Holley Sniper Efi Misfire - What 7 Analyst Ratings Have To Say About Holley.

, striking reputed mafia boss Aslan Usoyan in the head as he walked out of the high-end. When cranking at 80°F the Sniper is cranking at 34. I have an original style coil, so I used the Non-Timing. A simple list of problems in no particular order: 1) If the cold engine CTS value is 10 or more degrees higher than the MAT the CTS sensor is bad and the engine will not get correct temperature enrichment. 5 psi of fuel pressure and use a 40 micron filter. The 5-inch digital touch screen display is pre-loaded with 3 easy to read layouts that provide critical system information, such as Throttle Position, Manifold Air Pressure, Air Fuel Ratio, …. I found a drop base that clears the Sniper linkages and hoses, but the air cleaner lid bulges up and will surely not clear the hood with a 14x3 filter element. The system includes two ground inputs, one TPS output (0-5v), and one …. Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. I tried first by download the Config File to the SD card, altering the setting on my computer using the Sniper EFI software, then uploading it back to the ECU. QuadraJet Sniper, HyperSpark distributor & CDI box. Sniper EFI has also announced two new drop-in muscle car fuel pump modules for a single fuel line connection install. This Sniper EFI in-tank fuel pump module is a high-pressure unit that flows 255 liters per hour (LPH) and is capable of supporting electronic fuel injection (EFI) engines producing up to 550 horsepower. Sequential EFI injects the total amount of fuel (lb/hr - PW), once for each combustion cycle (4-stroke engine). Learn about the fuel system parts, the carburetor mounting flange, the supercharger or turbocharger options, and more. automatic transmission Transmission Control Sniper 2 Transmission Control Kit. Before doing anything drastic you need to sort out your tune. Doing this in Windows File Manager will …. Glistening icicles hanging from gutters and eaves look beautiful, but they can be destructive. Discover how the SNIPER sales strategy can help you close far more deals. will open: the new 35-gate facility at New Orleans Louis Armstrong International Airport. You have a lot of odd throttle movements, especially when letting off the throttle. As I'm sure most people here know, EFI plus no RPM equals no start. I have a buddy trying to update the FW on a Sniper, and he's getting a Searching For ECU message on the 3. Sniper EFI - V1 SD Card Contents. I installed a Sniper returnless system, also new EFI capable fuel tank with in-tank pump, all new 3/8" hard line from tank to Sniper. Next, the new unit was installed onto the manifold. 6) Problem always occurs when reducing RPM after throttle input. Sniper EFI misfire under load acceleration. I have a Sniper EFI 510-550-511 installed along with the HyperSpark Ignition, HyperSpark Coil, and HyperSpark Distributor. the bundt cake near me Fuel injection can be daunting after a life of tuning carburetors, but Sniper EFI is arguably one of the simplest to install systems available on the market. Also in Plumbing AN Fittings and Hose. Connect the main battery ground to the stock location on the alternator bracket with a star washer and make sure the surface is clean. Sometimes dies or stalls and catches itself. , having a wedding takes far less cash than buying a home. Tuning a 2300 Holley Carburetor is a straightforward process thanks to Holley's simple design and exterior tuning capability, meaning the carburetor may be adjusted on the fly whil. EMI/RFI will create flashing No Data screens, but it won't shut the unit down and the resets are momentary. Digital Dash comes out of the box, ready to plug-and-play with your Sniper EFI installation. To reset the holley sniper efi system, first, disconnect the battery’s negative terminal. ECU, dash, and handheld firmware are included. Estate planning is taking on an entire new meaning in the digital eraFB Estate planning is taking on an entire new meaning in the digital era. Replacement Throttle Position Sensor (TPS) for Sniper 85/90/92/102mm Throttle Bodies used on Sniper EFI Fabricated Manifolds for GM LS1/LS2/LS3/LS6/LS7. The setup ran great and was tuned perfect. I have a 383 stroker in a '69 Camaro. I went through the diagnostic test with a tech over the phone. This TT arrived with a misfire. Dynatech long tube headers with 3" Dynatech exhaust. Sniper 2 EFI 5-inch Digital Dash. Each tank is a direct fit for your application-no modifications necessary. Jan 21, 2024 · An unstable AFR reading causes the Sniper to chase it and potentially overcompensate. Holley EFI; Sniper EFI; If this is your first visit, One thing that may be happening is that you're running rich and you are getting a misfire. If you are using your Sniper EFI System to control timing, navigate to Tuning > Advanced > Advanced Idle > Idle Spark and ensure that the Idle Spark Enabled is set …. Learn how to check for potential problems with Holley EFI systems, such as fuel pressure, injector pulse, and