my experience for anyone considering it. Now, Holley EFI products power these cars and are dominating the performance world. Holley’s new Sniper EFI fuel pump conversion makes a great upgrade for classic Chevelles, Corvettes, Novas, Camaros, and even trucks. setup, I'm interested in what the best material to use for fuel line and the approximate length of line required. How do you go about choosing the correct one? I went to the local parts store and got one that was for a 350(so I was told) I get everything hooked up and now it runs like it has a bad vacuum leak. Brand SKU#: Replacement REPM311901 Location: Upper Notes: Includes redesigned intake manifold plenum with reinforced aluminum crossover. Sometimes the vibration in the engine can be felt while driving. It's using the factory sending unit and injection style filter screen with a 3/8" metal line I welded into the original pickup in place of the factory 5/16" return line. The right side o2 was obviously reporting a fat 10. The car has a very mild 351C 2V with and Edlebrock Performer, and a 700 Holley double pumper carb. 4:1 static compression, and a healthy Comp 286 hydraulic roller camshaft with 0. Tips For Tuning Aftermarket EFI Systems. To start viewing messages, select the forum that you want to visit from the. 5 combo for Robbie Blankenship? That’ll work!. We recently added Holley's Sniper EFI to a 468ci big-block Chevy, and while it seemed to idle well, we used an EMS 5-gas exhaust gas analyzer to help us dial in the timing and fuel. A hesitation, stumble or misfire that occurs when the engine is under load can be caused by a faulty power valve inside the carburetor. We recently installed a Holley Sniper system on a big-block Chevrolet. Checked/done the following since discovering the misfire: - replaced all the plugs - checked the spark plug wires - scoped cylinder, everything looks fine - changed distributor cap - reset the Holley Sniper EFI - have compression. 0 fuel injected engines. The engine idled decently and sounded good. Get the best deal for a 1994 Volkswagen Golf Distributor. 050” on some Holley EFI 4500 Sniper throttle bodies on this 400” Small Block Ford NMCA N/A 10. On the engine dyno with a carburetor this engine made 525 horsepower and 580 lb-ft of torque. Year 2020 2019 2018 2017 2016 2015 2014. Bronco Holley Sniper EFI Self-Tuning Kit Shiny Finish Installation - Duration: 35:59. It's using the factory sending unit and injection style filter screen with a 3/8" metal line I welded into the original pickup in place of the factory 5/16" return line. The general rule is you do not need to press on the gas when starting a car with a fuel injected car, the startup routine set by the ECU is to first prime the pump and fuel lines and then as you turn the key (or press the start button) the starter. Holley Sniper EFI Hyperspark (19) Holley EFI (11) MSD Crank Trigger (5) A1 Random or Multiple Cylinder Misfire Detected The last number in these accompanying. NOS 05177NOS Automobile Parts pdf manual download. Two powertrain management systems from Holley that offer plug and play control for most LS engines starting at just $999. Topics: 384 Posts: 1,971. Random or Multiple Cylinder Misfire Detected The last number in these accompanying codes refers. Volkswagen & Audi. These are the best choice for low-end torque and horse power. 0® Self Tuning Engine Control System - Carb-To-EFI Master Kit (In-Tank Pump) Holley, MSD, etc do there own versions Bang for your buck vs replacing the how top end and or with a complete EFI engine. Brand: Holley. Free FAST Shipping, Free Returns, Expert Tech Support. setup, I'm interested in what the best material to use for fuel line and the approximate length of line required. Self-Tune Showdown: FiTech Vs. Sniper misfiring & extremely weak under load. Why settle for a junkyard ECU with a cumbersome aftermarket tuning interface when you can get complete control of your engine, self-learning fuel strategies and the proven,. Pete's Garage 42,034 views. Holley Sniper EFI 550-870 Stealth 4150 EFI Conversion Kit - Shiny Finish See more like this Holley Sniper 550-510K EFI 4150 4-Barrel Self-Tuning Master Kit Free FAST Shipping, Free Returns, Expert Tech Support. I've got a holley 600 vac secondary on my 355, it's got ported sportsman II's, a hot cam, single plane weiand, and true duals I've got a holley red pump and regulator, set to 5 1/2 psi. I learned then that the AFR of free air should be about 20. It wasn't until they came out with the Holley Sniper and Terminator Systems that they broke into the modern EFI system race and had a product that was obtainable. PTFE line etc. Before replacement I was experiencing an occasional Cylinder 1 misfire and a very rough idle, likely due to an injector issue. The Minnesota Toyx4’s, the brain child of a few Toyota pickup lovers in the late 80’s, was once the nation’s largest Toyota mini-truck off-road club lead out of the Minneapolis/St. Holley Sniper EFI HyperSpark Ignition System. Holley's new Sniper EFI. The Turbo Forums - The discussion board for both hard core and beginner turbocharged vehicle enthusiasts. - Fuel pressure has been verified at the Sniper EFI throttle body and is between 55 & 65 psi - All wiring has been tied away from potential hazards such as the exhaust, fans, pulleys, spark plug wires, 12 Volt accessory wires, the ignition coil and ignition coil wiring. Modern EFI engines still need these three elements, but they use. Open Loop o2? How to tune and set these parameters.
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