Holley sniper forums
Forum; Holley EFI; Sniper EFI If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to register before you can post: click the register link above to proceed. 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. ...New Forum Member - Cold Start Tuning. 12-08-2022, 11:46 AM. First off hello everyone. I've had my 550-516 Sniper installed since 2018, and my '69 351W has never run better. However, the cold start has always smelled really rich. I finally had the time to try and tune the cold start using the Sniper EFI software.
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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. ... (Holley Sniper EFI Help Manual - EFI Software, Tuning & Datalogging) May God's grace bless you in the Lord Jesus Christ. '92 Ford Mustang GT: 385"/6 ...#1. Anyone 100% happy with the Sniper? 08-14-2018, 03:45 AM. Hi all. Don't get me wrong the Sniper kind of works, but I don't think it's that great. There's a endless forum of …Sniper EFI Tuning & Tech. May God's grace bless you in the Lord Jesus Christ. '92 Ford Mustang GT: 385"/6.3L SBF, Dart SHP 8.2 block, Eagle 3.470" forged steel crankshaft & H-beam rods, Wiseco 4.200" forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 compression ratio, 232°-244° duration/.623" lift/114° LSA H/R camshaft, Trick Flow R-Series FlowTech Induction Comp ...The World Economic Forum in Davos, Switzerland is a whos-who of political, business and entertainment leaders. Watch out video to get the inside scoop on all the things you didn...Sniper EFI. Not enough power. No power to 3.5" TSLCD or fuel pump. Fuel flow at idle too high. Too much fuel at throttle 20%+ & up. Closed Loop disable & WBO2 sensor. Leans …Aug 31, 2021 · Hello. I'm running the sniper EFI with HyperSpark on a crate Chevy 502 engine. It starts fine and will run, but it runs rough, not the smooth idle I was expecting. It's also very rich, I've made a few adjustment from things I've read on this forum, but now I'm stuck. I've attached my Config File and a datalog file in hopes someone can point me ...Chess puzzles are a fantastic way to sharpen your skills and challenge your strategic thinking. Whether you’re a beginner looking to improve or an experienced player seeking new ch...Thanks. Yes, you can use either one, they're both full manifold vacuum. May God's grace bless you in the Lord Jesus Christ. '92 Ford Mustang GT: 385"/6.3L SBF, Dart SHP 8.2 block, Eagle 3.470" forged steel crankshaft & H-beam rods, Wiseco 4.200" forged pistons, Trick Flow Twisted Wedge 11R 205 CNC Comp Ported heads, 12:1 …OK, guys let me start off by saying I wanted to exhaust every mechanical issue and read some posts and input I could think of before posting another crumby idle post. LOL. '68 Camaro ZZ502 Tanks Inc. fuel tank -6AN supply & return. (fuel psi good) spark is still GM HEI (new rotor, Coil, Cap, Plug wires, plugs, timing verified good) and battery ...Troubleshooting HyperSpark Sniper. If you have spark at the coil, but not at the plugs, there's something wrong with the link between the two. It either has to be a bad rotor, a bad cap or a bad coil wire. Even though the EFI is controlling the timing, the distribution of spark is all still purely mechanical.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. ... Also, the Holley Sniper EFI will intermittently inhibit Closed Loop at idle, if the ...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. Holley "Muscle Car" in-tank fuel pump with self return.Next, disconnect the yellow Sniper wire from the negative side of the coil. To avoid dumping fuel from each start attempt, pull the fuel pump relay. Crank the engine and check for spark. If somehow your wiring is an issue, you may find that the engine tries to start on the residual fuel from your other testing.
Tweet. #1. Feedback on Sniper 2. 01-15-2024, 07:17 PM. It’s only been about six months since the release of Sniper 2, but still I'm looking for any data on successes or problems.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.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:11-07-2023, 06:05 PM. Looks like your Base Fuel Table is too rich, so whenever the Sniper is in Open Loop the engine runs rich. 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. You should reduce the Base Fuel Table by 20% and then try it again.