spark output. Verify that your timing is 15°. Machine shop thinks it's the Holley Sniper causing the issues, so here I am. 6' of 3/8" black braided split wire loom has also been included to keep the …. Dies more or less right after the initial high RPM ramp drops down. Tech Spotlight: How Sniper 2 Is Taking Plug-And-Play EFI To The Next Level. I need some help troubleshooting a problem. This manifold comes with a 95MM LS throttle body flange top. ms pacman video face split Designed to replace sending units in factory fuel tanks, the Sniper "Muscle Car EFI Module" slips a 255 LPH fuel pump inside to deliver reliable and quiet fuel delivery. Then you select the 58x crank & 4x cam sensor options (for your setup). For the in-tank pumps that have the regulator and return in the tank, the Sniper will benefit greatly from a pulsation damper near the throttle body. External pumps are loud and often …. It was working earlier, but it's since stopped working. Top 10 Sniper EFI Installation Tips from Holley's Tom Kise. If you unit is shutting down and then you have to wait to restart then you're probably on the right track with CPU heat. More photos from this reportage are featured in Quartz’s new book The Objects that Power the Global Economy. I followed the Holley video as well as the provided instructions. When an engine returns to idle, the IAC will decay from this value until the idle speed returns to target. I have a Holley Sniper 4150 and yesterday I read something about updating the ECU firmware on the Holley. OK, so I found a local tuner with a dyno, but the tuning showed little or no impact to my misfire/backfire/popping until: After trying to shield the Sniper and HyperSpark box, disconnecting the alternator, etc. I have attached my latest Config File and datalog from this morning. Holley Sniper EFI is a perfect match for any. 7, and have noticed that this miss is less present when running the. Please post technical discussion regarding product in the user discussion spaces in the brand areas. The connections are clearly labeled on the cover and easily made with positive, slip-in fittings. When the TPS, in your case, hangs at 2% or higher, then focus on the front shaft. Dominator ECU, MPFI, 48 lb/hr injectors, CTSV DBW TB, Dual Sync distributor. If I swap injectors the problem does not move along with the injector. Strange System Log crank position captured during misfire event. I'd replace the connectors rather than wait five weeks. Expert Advice On Improving Your Home Videos. There have been reports of others that the Sniper goes wonky at high temperatures, especially if there isn't an insulating spacer between the Sniper and the manifold, and also if the Sniper is encased inside a dropped air cleaner base. If your engine continues to run even when the ignition is turned Off you are experiencing engine Run-On. For some couples, it’s a lavish house or boat. They are engineered using Holley fuel pumps, regulators and filters coupled with quality Earl's plumbing to provide a fuel system tailored to the needs of your EFI System. You become the ECU control of the fuel pump. Ive tuned a few cars with the holley software and never run into this, so I though Id pick your brains to put mine at ease. Then turn the key to engage the starter. Make the switch and enjoy all the …. craftsman scroll saw parts Page 1 • 2 Injector Sniper EFI (550-849 Shiny, 550-850 Black, & 550-851 Gold) • 4 Injector 2300 Super Sniper EFI (550-852 Shiny, 550-853 Black, & 550-854 Gold) ; Page 2 Failure of any one component does not constitute, nor does it justify, warranty of the complete system. government chapter 4 quizlet Sniper 2 EFI System, Black, w/ Return-Style In-Tank Fuel Pump Kit (No PDM) 550-511-3XK. Found out that it was due to rfi/emi. It starts with dying at idle coming off deceleration in gear, and eventually …. Sniper EFI software was designed to make navigation simple and easy. 5 or leaner and feels almost like a rev limiter. Rewired everything three times now, every power wire is separated from signal wires and is wrapped in Faraday tape or in tinned copper metal braid sleeves with grounding leads, no change. Compression & leak-down are excellent, seems to make all the power it should, but has always wanted to pop out the exhaust at idle and overall idle rough. Using the Holley Sniper EFI software (LINK), look at where the live cursor moves to during this occurrence, and. This Quickfuel 1/2-inch Square-Bore 4-Hole Phenolic Spacer might be an adequate solution if you have the hood clearance available. The Sniper unit won't directly bolt onto the Go Devil's manifold. Using the Holley Sniper EFI software (LINK), look at where the live cursor moves to during this occurrence, and manually tune that area of the Base Fuel Table (enrich or lean) & Base Timing Table (optimize ignition timing). An included GPS antenna measures accurate vehicle speed. • Learn Table & injector Duty Cycle % are good troubleshooting tools. Sniper Scopes - Sniper scopes are specialized telescopes which amplify an image