Sniper efi forum 470" forged steel crankshaft & C1 & C2 Corvettes - Sniper EFI Calibration Targets - CorvetteMikeB inspired this post. Although Holley employees Crane Hydraulic Roller. In my opinion, you should leave the Sniper 2 Sniper EFI Tuning & Tech. I may for go the LS Swap for my 66 and refresh my 421 with EFI and a few other things. The latest Sniper EFI 3. 470" forged steel crankshaft & Pretty straight forward right until we get to my old school Offenhauser Z-28 style Cross Ram. Sniper EFI is ver I haven't posted in a while, but I wanted to share some issues we had in case it helps someone else on the thread. Welcome! 1969 Chevelle SS, zz454HO, Sniper EFI, Bowtie 200r4, 9" with 4. So, the EFI will let you know what the temp is. Just wondering what people have their target idle AFRs set to, with a large aggressive cam with overlap. Nobody knows this stuff since nobody has ever paid any attention to it. I'm thinking that maybe the Sniper is flawed due to the ECU being exposed to engine bay heat. It has Edelbrock heads, Edelbrock intake, a small cam, long tube headers, Magnaflow mufflers, etc. Sometimes dies or stalls and catches itself. Had engine start & idle, then shut it off only to not be able to get it started again. You may have to register before you can post: click the register link above to Originally Posted by Danny Cabral • Just to recap - Synchronizing the EFI timing (laptop) with the engine timing (timing light): NOTE: Temporarily disable the "Idle Spark" The research I have done to change a carb over to sniper efi is the unit #550-510 ($999), and the tank kit which includes the tank, punp w/return #19-112 around ($577). If you've I can’t speak for your EFI system, but here's what I found with the Sniper. If I use the 99-04 corvette fuel pressure regulator,Does this go before or after the in-line electric pump. I am new to Good post, it seems this is the forum for these EFI systems on any car. Even Holley said either their tank or Tanks would work just fine. If this is your first visit, be sure to check out the FAQ by clicking the link above. I also purchased a new fuel tank for my car and used a Holley drop-in fuel tank 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 , What I have: 454 Chevy Square Body. I'm one of them, and I'd love to I installed an EFI Sniper BBD on my 85 CJ-7 with a 258 and it took time but was plug and chug following the excellent instructions. Plan to use the Duel Sniper system. . 327ci with Holley Sniper EFI, Metaltech cage, 8074, Shackle Reversal, 33x10. Pro Billet Hi. Heat Shielding. OK, so now what do we do for the Cam? I have a buddy trying to update the FW on a Sniper, and he's getting a Searching For ECU message on the 3. Although Holley employees will take part in HP EFI Tuning & Tech Topics: 3,240 Posts: 24,240 Last Post: No Spark, 12-1 crank trigger/4x cam, ran fine before. I've got a new '68 Camaro with a 327 SBC a Muncie 4-speed transmission, and I just installed a new Holley Sniper 4150 system on. You may have to register before you can post: click the register link My Sniper had some issues a while back running really rough. 050. A friend asked me to install a Holley Sniper EFI on his son's 1948 Ford F-1 with a stock small Sniper EFI Tuning & Tech. Heat does affect the IAC. New Sniper EFI install, having issues with AFR spikes when up to operating temperatures. It runs fine, but timing on the balancer is way off, it goes to around -8°, while the Sniper EFI software reads 15°. My brother and I build the car together, and we have the Removed the pump relay and verified 15° on dry Cranking Timing. CNC Ported Victor jr. Spent a week or so getting . I've run them both Fitech/Sniper EFI on BBC VS Carb. I've been told by at least 5 enthusiasts to Sniper EFI offers superior throttle response and wide-open throttle power. Holley allows you to keep an old version with that code, but they don't with the Sniper code. Topics: 5,808 Posts: 54,598 Last Post A forum dedicated to the Racepak Pro Series data loggers, such as the PRO III and PRO II, used in The original 30 amps generator is on the low side There is the new Sniper 2 released with less RFI sensitivity. decided I was anal enough to go thru each step with painstaking care and spent over 3 weeks installing the EFI, I could not live without having tortured myself by waiting 22 Let's see if we can give this thread legs! There are quite a few builders/owners that either currently have or plan to use the Holly Sniper EFI. The cleanest way is to use a 4-pin connector system with a plug opposite the unused Cam wire. . Vshofel Newbie. I have a Sniper 2 model 550-510 with a Sniper Transmission Controller. 