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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 …
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 …
Forum - Holley Performance Products Forums
Oct 24, 2025 · Forum 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 …
Sniper & A/C - Holley Performance Products Forums
The Holley Terminator, HP & Dominator EFI V5 EFI software/ECU firmware finally added an A/C activated option for the electric fans. The Holley Terminator X/X Max EFI V2 EFI software/ECU …
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 …
Modernize Your Small Block Chevy Engine With Holley’s SBC Hi …
Nov 11, 2024 · I posted the question to Holley's comment section on the video see if I get a reply. HP EFI V4, 388cid Stealth Ram, 1000 CFM 58mm throttle body, Holley Dual Sync Distributor. …
Terminator EFI - Holley Performance Products Forums
Terminator 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 above to …
Dominator EFI - Holley Performance Products Forums
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 above to …
Sniper EFI - Holley Performance Products Forums
5 days ago · Sniper 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 …
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 …