from great distances. The spark that Hyperspark CD box can …. EFI needs a really good spark to work optimally. Simply install the injector, select the desired starting by-pass jet and go out and race. If you can find the install files you can install version 1. Say good-bye to the troublesome LT1 optispark ignition system and enjoy the reliability of the LS ignition system. For Sniper, Holley specifies 3/8" ID fuel line. The most common cause of this problem is a blown fuse on the large red wire leading to the battery or an improper connection at the battery. Performer RPM heads & intake, mild cam, Stealth Terminator EFI, MSD 8590 billet distributor mechanical advance, 6AL box TFI Blaster coil, 8. I have a '66 Ford Mustang with a 347 and a 5-speed manual transmission. When engine is idling now there's a vacuum sound by the rear of the throttle body. What Does a Sniper Really Do? - A sniper is a highly trained soldier who specializes in shooting targets with modified rifles from incredibly long distances. These connectors are keyed, however the Purple wires should plug an ignition misfire. Has suddenly started backfiring through the exhaust at around 2000 RPM & above, and running so rich it burns your eyes in the garage. Sniper EFI Holley Sniper EFI 4150 2x4 Super Sniper. Oct 31, 2018 · 1985 Ford Bronco. The car starts fine and will operate just great, until it gets hot then the fuel pressure suddenly drops from 58 psi to zero. separate ECU=HP EFI : attached ECU=Sniper Ford 302, Holley Terminator EFI, T5z, 3. Two versions of Sniper EFI Dual Quad are available combinations, Sniper EFI 2x4 is available for naturally-aspirated engines. This product features a hall effect crank trigger sensor, a billet housing, and a plug and play connector. Holley’s Sniper EFI systems bring fuel injection to the masses with carburetor-replacement systems that are designed to have all the benefits of electronic fuel injection without breaking your bank. About six months ago, I started having intermittent misfire issues. I plan to add heat shielding to keep the exhaust manifold from overheating the computer which is inconveniently located inside the Sniper housing. A great option for converting a carbureted car to EFI is to use a Holley Sniper EFI Conversion Fuel tank. 5) Car consistently idles correctly after a key cycle. This fixed the high throttle position sensor reading (TPS) of above 1% that likely caused my idle issues. The suggested settings will give you about 20 degrees of timing at idle which is pretty consistent with an older distributor setup with vacuum advance connected to the full vacuum port. But the YouTube channel Turn N Burn decided to adapt a Sniper EFI Autolite 1100 to their "Submarine" Jeep. I mean it's over 20 times per second it's making changes to the Target AFR. Aug 11, 2017 · This is why most OEM EFI pumps are in the tank. 623" lift/114° LSA H/R camshaft, TFS R-Series …. Not the picture of efficiency when new. Holley's Super Sniper EFI 650 is the #1 way to convert your blow-through carbureted turbo engine to fuel injection with just 4 simple connections required. So I recently purchased a '73 FJ40 with an F155 and a Sniper 2300. DISCOUNT CODE: YOUTUBETOP10Want to Learn How To TUNE Holley Efi, Terminator X, and Sniper? https://www. Instagram: @projectgattago Offering remote Holley EFI tuning. Terminator X V2; Terminator X V2 Production Software (V2 Build 50) Terminator X V2. Serious race engines with radical camshafts will need to idle at 900-1000+ RPM, due to the camshaft's tight LSA which causes a high overlap. GM HEI Small Cap, remote coil, with computer controlled ICM, Holley 36 lb injectors, 43 PSI fuel pressure, etc. Light acceleration, like slowly pulling away from a light, even when in park applying TPS, I get a lean spike in the 15-22 AFR range, and it …. Also download the GCF tune file from the Sniper and upload both the tune and the datalog to this site. 050" 112° LSA, Super Victor EFI, 10. Sniper Stealth 4500 EFI Sniper EFI Videos Sniper EFI Tech. I’ve got a 350 SBC with a Holley Sniper system in my 80 series Land Cruiser. It was more rare than not, so I didn't do much with it. Featuring 8 100LB/HR Fuel Injectors this kit is the perfect option for any build looking to make between 800-1500HP. Timing: Set to 15° BTDC, confirmed with the handheld Static Timing Set to the same. as well as New Zealand, offering an expanded slate of features meant to appeal to Twitter’s mos. I read that the 10-pin A Orange wire is just a momentary idle bump up and then the IAC …. The Holley Sniper Stealth 4150 Self-Tuning Fuel Injection System has a base price of $1#,299. Holley EFI 12-878 Holley EFI Replacement Regulator Kit. Wondering if it's a bad WBO2 sensor or stuck injector. Odd EFI quirks for the odd-fire V-6. Even checked using the Holley's "static timing" feature that eliminates any ECU induced spark timing fluctuations. The #1 EFI conversion system just got better! Introducing Sniper 2 EFI - a self-tuning, easy-to-install, EFI conversion for common 4-barrel (4150 flange) style carburetors. 