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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: 14,855
    10-12-2010, 04:57 PM Go to last post
    • Replies: 0
    • Views: 15,549
    07-12-2010, 04:14 PM Go to last post
  1. Battery Volts Read Low

    Started by fj1289, Yesterday 01:53 AM
    • Replies: 2
    • Views: 49
    Yesterday, 08:03 PM Go to last post
  2. C950 Stealth Ram upgrade to HP EFI

    Started by av8, Yesterday 01:03 PM
    • Replies: 1
    • Views: 28
    Yesterday, 01:08 PM Go to last post
  3. IAT Sensor

    Started by LY6, Yesterday 09:20 AM
    • Replies: 1
    • Views: 29
    Yesterday, 11:43 AM Go to last post
  4. Super Sniper Marine Use

    Started by Magic 28, Yesterday 10:39 AM
    • Replies: 0
    • Views: 17
    Yesterday, 10:39 AM Go to last post
  5. Bad HP ECU?

    Started by fj1289, 11-16-2019 08:49 PM
    • Replies: 6
    • Views: 311
    Yesterday, 01:14 AM Go to last post
  6. Cam signal not showing.

    Started by 68n73, 11-25-2019 11:17 AM
    • Replies: 4
    • Views: 198
    12-12-2019, 11:44 AM Go to last post
  7. Nitrous Solenoid Issue

    Started by Patrick_Ls13, 11-23-2019 10:12 PM
    • Replies: 8
    • Views: 281
    12-07-2019, 08:54 PM Go to last post
  8. Holley Factory Training Courses

    Started by steve392, 12-07-2019 08:40 AM
    • Replies: 0
    • Views: 90
    12-07-2019, 08:40 AM Go to last post
  9. Upgrading with the 3.5" touchscreen.

    Started by andyf, 02-13-2019 10:25 AM
    • Replies: 7
    • Views: 679
    12-06-2019, 10:04 PM Go to last post
  10. Holley CAN Bus GPS Speedometer

    Started by cwylie, 11-30-2019 05:52 PM
    • Replies: 1
    • Views: 144
    11-30-2019, 06:05 PM Go to last post
  11. What ignition box?

    Started by ttocs, 11-30-2019 10:08 AM
    • Replies: 3
    • Views: 124
    11-30-2019, 12:35 PM Go to last post
  12. HP/Avenger EFI - VSS/T56 Reverse Lockout

    Started by racindego, 11-01-2014 11:54 AM
    5 Pages
    1 2 3 ... 5
    • Replies: 45
    • Views: 24,153
    11-30-2019, 10:40 AM Go to last post
  13. 558-117 and sub-harness.

    Started by LB9GTA, 11-28-2019 10:34 PM
    • Replies: 3
    • Views: 130
    11-29-2019, 12:48 PM Go to last post
  14. Question Cam Sync Issue

    Started by Jeep4.7, 11-03-2019 10:50 PM
    2 Pages
    1 2
    • Replies: 10
    • Views: 429
    11-26-2019, 11:51 AM Go to last post
  15. Holley EFI & Ford TFI

    Started by CL4Ns, 11-19-2019 07:20 AM
    2 Pages
    1 2
    tfi
    • Replies: 11
    • Views: 578
    11-23-2019, 08:17 AM Go to last post
  16. Nitrous Wiring

    Started by Patrick_Ls13, 11-20-2019 11:12 PM
    • Replies: 3
    • Views: 101
    11-21-2019, 12:31 AM Go to last post
  17. Gets Rich At Idle

    Started by 434Monte, 06-13-2016 03:47 PM
    2 Pages
    1 2
    • Replies: 10
    • Views: 3,140
    11-18-2019, 08:49 AM Go to last post
  18. V5 Stage Assist Wiring

    Started by Five O, 11-15-2019 10:59 AM
    • Replies: 0
    • Views: 126
    11-15-2019, 10:59 AM Go to last post
  19. Custom MAT Sensor - Calibration Curve Data

    Started by fj1289, 11-13-2019 07:20 PM
    • Replies: 3
    • Views: 103
    11-14-2019, 12:34 AM Go to last post
  20. Cam/crank randomly not syncing.

    Started by RealTeal93, 04-22-2019 03:21 PM
    • Replies: 9
    • Views: 737
    11-13-2019, 03:03 PM Go to last post
  21. Pro Dash - GPS Direction

    Started by doctorpd, 11-12-2019 12:01 AM
    • Replies: 0
    • Views: 84
    11-12-2019, 12:01 AM Go to last post
  22. Pro Dash Screens - Create

    Started by doctorpd, 11-11-2019 11:56 PM
    pro dash
    • Replies: 0
    • Views: 102
    11-11-2019, 11:56 PM Go to last post
  23. Holley EFI cold engine tip-in surge helper table.

    Started by Timjus, 11-07-2019 02:02 PM
    • Replies: 5
    • Views: 200
    11-11-2019, 01:19 PM Go to last post
  24. CAN Bus 2-Pin Extension

    Started by bloodhound, 11-07-2019 12:41 PM
    • Replies: 3
    • Views: 119
    11-11-2019, 12:18 PM Go to last post
  25. Rough RPM Signal/Trace

    Started by bWright, 11-02-2019 09:42 AM
    • Replies: 1
    • Views: 202
    11-11-2019, 08:28 AM Go to last post

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