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Please be aware that this is a community forum. Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. Thus, Holley can not guarantee an answer or timing on an answer. ... The Holley Sniper EFI will intermittently inhibit Closed Loop at idle, if the AE vs ...HyperSpark Issue Help. 01-10-2024, 06:15 PM. I've been running Holley Sniper for several years, but just recently decided to update to HyperSpark with the distributor, coil, and ignition CDI box. I'm now having issues and my first guess is RFI, but was hoping someone could take a look and let me know what you see.Timing: Base = 14° Vacuum = 8° Centrifugal (all in by 2400) = 22° Idle = 22° WOT above 2400 RPM = 36° Part Throttle Cruise = 44° + - The engine has always smelled rich at an idle, even with the carb on it, small holes in primary and secondary throttle plates trying to help this (on the carb, not the Sniper. ;)).Please be aware that this is a community forum. Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. ... but a shorter coil to cap wire will reduce the EMI/RFI potential and help to separate that source from the Sniper wiring. I re-read the Holley ...

I have the Terminator x stealth 4150 from Holley on my 67 Fairlane. I like it alot. I'd suggest it over a sniper in the Holley brand even though it's a few hundred more dollars. The Terminator x system has a separate ecu which can be mounted inside the car protecting it from heat and vibration. The sniper ecu is in the throttle body.To start viewing messages, select the forum that you want to visit from the selection below. Please be aware that this is a community forum. Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. ... Holley Sniper fine tuning adjustments. 03 …I have a 77 Cougar with a 460 in it. Engine is: .040" over, cast crank & rods, forged pistons, high compression (D0VE) heads with port work on the exhaust side. A 220°/231° @ .050 110° LSA cam, and an Edelbrock Performer intake. Transmission is a C6 with 2500 stall, and a 3.50 rear gear.Please be aware that this is a community forum. Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. ... (Holley Sniper EFI Datalogging Tech Video) May God's grace bless you in the Lord Jesus Christ. '92 Ford Mustang GT: 385"/6.3L …

Sep 29, 2017 · To start viewing messages, select the forum that you want to visit from the selection below. Please be aware that this is a community forum. Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. Thus, Holley can not guarantee an answer or timing on an ...The Sniper is a really nice entry level EFI system. They are fairly easy to tune and work on but there is a bit of a learning curve. The install is much more difficult than Holley claims, but any decent mechanic can get it done in a day or so. When I built my Duster I stepped up to a Holley Dominator EFI system but a Sniper would've worked okay. ….

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I also tried another Sniper throttle body and hooked up the electrical and the screen lit up and worked fine. My laptop does communicate with the Sniper and shows live data, but the touchscreen does nothing. Check the throttle body wiring (main harness). If that's OK, contact Holley Tech Service ( LINK ).Mar 31, 2018 · Tweet. #1. Intermittent high idle - Sniper EFI. 03-31-2018, 12:54 PM. I'm new to Holley Sniper EFI. I've had it installed for a couple months. My only complaint is I think it's very slow to come back to idle when coming to a stop light (manual transmission). My bigger issue is the past few times I've driven it (weekend warrior), after about 20 ...Holley Sniper Running Rough/Won't Idle. 02-05-2024, 07:03 PM. Holley Sniper won't idle and running very rough. Attached datalog. Wondering if it's a bad WBO2 sensor or stuck injector. Attached Files. Rough Idle.zip (58.4 KB, 11 views)

The Learning “works off of the closed loop”. Meaning, the learning works to reduce the closed loop value to 0. The closed loop control is very fast and will respond instantly to a deviation from the air/fuel ratio. The learn is intentionally slower than the …Sniper is backfiring. 06-18-2019, 07:45 PM. Hey guys. I have a 383 stroker in a '69 Camaro. Dynatech long tube headers with 3" Dynatech exhaust. I just installed the Sniper with HyperSpark distributor. Car runs so much better, except it backfires of more like pops a ton. Driving me crazy.To do this, open up the Initial Startup gauge screen that was used in section 17.0. With the vehicle in neutral, adjust the idle screw until the IAC Position reads between 2 & 10%. While adjusting the idle speed screw, if the. TPS Position begins to read higher than 0%, cycling the ignition switch will recalibrate the TPS back to zero.