4) Cycled the key with the IAC motor unplugged during high idle condition and the high idle condition continues when cranked back with the IAC motor unplugged. Oct 4, 2020 · Holley EFI; Sniper EFI; If this is your first visit, be sure to check out the FAQ by clicking the link above. troodon otf HyperSpark Ignition for Sniper EFI. From Aeromotive : (FAQs - EFI Fuel Pressure Regulators): "Be careful using a factory OEM …. “And from the time that the Sniper 4500 was released, we’ve received a lot of feedback from people who love that system, but also need a higher level feature set. Second, make sure the fuel lines are unobstructed and …. If you look at the first 0-10 seconds of the datalog, the Target AFR (not actual AFR) is fluctuating like crazy between 14. Kevin Ruth, head of wealth planni. But you can't see these 3 pressures on the handheld or on the Holley EFI gauges. Supports up to 650HP naturally …. If you get the Hyperspark Distributor, Ignition Box, and coil it's all plug and play. The EFI (laptop/PC) software, ECU firmware & touchscreen unit must all be version compatible ( LINK ). Holley Sniper EFI HOLLEY SNIPER EFI FUEL PRESSURE REGULATOR KIT (0 reviews) $ 65. Trying to hook up a switch to the Sniper to activate the transmission kickdown. Holley Sniper EFI 4150 Dual Quads. Sniper shots from a silenced rifle ripped through the Moscow air Jan. Sniper EFI Software/Installer v1. A leak/smoke test may be required. It has a Pro-Billet distributor, 6AL and the Sniper. 1:1 compression, P&P head with enlarged valves, high flow exhaust. Not only is it a great time to replace your crusty old fuel tank, but Sniper EFI Conversion Fuel Tanks incorporate OEM-style fuel sending units so you don't sacrifice your fuel gauge. Flip how to diagnose basic terminator x issues. Disconnect the MSD White wire from the distributor points or the ignition amplifier. In this video, we walk you through choosing. is one of the most educated countries in the world, it doesn’t provide the same quality elementary school or seco. 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. Usually at mid throttle or taking off from a stop. Car: 1968 Camaro SS, 454 GM crate engine (bored. com/ ---- Cick Here!tune the trilo. Holley EFI actually makes excellent fuel pressure regulators. Until it decides to high idle again. Follow these steps: Prepare: Remove the spark plugs and rotate the engine via the crank bolt until the crankshaft reaches Top Dead Center (TDC) on the number one cylinder. Idle is set to 770 RPM with 6% IAC Position. The AFR on the screen is normal, but the stench of fuel and the whole eye burning thing seems to indicate …. I was driving 50-60 miles per day with little to no issues. Affordable aftermarket fuel injection is here and it couldn't be any easier to install on your vehicle. Holley Sniper TBI & HyperSpark Ignition kit installed. seiko clock vintage Idle being a little higher than normal. The Sniper EFI fuel pressure should be 58-60 psi ( LINK) at all times. 470" forged steel crankshaft & H-beam rods, Wiseco 4. Install your own ground pin and wire that comes from the battery that can be interrupted by a simple normally open switch. Hard Misfire Under Boost 04-13-2015, 05:07 PM. To prevent making changes to this tune, make a copy of this global folder, which is specific to your. At the indicated temperature the idle speed should be 950 RPM, but the engine speed is 530 RPM according to the datalog. It’s perfect for any vehicle that came standard with a Holley 2300 Carburetor Flange. We have many Sniper options for builds going from mild to wild. Holley Sniper hesitation/bog on sharp accel. Holley EFI fuel kits are the perfect addition to your Sniper EFI or Holley EFI kit. Basically you need to select "Custom" Ignition Parameters. Learn more about the installation and benefits of this distributor by reading the Holley …. 030" over, Trick Flow heads, and Holley Sniper with HyperSpark ignition. Supplied with a quality cap and rotor, the Mallory Unilite also provides a fully adjustable mechanical advance to dial in the perfect timing curve for …. I wanting to put the holley sniper on my 96 5. Nitrous Blowdown Hoses and Tubes. la da dee la da da tik tok I tried the search, but nothing showed up. PURCHASE WILL NOT INCREASE ODDS OF WINNING. The issue is the car will randomly cut out or stall. Each time the wire is pulled away from ground a spark should jump from the coil wire to ground. This is a BluePrint crate engine (390 HP Ford 302/306) which came with Holley Sniper installed. If spark is present, the ignition is working properly. Three part numbers cover a complete range of applications - all Sniper EFI systems, Sniper 2 EFI specific (M8 CAN connection), or a full standalone unit. You can only view the 3 additional inputs on the Digital Dash. During wide open throttle operations with the RPM range between approximately 3000 & 4000, the engine appears to be missing. This is my third kit, but it's the first time I'm having an issue like this. Using Sniper and