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  1. <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 viewing …

  2. Revised Sniper 1 Downloads Page - Holley Performance Products Forums

    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 viewing …

  3. 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 …

  4. V2 EFI software upgrade on Gen 1.

    Jun 12, 2024 · I just noticed that the V2 EFI software supports both Sniper 1 &amp; 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 …

  5. 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 generally a stock …

  6. Selecting pump flow rate for EFI application?

    Feb 5, 2025 · I'm presuming that a pump's flow rate that's sized to be just greater than the EFI's in-use consumption rate will be preferrable to a larger flow rate pump, but how much additional flow rate is …

  7. 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 doesn't match …

  8. 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 firmware, it clearly …

  9. 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 viewing …

  10. 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 in the future …