
Holley EFI
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 …
V2 EFI software upgrade on Gen 1. - Holley Performance Products …
Jun 12, 2024 · I just noticed that the V2 EFI software supports both Sniper 1 & 2, but I saw the note in the overview that say call Holley because V1.3 needs a special update. Is the update worth doing …
Which Trans ICF for manual transmission VSS? - forums.holley.com
Aug 5, 2024 · I have a Terminator X Max in a Fox Mustang with a manual transmission in. Since I have the Terminator X Max, I did wire up the VSS when I installed the system, but haven't worried about …
Universal Terminator X - Holley Performance Products Forums
Jun 21, 2021 · 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 …
Rough idle, missing, etc., ALL SOLVED! - Holley Performance Products …
May 24, 2024 · A story with a great ending! I finished my Factory Five Roadster about a year ago. I'm running a brand new Ford Racing 302 crate engine with a Holley Sniper. From day one, I've been …
Holley Terminator X Max & Dakota Digital Gauges
Jan 9, 2025 · Discussion on connecting Holley Terminator X Max with Dakota Digital Gauges and troubleshooting issues related to compatibility and wiring.
Alternator Requirements - Holley Performance Products Forums
Mar 15, 2024 · Greetings, obviously this is my first of likely many posts. I'm planning my build and I need to figure out if a 1-wire alternator 100 amp is going to do the trick with Sniper 2 and HyperSpark …
Getting Dome Pressure close to Boost Pressure. - Holley Performance ...
Jul 31, 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 …
Updated Holley LS Main Harness Schematics
Apr 3, 2023 · The 558-102 & 558-103 Holley harness schematics are the older version and don't help. I've done some searching and can't find one other than the Hemi version and I don't think it's close …
Learning Mode - Holley Performance Products Forums
Dec 12, 2017 · Just like a factory 2BBL carb works in the same basic way as a 4BBL Holley Double Pumper, the basic principle of the Sniper EFI is the same as with GM's '80s TBI. The Sniper is just …