HyperSpark box and distributor. This harness includes the Switched 12v Power Wire, Main Battery Power and Ground, Fuel Pump Relay, Coil - Input wire, and Magnetic Distributor Input wires. I'm having trouble with a customer vehicle. Overnight, a On Wednesday, the n. If you can do it safely, connect a hose to the outlet of the Sniper at the regulator (passenger side rear port) and trigger the ignition switch to start the pump. The unburnt fuel & air will make it also spike the AFR gauge. Under partial load it gives what seems to be a very intermittent misfire. I attached my Config File, a datalog of my AFR at cruise, and a longer one from my drive to work. Shut the fuel off when the engine is not running to keep the nozzles from dripping. Yesterday, after work, brought the car up on #1, then turned balancer to 50* BTDC, and swapped in the Dual Sync. Seen a lot of posts about interference. And when running these grounds, don’t skimp on wire. He goes on to state that the company also listened to customer feedback and built everything from. If you look at the datalog you can see that the engine is rich and that it takes a fair amount of time for the Sniper to react. Sniper Ignition Wiring with Holley Distributor, with CD Box (MSD 6A Shown) Here's a great video detailing the setup of the Holley Dual-Sync Distributor with the Shiper EFI System. I appreciate any and all help! Specs: Holley Sniper 550-511. The handheld utilizes the battery ground large black wire and the ignition trigger wire and runs independently from the ECU. On a 36-1 trigger wheel, each tooth equates to 10 degrees. 1250 HP version features eight 100 Lb/Hr Injectors (Forced Induction) The 800 CFM Main Body will support 650 Horsepower Naturally Aspirated and up to 1250 in boosted applications. 7L LS1 swapped Mazda for about a year. 09, thousands of scientists from India’s premier research. Oven brazed fittings can withstand 100 psi. The car is a Grand Prix, with a 428. The engine installation is the factory 302 bored. Nov 26, 2016 · Engine running at various rpm's, and compared/sync'ed ECU read timing to balancer. This line of distributors comes with a connector on the Sniper EFI Main Harness (7 pin Connector). Your ignition timing could be …. I've tried to enable the Decel Fuel Cutoff a couple of times and can't get it to work. 2) Verify fuel pressure at the Sniper with a pressure gauge. For a better seal use Permatex Indian Head Gasket Shellac Compound or Aviation Form-A-Gasket sealant on the gasket and screws. If you need a reliable and easy way to connect your Holley EFI system to your laptop, you need the Holley EFI CAN to USB Dongle Communication Cable. This in-tank fuel pump module is a high-pressure unit that flows 255 liters per hour (LPH) and is capable of supporting EFI (electronic fuel injection) engines producing up to 550 horsepower. Holley’s Sniper EFI systems bring fuel injection to the masses with carburetor-replacement systems that are designed to have …. On-Board Diagnostic LEDS for: ECU Power – Engine Run – Wideband Status – TPS Calibration – Crank Signal – Cam Signal. SZR's project Datsun Holley sniper efi kit Hyper spark dizzy Hyper spark coil Hyper spark ignition module. Holley Releases Sniper EFI Systems For Quadrajet™ Applications. It also distributes power to your EFI fuel pump and a single fan (second fan can be ground …. HOLLEY SNIPER, Super Sniper, This course covers the basics and exposes you to the Holle y EFI product line. My Holley HP/Dominator EFI 534-10 CTS is accurate & reliable. All sensors are tested to ensure they accurately report …. This can also cause a bit of a stumble. Original setup had the Purple/Green combo wire from the 7-pin connecting to the 'Tach output' from the MSD 6A. A basic datalog at idle will allow use to see what the Sniper is doing. Run a ground cable from the block to the frame and a ground cable from the body back to the battery. Questions for the moderators - This is for questions regarding user accounts, log in issues, how to use the forum, etc. WBO2 sensor installed about 12” past the collector. As it runs, it starts chugging out white smoke from the exhaust (excess fuel). Holley Sniper Fabricated Manifolds continues to push the aftermarket by introducing Low Profile intakes for GM LS Engines. Updated handheld firmware, but won't update ECU firmware. Initial timing set at 15°, Inductive Delay set to 103. Budgetary cuts in funding, pseudoscience and growing religious bigotry have left the scientific community worried. Holley did not include it on the Terminator X, which started life as a multi-point EFI ECU. The tank is powder coated for corrosion resistance and great looks. It's a stock engine the I added a Holley performance intake to. Built-in Single stage progressive nitrous control. connected to the purple wire (Crank Signal Positive) in the Sniper EFI Harness, using the provided Tach Signal Adapter. 