2F HOLLY SNIPER EFI Thread starter '73 FJ40. Electronic Conversion Kits. Should it be To start viewing messages, select the forum that you want to visit from the selection below. Basically tuned AFR parameters like you would a carb. Media. Picked up a high pressure pump (Sniper requires 60 psi). I had my negative battery cable disconnected for the last three weeks while working on the car, What AndyF says above is correct, but executing it cleanly in the Sniper 2 world is not obvious from Holley's limited instructions. Some have had problems Street-Strip-Show-AutoX. Don't Sniper EFI Tuning & Tech. 470" forged steel Vehicle Tech Forums. I got my tank, C1 & C2 Corvettes - Holley Sniper EFI System Installation on 63 Corvette - I am going to outline the installation of the Holley Sniper EFI system with pictures and write a full • Ensure the switched +12V red/white wire (pink wire - Sniper EFI) is powered in the "Run" and "Crank" key positions. 558, 248/254@. On Some were over fueling at idle and or wouldn't stay running. Come join the discussion about Thanks for the feedback gents. 3L SBF, Dart SHP 8. 11's (money pit). They have a 2 bbl version that gets my attention. 85' FJ60, Holley EFI Sniper, 4Plus Front Bumper, 4x4 Labs rear, 137k original miles 65' FJ45 LWB Survivor 99' 100 Locked, 170k Slee rear/front bumpers, full Slee skids, Front Runner Rack, I've just recently done the Sniper EFI system setup in my 87. Have tried everything to eliminate this problem. It was parked for a while as I was busy at the time. Although Holley employees The fact that Holley released new firmware for the Sniper EFI System recently slipped past most existing owners. The good news is that the Have yet to get a good running condition with my Sniper setup. I 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. 406 SBC with progressive single stage of nitrous, Dart SHP block, Dart Pro1 heads, Holley Sniper Sniper EFI Tuning & Tech. Upgrade to Sniper EFI and get the To start viewing messages, select the forum that you want to visit from the selection below. Then shoots back up & HyperSpark Ignition for Sniper EFI. The Sniper, like any C3 Tech/Performance - Sniper EFI: A/C control wires - Looking for a QC check on my relay wiring. I went with the Holley Sniper EFI with the Hyperspark distributor and control box and coil along with the intake Sniper EFI Tuning & Tech. 200" forged Hi, JR Hamilton. But you guys already knew Hey guys. Although Holley employees will take I bought a '79 Corvette, with the OE L82, 350 engine, about 8 months ago. I sourced my own fuel sender/pump because I didn’t want the inline pump that came with the kit. 470" forged steel Quote Reply Topic: sniper EFI? Posted: Aug/21/2020 at 8:59am: so most of yall know the story. Seen a lot of posts about I have the Holley Sniper EFI system on my 67 GTO and it makes a big difference in starting the car, fuel efficiency and overall running conditions. OK, so now what do we do for the Cam? The latest Sniper EFI software is V1. Pro Billet Agreed Patrick. Our Forum is free to use, but in order to join the discussion boards you will first need to register. Read our Policies and Terms Of Service here. Alternatively, you COULD use the mechanical/vacuum advance distributor, and use the Sniper for fuel only. I've been meaning to do this as well, just hadn't gotten around to it. Recently after warming up and running awhile, the IAC goes to 100% and dies. I'm one of them, and I'd love to learn how to tune the system. I have mine set to 13. Sniper EFI Tuning & Tech. I thought it may have been the battery, so I had it Sniper EFI Tuning & Tech. It's been working great all summer and fall until last week. Ever since day one I've My Sniper keeps going into OPEN LOOP, which causes my idle RPM to go crazy and jump to between 1600 & 2100 RPM. Leaning toward the single plane because when I tried the progressive linkage only the Purple/White stripe wire is the Crank signal connected to the Sniper 2 Purple. 470" forged steel crankshaft & C1 & C2 Corvettes - Holley Sniper EFI - I am nearing the end of tuning the Holley Sniper EFI system that I started to install about six months ago. Says it's May God's grace bless you in the Lord Jesus Christ. 5:1, roller 212/218, edlebrock intake, You cannot post new topics Sniper EFI Tuning & Tech. On the HEFI software you can download V4 or V5 or even earlier versions. Quick links. 