<img src="//images.holley.com/forum_brand_holleyefi.png" …
Oct 24, 2025 · 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 …
Revised Sniper 1 Downloads Page - Holley Performance Products …
Jan 11, 2024 · 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 …
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 …
Base Timing Table - Holley Performance Products Forums
Feb 10, 2024 · In your Base Timing Table you can easily tolerate and enjoy 6°-8° more timing at idle, 18° to 20° versus the 12.5° you have now. I don't know what heads you have, but …
V2 EFI software upgrade on Gen 1.
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 …
Should I download to ECU, or upload from?
Jul 13, 2019 · I'm still early in the tuning stages and monitoring everything I can. When I reconnect my laptop to the ECU the next day with the same tune still open it tells me that the the fuel …
Where do I get V2.0 Build 50 Terminator X firmware?
Oct 13, 2020 · The minimum software I need is 2.0 Build 50, currently have 2.0 Build 30. So although just ten minutes ago I downloaded and updated what is supposed to be the latest …
Oil Pressure Problem - Holley Performance Products Forums
Aug 25, 2014 · 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 …
Has anyone replaced the Sniper injectors themselves?
Sep 7, 2019 · I'm interested as well. I had one quit on a Sniper 2300 about 10 miles from home. Called Tech support who had me send the entire unit in. I asked specifically if there were plan …
Sniper not connecting with laptop. - Holley Performance Products …
Apr 18, 2022 · Sniper EFI Tuning & TechOriginally Posted by Danny Cabral EFI Software is for the laptop/PC computer. EFI Firmware is for the ECU & touchscreens. The EFI (laptop/PC) …