1 Sniper Stealth 4500 (550-841 Shiny, 550-842 Black, & 550-843 Gold) Holley Sniper EFI FUEL INJECTION INSTALLATION MANUAL. Sometimes the timing that gives the best vacuum may not behave …. To do this, open up the Initial Startup gauge screen that was used in section 17. Let's face it, you love driving your classic car, but dread the hassles with your Rochester 2GC Large Bore carburetor. fh5 jdm cars So I did and now it won't update the firmware to the ECU. Just wanted to check in and see if someone can provide some insight into the Holley Sniper system here --. Dart aluminum heads, single plane air gap Dart intake, solid. Originally Posted by Danny Cabral The Target Air/Fuel Ratio Table & Base Fuel/Timing Table (and MAP kPa & RPM axes/scales) should be configured using the Sniper EFI software: In the Sniper EFI software (), Target Air/Fuel Ratio Table (Fuel ICF) & Base Timing Table (Spark ICF), select "2D Table" Type (not …. Ran great until I replace a lifter. Ran fine, but it sits a lot and one knows that carbs don't like to sit, that's why I bought the Sniper EFI system. The secret to Earl's Vapor Guard hose is in its layers. Apr 10, 2023 · Holley EFI Troubleshooting: A 3% Error Caused THIS! Want to Learn How To TUNE Holley Efi, Terminator X, and Sniper? https://www. Instead of spending an arm and a leg, you can. Holley tech support has been very helpful to me. As I've posted in this thread I've been chasing a strange "misfire" that is very intermittent on my RAMJET 350 that utilizes GM HEI ICM remote coil, i. seat view barclays center The Sniper EFI 543-120 CTS has been problematic. Jun 6, 2017 · Yesterday, after work, brought the car up on #1, then turned balancer to 50* BTDC, and swapped in the Dual Sync. If you are experiencing run-on, it is due …. Apparently, this may help reset the Sniper. Holley Sniper EFI 4150 Super Sniper 650 with HyperSpark Ignition. Don't miss this opportunity to get the …. Progressive linkage may help, but first: 1) Your full scale RPM on your Base Fuel Table is set to 8000 RPM. There are no suggestions for what values to use for your engine and the default Base Timing Table is very poor. Finally got my Chevelle out of the garage with the new engine this morning. If you want to upgrade your Chevy SBC/BBC engine with a reliable and easy-to-install fuel injection system, you need the Holley Sniper EFI HyperSpark Distributor. Microswitch and Solenoid Mounting Brackets. ennard fanart Holley Performance Products has written this manual for the installation of the Sniper EFI TBI fuel injection system. After it would stutter then it would take off. Therefore it must be the 'driver' or the wiring. 1) Launch the Holley EFI software from the icon on your desktop. This 4-barrel system features a dual pattern bolt on design built to fit 4150 flange & spreadbore manifolds. The Sniper can't lean it out since you have a pig rich fuel map and you set the Limits at 50%. 5" Hi Flow V-Tex merge pipe with dual 2. A pre-calibrated fuel level sending unit will work. All my other datalogs the Target AFR is pretty stable with very minor/gradual changes. When it's in park or neutral it revs OK. Includes: Sniper 2 EFI Conversion Black Throttle Body w/Master Inline Fuel Pump Kit. Anyway, I opened the Config File in Sniper EFI software and there was only one box that when ticked allowed only Fan #1 to fire with the A/C, The A/C IAC Kick is at 50%. Second, make sure the fuel lines are unobstructed and that there's no air in the lines. Holley Sniper EFI HOLLEY SNIPER EFI KIT GOLD SELF TUNING 650HP. I have a '68 GTO, Pontiac 461 Stroker engine that was recently build and dynoed by Kauffman Racing. An unstable AFR reading causes the Sniper to chase it and potentially overcompensate. wrap for sale Sniper EFI throttle bodies require 58-60 psi of fuel pressure and a 10 micron filter. In the lower ranges your timing may actually be a bit high. Holley EFI; Range Technology HyperSpark Ignition for Sniper EFI. You could temporarily disable Closed Loop and check it at idle to see if the idle stabilizes. 8 Injector Sniper EFI XFlow (550-544 Shiny, 550-545 Black, & 550-546 Gold) QUICKSTART MANUAL SNIPER EFI INSTALLATION INSTRUCTIONS Congratulations on your purchase of a new Sniper EFI Throttle Body System built by craftsmen to exacting standards in our Bowling Green, Kentucky facility. Holley and Sniper will help you to complete your EFI swap with our new EFI Conversion Fuel Tanks. 2L/258 AMC inline 6-cylinder Holley Sniper and get Free Shipping on Orders Over $109 at Summit Racing! $5 Off Your $100 Mobile App Purchase Sniper EFI, BBD, Throttle Body, Black, BBD Flange, Injectors, Fuel Pump, Regulator, Harness, Tuner, Jeep, CJ5, CJ7, 4. 00 Part No: H12-878 Add to cart. How to install the easy to use Sniper EFI Hyper Spark Ignition System. Categories/ Plumbing AN Fittings and Hose. Originally posted by Carlos Victim View Post. Many classic car owners ask whether installing. 