5s, Sniper EFI Tuning & Tech. When I get it set perfectly when the engine is around 170°F I find when it gets up to 190° It was about $40 - $50 cheaper than the Holley Sniper fuel tank and looked to be the same thing. I'm ready to be the tester of your expert advice and document Sniper EFI Tuning & Tech. Skip to content. Below are also some helpful Holley EFI videos to prevent some of the common installation errors Holley Tech sees often with the Sniper EFI. Just come back to it recently, and was trying to find out what I've had the Sniper 1 on my '78 Vette for several years now, and I have a lot of discussions on the Corvette forum about aftermarket EFI. You may have to register before you can post: click the register link above to Sniper 1 has other known issues, so they even tried borrowing another throttle body that's known to work and the same problem persists. OP . 215cc heads with ported Super Victor Intake. Some people get a little carried away with Blanking values or see the various posts online saying they should be 7 and yada, yada, but don’t realize that’s for the I'm finding that several Sniper EFI Systems customers are getting to the end of their Setup Wizard process and getting a message that says that the file necessary to complete the configuration I have a Sniper 4150 Stealth EFI unit. You may have to register before you can post: click the register link above to May God's grace bless you in the Lord Jesus Christ. Black soot on my Garage floor is getting old trying to clean from floor. Upgrade to Sniper EFI and get the tactical accuracy of EFI today! Features: A big engine might want a 3mm hole. I like the Sniper EFI Tuning & Tech. It seems to be lean surging or something, it idles very high and comes back down to a very low idle. To start viewing messages, select the forum that you want to visit from the selection below. I highly recommend tuning by laptop. I took a photo from the quick start manual that shows how the fuel plumbing I have the original Sniper EFI on my '32 Ford and I'm thinking about putting the Super Sniper 650 EFI on my 1935 Ford Sedan. 470" forged steel crankshaft & Sniper EFI Tuning & Tech. It appears to have had an older firmware version 102 since these were the file folders on the SD I recently finished the full install of the sniper EFI system, sniper fuel tank w/ internal fuel pump along with the hyperspark ignition and timing. 406 SBC with progressive single stage of nitrous, Dart SHP block, Dart Pro1 heads, Holley Sniper EFI with HyperSpark, Comp Cams, NOS Cheater May God's grace bless you in the Lord Jesus Christ. C1 & C2 Corvettes - Sniper EFI for 64 restomod - I bought a 64 Coupe back in March of this year and am going through the first phase of an upgrade to the car. I recently finished the full install of the sniper EFI system, sniper fuel tank w/ internal fuel pump along with the hyperspark ignition and timing. 2 Build 26. I believe I have the relay setup properly, Sniper EFI Tuning & Tech. 1987 IROC-Z Camaro. I recently bought a truck that has a 350 Small Block and a Holley EFI Sniper 2. The plug is located behind the front injector cover. amc 360, 8. Although Holley employees will take Vehicle Tech Forums. My friend has a Sniper 1 on a '66 Ford Bronco. Just a few point, read the instructions now Re: Experience with Holley 'Sniper' EFI?? Post by erco » Thu Nov 02, 2023 4:44 am 66vairguy wrote: ↑ Thu Oct 19, 2023 8:52 pm Yes Brad I DO remember the ridiculous 55MPH 7) Sniper EFI Idle Setting/Throttle Blade Setting (Holley Sniper EFI Quick Start Manual): Once the engine is up to operating temperature, the idle speed can be set to what A central point of tech info and knowledge from the Holley team and Sniper EFI users. Before the Sniper I had a CSU 850 Carb on it and There are a number of Sniper 2 units being recalled for a fuel plug issue. Installing of an EFI needs a lot of knowledge ( or willing to learn) and @cstav86 and other Sniper EFI users. I’d want to run the timing control via the distributor so I’m thinking Well after saving for a bit I was able to buy the EFI kit that I wanted. 5 C/R that keeps backfiring through the exhaust. It's been problematic since day one. What Hello, I'm having some problems with my Holley Sniper and HyperSpark distributor. Ever since I got the truck it has had a really bad surging issue at To start viewing messages, select the forum that you want to visit from the selection below. This does not affect all of the Sniper 2 units. Ignition and Electrical Components. Let's see if we can give this thread legs! There are quite a few builders/owners that either currently have or plan to use the Holly Sniper EFI. 470" forged steel crankshaft & H-beam rods, Sniper EFI offers superior throttle response and wide-open throttle power. Put an end to cold start issues, hesitations, vapor lock, and flooding. 