Greetings and Happy Easter! I switched from Sniper 1 to Sniper 2, and since my install the car idles weird and stumbles (AFR spikes) after a stab at the throttle. On the freeway it runs OK in both stop & go, and in slightly spirited cruise. I see the AFR all bonkers on the graph. I swapped the WBO2 sensor and no difference.Help, Sniper Troubles. 03-27-2023, 07:34 AM. I have just completed the installation of a 671 Supercharger on my 454 Gen 6 BBC. While upgrading I decided, (hopefully not poorly as I am feeling right now), to upgrade to Holley Sniper EFI. I used the 8 injector 2x4 Super Sniper system, installed an in-tank fuel pump with return, a boost referenced ...Tweet. #1. New Sniper EFI Software Issue. 09-06-2022, 02:37 PM. I just downloaded the newest Sniper EFI software to help a customer who's datalogs could only be read with it. Now looking at older datalogs some information is way off like showing literally 2 billion RPM.…
Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Share. Tweet. #1. New Sniper 2 Stalling. 10-12-2023, 07:52 AM. Gree. Possible cause: Please be aware that this is a community forum. Although Holley employees.
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. ... So I’ve seen some posts about this, but I'm looking for a more definitive answer. I have Holley Sniper EFI, Holley HyperSpark …Sniper 2 almost dies when put into gear. 05-03-2024, 09:08 AM. Got an odd one. Sniper 2, basically stock Mopar 383 with a mild cam with 5000 miles on it. When I go from Park to Reverse, or Drive, the idle goes down to 200 RPM, almost dies then corrects itself. I've tried different IDLE speeds, from 650 up to 880 and no difference.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. ... Specs: Holley Sniper 550-511. 1973 AMC 360 bored .030". Stockish compression. Comp cam 270H. Edelbrock RPM Air-Gap Intake. D.U.I …
Aug 10, 2020. #1. I'm looking at upgrading my 76 with the Holley Sniper EFI. I currently have a Weber Carb that I can't seem to keep running right. It's always running too rich …#1 · Jan 7, 2019. 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. Ultimately, I ordered …Sniper EFI sputter/misfire when hot. 07-26-2018, 05:18 AM. Hi guys. First time posting in the forum because there's still some small items I can not sort out on my own. I installed the Sniper EFI on my SBC 360 with Vortec heads, Edelbrock Performer RPM intake and mild cam using a 1" 4-hole carb spacer. Startup & idle is perfect.
My Sniper Learning Curve. 01-08-2023, 10:44 PM. H Hey guys, Trying to decide what intake manifold to go with on my upcoming built motor. Plan on revving to 7700-7800 and don't want any flatlining problems. Debating on going with the GT350 or the Holley Sniper manifold. I like the look of the Sniper better and it's much cheaper. Which...Thanks in advance. Wez. I believe the default location when saving a Config File from the PC software is on the C:Drive in a folder in Documents>Holley>Sniper>Config Files>Custom Cals. But certainly if you have the SD card installed you can "Save As" and navigate to the card. 07-21-2017, 07:44 AM. Some users of the Sniper EFIIdle to full throttle help. 04-08-2024, 08:01 PM. 350 Pontiac, bor 02-12-2023, 11:23 AM. Most likely the Blanking value, but it could also be a mechanical problem or a wiring problem. Closed Loop pays a lot of attention to TPS as well as other engine parameters. If anything is jittery then Closed Loop will kick off. Look at your datalogs. To do this, open up the Initial Startup gauge screen that was used i 06-27-2022, 08:51 AM. I'm experiencing a very lean condition with light acceleration. When I ease into the throttle to just drive ahead a few feet the AFR goes to 18 - 20 and the engine nearly dies. If you really whack the throttle it responds great. 355 SBC, Victor Jr. heads, 240°/245° @ .050 Hydraulic roller cam. Tweet. #1. Sniper EFI Tuning Basics. 12-08-2020, 08:59 Aadjust the idle screw until the IAC Position reads between 2 and 1Climate-related issues take the top three spot 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 ...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. ... New engine, new aluminum heads, new Sniper all coming together at once. Took the ... Please be aware that this is a community forum May 8, 2024 · 02-02-2023, 12:00 AM. Holley Forum User Support. Questions for the moderators - This is for questions regarding user accounts, log in issues, how to use the forum, etc. Please post technical discussion regarding product in the user discussion spaces in the brand areas. Topics: 33 Posts: 125.06-18-2019, 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 … Please be aware that this is a community forum. Althoug[Please be aware that this is a community forum. Although HPlease be aware that this is a community forum. Although Ho No Spark. 08-06-2022, 03:05 PM. Well I sure have been going through it with this system. I lost spark, it starts sometimes but runs rough then dies, and won't run, it won't spark. I went through the diagnostic test with a tech over the phone. He determined that the ECU was faulty, I sent it back and they said it was good.