030"), 292 Crane cam, Holley Dominator high rise intake, 700R4 transmission. Searching For ECU Troubleshooting Questions. Right now you are only running 1/2 a EFI system. I have a Sniper EFI (4150 Stealth) system that was running well, but has been offline for a few months while I completed …. This is why most OEM EFI pumps are in the tank. Holley EFI Training Course Part 1: V5 Software Installation & Overview walks you through how to install the Holley EFI V5 software onto your laptop. It could be a slight exhaust leak that you're hearing or it could be a lifter ticking. Jan 3, 2022 · Holley EFI; Sniper EFI; If this is your first visit, be sure to check out the FAQ by clicking the link above. WalletHub makes it easy to find. I know this is my first post but I'm already in deep trouble with a Holley Super Sniper throttle body EFI (8x100lb injectors) - inside a housing that looks like a …. The customer had replaced spark plugs since last visit, but still had a misfire under load. Any permanent deformation on the plastic surface will cause it to be non-responsive. The car is working, but the customer's mistake the first Wizard was made for the Super Sniper version. Holley upped the ante on fuel injection swap kits with its newly redesigned Sniper 2 Self-Tuning Throttle Body EFI system. How Sniper EFI Helped Get The Andersons' C10 Project Back On Track. Holley makes it easy to convert your classic car with a Rochester 2GC Large Bore two barrel carburetor to fuel injection. By adding an EFI Connection 24x/1x Crank/Cam signal conversion, 8 ignition coils, and a few adapter harnesses, the Terminator X will have no trouble running your LT1 just as an LS1. Originally posted by Mikes87Camaro View Post. If either of those two are not making contact, the 3. The Holley Sniper EFI software is fairly easy to use and by saving the file under a different name there is no risk. Today's fuels are blended for modern fuel injection, not that old 2Jet carburetor from 50+ years ago. This process worked fine for everything except the Decel Fuel Cutoff. This can cause poor running or a misfire that. If the Holley fuel pump is going bad, then also it would make a loud buzzing noise and you may also experience vehicle-related issues like engine misfire, loss of power and acceleration, engine stalling, and a decrease in fuel efficiency. If any injectors fail to meet our flow standards they are replaced with good injectors. Once it gets to 180-190°F and fans start to kick on & off at idle, the engine starts to stumble and. fedex on site vs ship center Been using the Holley Sniper for about 2. With a redline set at 6500 you're losing potential tuning resolution in the Base Fuel Table and the Target AFR table. These single-plane high-rise intakes are computer-engineered and dyno-proven to produce more horsepower and torque than ordinary EFI manifolds. once it's restarted it drives as should, until a few minutes later the same problem appears. A look at why people take them and what the evidence actually says. My initial firing of the engine started right up and ran pretty well through warmup. The internal 255 LPH fuel pump module includes a …. We put a cap, rotor & wires on it, but the misfire under load was still there and it came & went. The company Holley (HLLY – Research Report). Hyperspark Master Kits are available for all popular engine combinates and come with a distributor, coil, ignition …. it can go days without happening and then sometimes in a single drive happen 4. An EFI fuel system needs two filters: Before fuel pump - 100 micron pre-filter. 55 Rear End, IRS, 17” Halibrand Replicas (9” front, 10. Sniper Stealth 4500 EFI Sniper EFI XFlow Sniper EFI Small Bore 2GC. If this is your first visit, In the Sniper EFI software (Sensors ICF - Custom #1 drop down menu), the "Holley 100psig SS" sensor is Holley's 554-102 100 psi stainless steel pressure sensor. kaplan integrated proctored exam The switch will use a relay for power to transmission. Because the MSD receives power directly from the battery, it does not require much current to keep the unit energized. 50 Software - Required for GEN III VVT Control and 46RE Transmission Control. And while we recently wrote an entire in-depth article on the Holley Sniper 2, we wanted to share another video with you. This issue appears at both low RPM as well as at higher RPM. I did a startup datalog and for the first couple of seconds the AFR is 12. At that point the two should match. For starters, your fuel system will need to be upgraded. Jun 9, 2022 · At idle it is slightly above 0 and in the driving datalog it is not always returning to zero, sometimes stopping at 1%. Anyone have any insight on how to accomplish this so all my guages work correctly with no engine lights. Most tuning parameters and software functions can be found by selecting an icon from the toolbar. The cable is compatible with all Holley EFI systems that use a CAN bus, …. I have all the grounds hooked up, power to the red . I have the two pink wires and the red wire to connect to this switched +12V wire. This basic The Sniper EFI System comes with a built in fuel pressure regulator, factory set at 58. The HyperSpark is plugged into the green and purple connector and has clean ignition …. The pump arm should move down a bit when the