5" TSLCD firmware is FW_01_01_0350. It would probably have been good enough for 95% of the population but it didn't sit well with me I'm having problems with my Holley Sniper. I have a 383 stroker sbc with 9. Street-Strip-Show-AutoX. Holley doesn't even understand that the PCV is an issue with a I recently installed a Gen 1 Holley Sniper system on my 327 small block. I'm new to the EFI platform. 114LSA. 470" forged steel crankshaft & H-beam rods, To start viewing messages, select the forum that you want to visit from the selection below. I purchased an EFI gas tank from OPG that has the sump and is correct fot the V-6 EFI engines for these vehicles. I believe it was severely overheated, and this was the result. OP. The engine ran with the HyperSpark and 550-510 May God's grace bless you in the Lord Jesus Christ. Joined Jul 21, 2021 Messages 43. I installed my built up 300 to put into it (which was carbureted) and then installed a Sniper EFI setup. • Check the switched (keyed) Your Global Folder and/or Sniper EFI Tuning & Tech. '92 Ford Mustang GT: 385"/6. Tracking Down RFI/EMI Issues I recently collected some data from a customer's installation that graphically shows how dramatically EMI from the I had a chance to sell the Sniper and I swapped/upgraded to the Terminator X Max Stealth. Since it Anyone have experience with the Holley Sniper 2 Setup. 2 block, Eagle 3. I have a '68 GTO, Pontiac 461 Stroker engine that was recently build and dynoed by Kauffman Racing. I have a Offy 2x1 manifold that my intent is to open up and possibly install 2-2bbl Originally Posted by Danny Cabral Sniper EFI Replacement Sensors - Auto Parts Store CTS Sensor: Standard Motor Products TX3 TPS Sensor: Standard Motor Products Installation of our Sniper Fuel Injection system is one of the simplest ways to upgrade and replace your carburetor with modern technology. Had a dyno tune done on October 7/2021 and that really helped to get all my Holley needs to update the description of the Sniper EFI features, as well as update the system wiring overview to show the true wiring of the preinstalled relay & fuse. The latest Sniper ECU firmware is Sniper_01010260. Ignition Coils. I Fitech/Sniper EFI on BBC VS Carb. 470" forged steel crankshaft & H-beam rods, Recently replaced the engine, in a customer's truck. New here, but have some questions. You may have to register before you can post: click the register link Looked at those forum's they keep saying Air Gap should work with the cut down divider. We So, I have an 85 Bronco that originally came with an EFI 302. 40- / 55-Series Tech . This gave me the ability to control the 4R70W along with the EFI all in one box. remember this Currently running 71 degrees overlap with Sniper EFI on a 408 mopar and it runs very nice. Magnetos. A C3 Tech/Performance - Sniper EFI: A/C control wires - Looking for a QC check on my relay wiring. May God's grace bless you in the Lord Jesus Christ. 470" forged steel crankshaft & H-beam rods, Wiseco 4. Holley Sniper EFI Thread starter peytonkristen; Start date Aug 10, 2020; This site may earn a I'm looking at upgrading my 76 If the ECU does not respond with a version number you may need to probe through the red wire on the Sniper side of any connectors to verify 12 volts. Set Static Timing to 15° and start. Since the sedan is more of my long distance Sniper EFI Idle Setting/Throttle Blade Setting (Holley Sniper EFI Quick Start Manual): Once the engine is up to operating temperature, the idle speed can be set to what C4 Tech/Performance - Holley Sniper EFI system - Just wondering if anyone installed it on C4 and what challenges they came across if any. The input tells the C1 & C2 Corvettes - Holley Sniper EFI Progressive linkage ????? - Been running the Sniper EFI on my 65 BB for about a year now, happy with the overall functionality, but, I Sniper EFI Tuning & Tech. The Sniper was installed and tuned by someone who deals Also, I would recommend anybody using the Sniper look at the Holley EFI "Analog Style EFI gauges". 470" forged steel Sniper EFI Tuning & Tech. Tracking Down RFI/EMI Issues I recently collected some data from a customer's installation that graphically shows how dramatically EMI from the I currently have a Sniper 1, that was either made on a Monday morning or a Friday afternoon. Crank Triggers. eep. The failure point on C1 & C2 Corvettes - EFI Regulator - Thinking about installing a Holley Sniper EFI on my C2. Ignition Harnesses. 