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Forum: HP EFI

HP EFI Tuning & Tech

  1. Sticky Thread Sticky: HP Potential RPM Input Problem

    Started by Doug F, 10-12-2010 04:57 PM
    • Replies: 0
    • Views: 21,313
    10-12-2010, 04:57 PM Go to last post
    • Replies: 0
    • Views: 22,352
    07-12-2010, 04:14 PM Go to last post
  1. Let me help you with Injector End Angle.

    Started by allan5oh, 07-06-2018 11:32 PM
    10 Pages
    1 2 3 ... 10
    • Replies: 97
    • Views: 19,101
    Today, 07:18 PM Go to last post
  2. Slow Sample Rate

    Started by BuaAuto, 01-30-2021 07:36 PM
    • Replies: 1
    • Views: 651
    Today, 02:48 PM Go to last post
    • Replies: 6
    • Views: 216
    Today, 01:51 PM Go to last post
  3. Problem reverting back to V5 update.

    Started by naif, 02-03-2021 01:38 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,236
    Today, 09:43 AM Go to last post
  4. Loss RPM sync during run, but still runs.

    Started by turbofreak, 07-23-2020 09:19 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 2,400
    02-27-2021, 01:03 PM Go to last post
  5. Sniper touchscreen with HP EFI?

    Started by 88 347 stroker, 02-18-2021 09:45 AM
    • Replies: 3
    • Views: 301
    02-26-2021, 08:50 AM Go to last post
  6. Datalog File Updates

    Started by Bluejinx202, 02-21-2021 11:21 PM
    • Replies: 0
    • Views: 209
    02-21-2021, 11:21 PM Go to last post
  7. HP Update Problems

    Started by mf6, 02-21-2021 05:26 AM
    • Replies: 0
    • Views: 270
    02-21-2021, 05:26 AM Go to last post
  8. 351W Throttle Position Sensor

    Started by Donski, 02-18-2021 04:16 PM
    • Replies: 2
    • Views: 349
    02-18-2021, 05:46 PM Go to last post
    • Replies: 3
    • Views: 316
    02-17-2021, 03:52 PM Go to last post
  9. Holley HP, no start.

    Started by 79Firebirddave, 02-14-2021 12:13 PM
    3 Pages
    1 2 3
    • Replies: 23
    • Views: 926
    02-16-2021, 06:40 PM Go to last post
  10. All in one test stand harness.

    Started by hotrodg726, 02-16-2021 12:43 AM
    • Replies: 0
    • Views: 312
    02-16-2021, 12:43 AM Go to last post
  11. Ignition Firing?

    Started by masheim, 02-14-2021 06:06 PM
    • Replies: 7
    • Views: 536
    02-15-2021, 02:01 PM Go to last post
  12. Possible to share HP EFI TPS signal wire with Trans Controller?

    Started by unnatrl, 06-17-2014 06:50 PM
    2 Pages
    1 2
    • Replies: 17
    • Views: 10,169
    02-09-2021, 01:32 PM Go to last post
  13. Coyote swap install and first start questions.

    Started by lwarrior1016, 07-21-2020 02:22 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,277
    02-06-2021, 08:27 PM Go to last post
  14. Fuel Learn not working.

    Started by Pro318f, 01-09-2021 07:19 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 1,423
    02-06-2021, 12:32 PM Go to last post
  15. Smart Coil Melted

    Started by Rick Cole, 08-29-2020 03:41 PM
    • Replies: 5
    • Views: 1,340
    02-03-2021, 10:14 AM Go to last post
  16. T56 drop-in Hall-Effect speed sensor.

    Started by Qwktrip, 01-29-2021 03:57 PM
    2 Pages
    1 2
    • Replies: 11
    • Views: 1,133
    02-02-2021, 12:22 PM Go to last post
  17. Injector Wiring Diagram

    Started by Ten Bears, 01-26-2021 04:50 PM
    • Replies: 3
    • Views: 837
    01-31-2021, 07:10 AM Go to last post
  18. New to Holley HP EFI/Pontiac 535

    Started by nmoreilly, 01-27-2021 06:59 PM
    • Replies: 5
    • Views: 924
    01-29-2021, 10:22 AM Go to last post
  19. Holley HP vs Terminator X

    Started by thatsupnow, 01-14-2021 09:39 PM
    2 Pages
    1 2
    • Replies: 10
    • Views: 1,600
    01-24-2021, 11:03 AM Go to last post
  20. Ford Injector Harness 558-209 Pin-Out

    Started by thatsupnow, 01-21-2021 07:09 PM
    • Replies: 1
    • Views: 730
    01-21-2021, 07:28 PM Go to last post
  21. Big Wire CNP coil kit wiring?

    Started by mustang_al308, 01-20-2021 04:03 PM
    • Replies: 0
    • Views: 768
    01-20-2021, 04:03 PM Go to last post
  22. HP/Avenger EFI - VSS/T56 Reverse Lockout

    Started by racindego, 11-01-2014 11:54 AM
    5 Pages
    1 2 3 ... 5
    • Replies: 47
    • Views: 32,431
    01-16-2021, 08:27 PM Go to last post
  23. Hello, I知 a new member with a Holley EFI problem.

    Started by speedball, 01-20-2019 12:32 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 3,424
    01-16-2021, 03:15 PM Go to last post

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