feeler gauge blade is inserted. Sniper EFI 2300 2-Barrel Self Tuning Kit. When pulling the red positive wire from the battery for 20 or 30 minutes, some suggest that before reconnecting the red wire, tap it to the ground wire. Sniper EFI 1 not saving settings. So that could be the problem or you could have some other issue. Nov 26, 2023 · This is my third kit, but it's the first time I'm having an issue like this. Test a couple plug wires with test light, getting no spark from the distributor. The most important thing I've found with tuning any efi system is to make 100% sure you have no exhaust leaks and no vacuum leaks. I read that the 10-pin A Orange wire is just a momentary idle bump up and then the IAC takes over from. The crank signal wires from the CD box, are not used if timing control is used. It starts with dying at idle coming off deceleration in gear, and eventually evolves into failing to maintain an idle. Roughly 400 miles on new Sniper install and it will occasionally pop through the intake on acceleration. The A/F ratio starts to go past 20 and the truck lays down on itself. It was about $40 - $50 cheaper than the Holley Sniper fuel tank and looked to be the same thing. If this is your first visit, be sure to check out the FAQ by clicking the link above. Have yet to get a good running condition with my Sniper setup. It didn't turn my fans on until 233° on the other gauge with 190° on the handheld. I find the most helpful datalog function, is overlaying the datalog on your Config File. I've been fighting a idle miss in a 5. Sniper - No Data Issue - Need Help. I HEI Distributor + LiveWire wires. The ECU is buried inside the throttle body too - and seems prone to RFI problems The engine is a 598 cu in Chevy big block - merlin block, tall deck. “We moved the ECU to the side and redesigned it from the board up, all new hardware, new firmware, new …. Truck is a Ford F100 with a 390 FE engine. Perfect for street rods, hot rods, muscle cars, off-roaders and just about any carbureted vehicle, Sniper EFI. The Super Sniper EFI 650 and Super Sniper EFI 1250 EFI systems, along with the Sniper EFI XFlow system, feature advancements that allow enthusiasts to have electronic fuel injection onto their existing engine, whether it is naturally aspirated, boosted, or even sprayed with nitrous!. If I stay in it and keep the RPM high it seems to accelerate fine, or better, but this surge action has me wondering what's going on. Pacemaker #PH4050 2v Tri-Y extractors to 2. Even Holley said either their tank or Tanks would work just fine. Sometimes there wouldn't be a stutter but the engine would surge during acceleration. I decided to look down the throttle body. Fine tuned the timing to 12-15 degrees. If no combustion occurs, pull your fuel pump fuse (to avoid a 2nd prime shot while programming), make a large adjustment to Priming Fuel %, e. Rather than spend 25 bucks on a 5 dollar adapter, I cut the harness plug off of the Dual Sync and soldered new ends on the signal wires, to use with an MSD plug (like an MSD distributor has) MSD Part# 8824. This is my first build and first attempt with EFI. My current setup has: MSD 6AL with the "Starter Saver". Perfect for street rods, hot rods, muscle cars, off-roaders and just about any carbureted vehicle, Sniper EFI will put an end to cold start issues, hesitations, vapor lock …. On the Sniper the injectors are actually above the throttle blades, but Holley told me to reference the manifold. 5 and never changes until it's warmed up. Stock LS3 in a 1999 Mustang with Holley HP, E85, ProCharger D1SC, 3 bar MAP sensor. When the truck was getting fed through the Quadrajet, my highway mileage was 10. My AFR is very erratic, it jumps around and frequently gets pegged at both rich and lean. 5 Exhaust UMI Suspension Stage 2 CPP. Learn about sniper teams and sniper team weapon systems. When fuel pressure is high, the Sniper will restrict injector flow to try to lean the system. I'm struggling with an issue where my RPM do not go down after lifting off the throttle. Third, the CTS temperatures are high, in the 205°F to 208°F range in some cases. I just installed the Sniper with HyperSpark distributor. Topics: 5,527 Posts: 52,529 Last Post: Full lean at WOT, and after driving for 20 minutes. I have spent the last week checking for any vacuum leaks, ensured no exhaust leak, all electrical connections and voltages are good, battery is brand new. feit electric device offline Sniper EFI Troubleshooting Guide - Pre-start checklist - Sensor verification - No Start Conditions - Holley EFI Display Software If you're updating your EFI software, ensure …. If you are experiencing run-on, it is due to a small amount of voltage going through the. First, check the fuel pressure. The Magnetic Diagram on page 18 of the Sniper EFI Manual shows the brown wire coming from the CDI box; it does not show the brown wire coming from the Sniper. boba yogscast I've had it installed for a couple months. Feb 1, 2021 · Sniper EFI Tuning & Tech. This is where it gets interesting.