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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 will take part in …
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 proceed. To …
Forum - Holley Performance Products Forums
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 proceed. To start viewing …
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 …
Terminator X EFI - Holley Performance Products Forums
Aug 15, 2025 · Terminator X 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 …
Brushless PWM Fans - Holley Performance Products Forums
Jul 25, 2023 · This thread is a pictorial summary of my use of SPAL Brushless cooling fans with Holley EFI, and linked from andrewb70 topic on same concept using larger, single GM OEM SPAL …
Useful Sniper EFI Information - Holley Performance Products Forums
Jul 21, 2017 · Holley EFI Video on Potential Problems: Potential Install Problems Holley EFI Video on Bad Wiring Practices: Bad Wiring Practices Holley EFI Video on Protecting Wiring Properly: …
Holley EFI Software HotKeys for Quick Keyboard Navigaton
Oct 31, 2015 · Holley EFI Software HotKeys for Quick Keyboard Navigaton 10-31-2015, 11:50 AM Several people have asked me if there were any Hot Keys in the EFI software, to make navigation …
Universal Terminator X - Holley Performance Products Forums
Jun 21, 2021 · I have the Holley 550-936 Terminator X Kit, and added CNP harness 558-307. Running Dual Sync on a Mark IV BBC.
Sniper EFI - Holley Performance Products Forums
Nov 30, 2025 · 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 above to …