is the mva kiosk open 24 hours 74 posts · Joined 2016. #1 · Dec 10, 2016. I wanted to follow suite with the popular FiTech tuning tips thread but being more specific with Holley information. ENGINE SIZE: 350. HOLLEY SETUP USED: 600 HP Sniper in shinny finish. ENGINE VACUUM: Thinking it's around 13. CAM SETTING (Stock/Mild | Street/Strip | Race) AND YOUR CAM SPECS:Tweet. #1. Holley Sniper Voltage Issue. 05-04-2024, 06:49 PM. I recently installed a Gen 1 Holley Sniper system on my 327 small block. I ran everything according to the directions and used their supplied pump, and I have my electric fans correctly hooked up to the output on the Holley unit. Everything works great except my voltage is all over ... piaa district 2 playoff bracketgorham ave Apr 13, 2020 · 04-14-2020, 02:15 PM. Many, if not most, of the problems reported on this board have little to nothing to do with the Sniper itself. There are a lot of wiring problems, vacuum leaks, and mechanical problems that people have, which they blame on the Sniper. Having said that, there certainly are Snipers that go bad.Tweet. #2. 04-20-2024, 08:38 AM. Ensure the fuel injectors or spark plug wires, or any other high voltage wiring isn't too close to the IAC motor/wiring. The IAC motor is easily susceptible to electrical interference, and it'll cause strange occurrences and become inoperable. Or maybe the IAC motor is defective. party city carle place new york Apr 6, 2024 · 04-06-2024, 11:04 AM. There's no absolute answer to that question. Snipers will sometimes make more power than a carburetor and sometimes they will make less power than a carburetor. A lot of it depends on the tuning. If both are tuned by an expert the power difference is usually very, very small.Please be aware that this is a community forum. Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. Thus, Holley can not guarantee an answer or timing on an answer. ... (Holley Sniper EFI Help Manual - EFI Software, Tuning & Datalogging) vivian funeral homecraiglist myrtle beach sctornado warning stockton Tweet. #2. 04-20-2024, 08:38 AM. Ensure the fuel injectors or spark plug wires, or any other high voltage wiring isn't too close to the IAC motor/wiring. The IAC motor is easily susceptible to electrical interference, and it'll cause strange occurrences and become inoperable. Or maybe the IAC motor is defective. maaco premium paint job price 3) A/C IAC Kick was enabled, quickly turned that to disable. 4) IAC Ramp Down was at 20% and 5 sec* decay. (Changed to 10% and 1.5 sec for testing. This one made the largest difference. Correcting/changing each of these drastically improved the driveability. My question is concerning the IAC Ramp Down & Decay.Tweet. #3. 05-06-2021, 07:55 PM. @jpalmer1717: The correct thing to do is to remove the unused wires and then plug the sockets in the connector. You need a small flat blade tool to depin the wires and then a set of rubber plugs for the holes. This is all standard equipment for people who work with Metri-Pack connectors. gluten free restaurants iowa city iaallergy forecast tucsonbest aftermarket gauges Tweet. #1. New Sniper - Running well, then going lean. 03-29-2021, 12:13 PM. Hi all. I'm new to the Sniper community, but have a newly rebuilt Toyota 2F inline 6 with a Sniper 2300. It was running really well, but then started to stumble/run lean occasionally. Symptoms gradually increased in frequency until the truck would basically not run.Please be aware that this is a community forum. Although Holley employees will take part in answering questions from time to time, your questions may or may not be answered by Holley personnel. ... (556-151), Holley Sniper EFI HyperSpark Ignition Coil (556-152), and Holley Sniper EFI HyperSpark Distributor - GM V6 (565-317).