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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: 18,560
    10-12-2010, 04:57 PM Go to last post
    • Replies: 0
    • Views: 19,461
    07-12-2010, 04:14 PM Go to last post
  1. Sudden HP EFI Starting Problem

    Started by hutchenc, Yesterday 01:48 PM
    2 Pages
    1 2
    • Replies: 11
    • Views: 133
    Today, 05:42 PM Go to last post
  2. RPM pulls backward under load.

    Started by lballog, 09-20-2020 10:52 PM
    • Replies: 2
    • Views: 139
    Today, 12:55 AM Go to last post
  3. Ethanol Content Fuel Flow Multiplier

    Started by George F, Yesterday 12:57 PM
    • Replies: 0
    • Views: 39
    Yesterday, 12:57 PM Go to last post
  4. Twin Turbo LSx System Log Question

    Started by Rc 415, 09-21-2020 09:22 PM
    • Replies: 0
    • Views: 74
    09-21-2020, 09:22 PM Go to last post
  5. ECU ignition control not working.

    Started by Jay87, 09-19-2020 06:33 PM
    hp ignition control
    • Replies: 0
    • Views: 93
    09-19-2020, 06:33 PM Go to last post
  6. Frustrating Intermittent Misfire

    Started by alan91z28, 06-10-2020 07:31 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 37
    • Views: 1,781
    09-17-2020, 12:10 PM Go to last post
  7. Battery Backup on Race car

    Started by gregc, 09-14-2020 03:36 PM
    • Replies: 3
    • Views: 222
    09-15-2020, 11:04 PM Go to last post
  8. IAC at 30%, and not moving.

    Started by 427bbc, 09-14-2020 02:23 PM
    • Replies: 2
    • Views: 163
    09-15-2020, 05:59 AM Go to last post
  9. Spark blowout, 585 coils, E85.

    Started by mat50ho, 09-07-2020 04:30 PM
    • Replies: 5
    • Views: 403
    09-13-2020, 06:03 PM Go to last post
  10. Sudden loss of RPM during pull.

    Started by Nigel Tufnel, 08-26-2020 10:33 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 34
    • Views: 1,724
    09-13-2020, 12:19 PM Go to last post
  11. Loses power, running rich.

    Started by bozo@computer.org, 07-26-2020 04:38 PM
    2 Pages
    1 2
    • Replies: 11
    • Views: 634
    09-13-2020, 12:07 PM Go to last post
  12. RPM Error & stalling as engine warms up.

    Started by SE_PC, 09-09-2020 11:57 AM
    • Replies: 1
    • Views: 193
    09-11-2020, 05:31 PM Go to last post
  13. Frequent IAC Problems

    Started by 351W, 08-30-2020 03:52 PM
    • Replies: 6
    • Views: 329
    09-11-2020, 03:17 PM Go to last post
    • Replies: 0
    • Views: 121
    09-11-2020, 12:23 AM Go to last post
  14. HP EFI Hot Start Help

    Started by caryd, 09-08-2020 01:16 PM
    • Replies: 2
    • Views: 180
    09-08-2020, 03:11 PM Go to last post
  15. Holley 558-104 Harness

    Started by Kbchevlvr, 09-08-2020 01:31 PM
    • Replies: 1
    • Views: 102
    09-08-2020, 01:37 PM Go to last post
  16. Terminator to MPFI

    Started by condor7, 05-23-2020 09:11 AM
    • Replies: 5
    • Views: 422
    09-08-2020, 10:44 AM Go to last post
  17. Bad Crank Sensor?

    Started by gregc, 08-18-2020 09:02 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 787
    09-06-2020, 05:54 PM Go to last post
  18. Gen 2 Hemi Parts List

    Started by INTMD8, 08-13-2020 07:12 AM
    3 Pages
    1 2 3
    • Replies: 25
    • Views: 979
    09-06-2020, 01:37 PM Go to last post
  19. No spark on #1 with Digital Falling?

    Started by Khuebner250, 09-06-2020 12:11 PM
    • Replies: 1
    • Views: 140
    09-06-2020, 12:29 PM Go to last post
  20. HP EFI To Dominator ECU

    Started by Paul P, 09-05-2020 08:51 PM
    • Replies: 3
    • Views: 237
    09-05-2020, 09:57 PM Go to last post
  21. Holley EFI Base Timing Tables

    Started by Cyrus, 09-05-2020 01:41 PM
    • Replies: 0
    • Views: 117
    09-05-2020, 01:41 PM Go to last post
  22. C950 To HP Upgrade

    Started by 86 406, 09-04-2020 06:51 PM
    • Replies: 3
    • Views: 184
    09-04-2020, 08:09 PM Go to last post
    • Replies: 15
    • Views: 728
    09-03-2020, 04:12 PM Go to last post
  23. Help Understanding V4 Global Files

    Started by BillW, 08-30-2020 11:36 PM
    • Replies: 4
    • Views: 264
    08-31-2020, 10:59 PM Go to last post

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