About 204,000 results
Open links in new tab
  1. 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 …

  2. 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 …

  3. Engine stalls after a few seconds. - Holley Performance Products Forums

    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 guarantee an …

  4. 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 …

  5. Sniper CAN Bus Data Stream Channel Allocations - Holley Performance ...

    Aug 14, 2024 · I did manage to CAN Bus Data Stream Channel Allocations from the Cable Adapter Instructions (280-CA-EFIHOLMX), which also suit Holley Dominator & HP ECUs, but can see from …

  6. Engine Stalling Immediately After Start - Holley Performance Products ...

    Jun 14, 2020 · Using the Holley Sniper EFI software (LINK), look at where the live cursor moves to during this occurrence, and manually tune that area of the Base Fuel Table (enrich or lean) & Base …

  7. 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

  8. First Start - Backfire Through Intake - FIXED - Holley Performance ...

    Jul 7, 2025 · First time posting. New Terminator X Max install on rebuilt engine. 6.0L LQ9. I get a nasty backfire right away, when I crank the engine over. I'm using the preconfigured Holley GCF tune as a …

  9. Forums - Holley Performance Products Forums

    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 …

  10. Sensor Diagnostics & Datalogs - Holley Performance Products Forums

    Jul 24, 2012 · These can be used by Holley Technical Services to help a customer diagnose various issues. If you have an issue with the crank/cam signals, WBO2 Sensors, Boost Control, or …