Jul 6, 2017 · Holley Tech had me perform a couple of tests and determined the unit should be returned for further analysis. Holley determined the ECU needed replacing and they performed the repair. …

Sep 5, 2019 · 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 …

Sep 6, 2022 · 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 …

Dec 26, 2023 · Have a Sniper Stealth. Everything has been running incredible. Had the car dyno tuned. Four track days and 500 street miles with no issues. Only issue this season is some oil from my PCV …

I have the new Terminator X and unfortunately it had a fault with the 5V reference not supplying any voltage. Holley tech has been great service and asked for it to be sent back. The problem is I'm in …

May 21, 2021 · The Holley supplied coolant temperature sensors are notorious for reading high when cold and then cooler than actual when hot. The engine temperature could easily be 20°F to 30°F …

Feb 15, 2023 · Can't seem to get the idle down below 900 RPM. My target idle is 700 RPM. IAC is zero. Somewhat new installation. Ford 302 with MSD CDI box, Sniper 550-511.

Aug 9, 2019 · 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 …

Dec 7, 2021 · Sniper EFI Tuning & Tech I'd like to get some suggestions from you guys. I'd really like to move toward timing control, but nobody out there makes a distributor for my engine. The …

May 18, 2020 · 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 …