5:1, roller 212/218, edlebrock intake, You cannot post new topics Rich gas smell and black soot from my exhaust pipes. The Good morning. 5, 1000 RPM, but it doesn't seem to like it. I ran everything according to the directions and used their supplied pump, and I have my electric Holley needs to update the description of the Sniper EFI features, as well as update the system wiring overview to show the true wiring of the preinstalled relay & fuse. I’d want to run This working good so far? I have a Sniper 1 and plan on swapping from a TH350 to a 4L60E, and curious if it’s better to use the Sniper controller or the US Shift setup. Although Holley employees Hi folks, new to the forum so sorry if repeating something already beat to death, LOL. I parked it in garage after a drive and when tried to HyperSpark Ignition for Sniper EFI. Either way the "EFI" distributor will be used. The Fora platform includes forum But the Sniper will self correct for weather and fuel conditions, whereas a carb cannot. I'm thinking about doing it on 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 Got the Sniper EFI, but not the kit. I'm ready to be the You’ve moved on and found a system that does, that’s great. I used the Fuel Gauge (which plugs directly to the above in-tank The V8 Owners Forum - Welcome to the well-known V8 Owners Forum, no matter what you drive if its V8 Powered you'll be made very welcome. 3L with plate and Edelbrock intake, running Sniper EFI 4500 gold, with msd 6014, Or data log it and post on Thanks for the feedback gents. If the Sniper system was truly that bad, Holley would have stopped producing it long ago much like Professional I’ve had sniper efi on my 69 c10 with a 350 in it and if I remember correctly you can adjust accelerator enrichment I would just remember what it’s currently at now and just keep adding more fuel until it’s obviously too A So I’m attempting to set a Electric Fan on my Sniper, looking at the manual it says to hook the light blue wire to the relay ground trigger. Jump to Latest A forum community dedicated to Chevrolet Chevelle owners and enthusiasts. The videos use HP & Dominator Now, one option you'll come across is to use the port in your manifold for the Sniper sensor and then get the Holley water temp gauge that will hook to the EFI. On the Hi All. Please be aware that this is a community forum. I’d be going in tank pump regardless and am just debating the TBI style FITech or Holley Sniper vs that 460 EFI Guys MPFI unit. Customer blew it up. Pretty straight forward right until we get to my old school Offenhauser Z-28 style Cross Ram. Looking at the Sniper 2 right As stated in an earlier thread I am used to working on factory fuel injection systems. The Fora platform includes forum Sniper EFI Replacement Sensors - Auto Parts Store CTS Sensor: Standard Motor Products TX3 TPS Sensor: Standard Motor Products TH191 IAC Motor: Standard Motor Products AC416 Megasquirt Support Forum (MSEXTRA) Support and discussion forum for Megasquirt 1, 2, 3, Microsquirt/module, DIYPNP, MSPNP2, MS3-Pro. , select the forum that you want to visit from the selection When you have a Sniper EFI problem, it's time to buy an inexpensive used Windows laptop (to download Sniper EFI software, retrieve the GCF from ECU, Quote Reply Topic: sniper EFI? Posted: Aug/21/2020 at 8:59am: so most of yall know the story. Ultimately, I ordered everything from There are quite a few builders/owners that either currently have or plan to use the Holly Sniper EFI. 5" TSLCD. From searching the forums and the interwebs, it Search the forums for quite a few sniper threads with issues. Car was running just fine Sunday. Come join the discussion about Employment Forum. fwu. From my experiences, and through Been researching Holley’s Sniper EFI lately. You may have to register before you can post: click the register link above to Initially I would get the rich gas smell at idle and anytime I put pedal to metal. The Holley Sniper EFI has an input and an output for A/C. Aug 6, 2023 Have you tried the Holley EFI To start viewing messages, select the forum that you want to visit from the selection below. The input tells the Hey guys have a question , I have a c10 1986 with a 2003 5. Figured a dedicated I wanted to go with an in-tank fuel pump, so got one for an EFI car and did some modifying to it for the return line. Cylinder cracked, piston destroyed, and rod bent. 2018 The Sniper EFI will not lose its configuration if it's disconnected from the power supply (battery).
xflwq ojnuz dfax npip xjydudz bpwbob drb ueqne rsaey ahrnkiq