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Oct 24, 2025 · 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 …
Forum - Holley Performance Products Forums
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Home - Holley Performance Products Forums
Oct 24, 2025 · Home DescriptionIf 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 …
Dominator EFI - Holley Performance Products Forums
May 29, 2025 · Dominator EFI Tuning & TechIf 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 …
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 …
Revised Sniper 1 Downloads Page - Holley Performance Products …
Jan 11, 2024 · Holley have revised the EFI software/support download page and now have two sections: Sniper 1 version 1.3 Build 50 files and Sniper 1 version 2 files. As stated, the version …
Software Update - Holley Performance Products Forums
Oct 9, 2023 · I'm currently using 2.2.0 Build 4 on my laptop and ECU firmware 00003520. As I read through the release notes, I don't think there are any "new features" that I can …
Engine stalls after a few seconds. - Holley Performance Products …
Jan 9, 2023 · 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 …
Sniper 2 Firmware Update - Holley Performance Products Forums
Aug 24, 2024 · Hi. I have a Sniper 2 model 550-510 with a Sniper Transmission Controller. It appears to have had an older firmware version 102 since these were the file folders on the SD …
Creating Base Timing Table - Several Diffferent Sources - Holley ...
Oct 22, 2021 · Holley has a video which is informative on how to manipulate table variables: How To Build A Custom Timing Table - Sniper EFI. They also have a Jeff Smith guide that …