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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: 15,566
    10-12-2010, 04:57 PM Go to last post
    • Replies: 0
    • Views: 16,333
    07-12-2010, 04:14 PM Go to last post
  1. Growing Project Recomendation

    Started by Mark B, 01-14-2020 10:13 AM
    3 Pages
    1 2 3
    • Replies: 22
    • Views: 896
    01-20-2020, 08:18 AM Go to last post
  2. IAC not holding % and no power when fast throttle rev.

    Started by splithigh, 01-18-2020 04:11 PM
    2 Pages
    1 2
    • Replies: 12
    • Views: 507
    01-19-2020, 12:55 PM Go to last post
  3. Question Coil-On-Plug & Terminator Questions

    Started by landpilot, 01-13-2020 11:51 PM
    2 Pages
    1 2
    • Replies: 11
    • Views: 510
    01-15-2020, 07:15 PM Go to last post
  4. HyperSpark distributor with HP ECU?

    Started by AndyF, 01-14-2020 06:23 PM
    • Replies: 7
    • Views: 333
    01-15-2020, 04:00 PM Go to last post
  5. Oil Pressure/Oil Temp Sensor Wiring

    Started by Jart, 01-02-2020 02:11 PM
    • Replies: 5
    • Views: 346
    01-14-2020, 07:05 PM Go to last post
  6. Holley HP EFI vs J&S Vampire

    Started by JCDriller, 01-14-2020 10:18 AM
    • Replies: 2
    • Views: 249
    01-14-2020, 02:29 PM Go to last post
  7. Injector End Angle Tuning

    Started by 81 TransAm, 09-15-2017 10:01 PM
    10 Pages
    1 2 3 ... 10
    • Replies: 97
    • Views: 18,992
    01-12-2020, 12:15 PM Go to last post
  8. TPS Needs Cal & AFR Left not connected. Help.

    Started by splithigh, 01-11-2020 05:00 PM
    • Replies: 6
    • Views: 203
    01-11-2020, 07:09 PM Go to last post
  9. TPS Autoset Needed After Stalling

    Started by BigDumbRedneck, 01-07-2020 04:44 PM
    • Replies: 0
    • Views: 182
    01-07-2020, 04:44 PM Go to last post
  10. Digital Dash doesn't see HP ECU.

    Started by scott stricker, 01-06-2020 02:38 PM
    • Replies: 0
    • Views: 151
    01-06-2020, 02:38 PM Go to last post
  11. V4 to V5 for dummies like me.

    Started by jimbo72, 12-31-2019 08:28 AM
    • Replies: 6
    • Views: 429
    01-05-2020, 11:35 PM Go to last post
  12. MAP sensor not reading.

    Started by Lethl03, 01-05-2020 12:32 AM
    • Replies: 6
    • Views: 275
    01-05-2020, 02:51 AM Go to last post
  13. No start after sitting for two months.

    Started by ttocs, 12-23-2019 04:42 PM
    3 Pages
    1 2 3
    • Replies: 23
    • Views: 998
    01-04-2020, 03:21 PM Go to last post
  14. Battery Volts Read Low

    Started by fj1289, 12-14-2019 01:53 AM
    • Replies: 5
    • Views: 401
    12-31-2019, 12:03 AM Go to last post
  15. Holley HP Fuel Pressure - Low Err

    Started by The Varmit, 12-28-2019 08:17 PM
    • Replies: 4
    • Views: 233
    12-30-2019, 06:57 PM Go to last post
  16. HP in Turbo Buick - No Timing Control

    Started by kwiktsi, 04-12-2016 12:30 PM
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 7,381
    12-29-2019, 03:05 PM Go to last post
  17. Why do I keep burning up WBO2 sensors?

    Started by MK Ultra, 12-28-2019 04:02 PM
    • Replies: 8
    • Views: 358
    12-29-2019, 03:19 AM Go to last post
  18. Understanding A/F Ratio At Idle

    Started by Qwktrip, 10-16-2016 09:28 PM
    3 Pages
    1 2 3
    • Replies: 20
    • Views: 5,817
    12-26-2019, 11:33 AM Go to last post
  19. HP EFI Questions

    Started by Vintage chromoly, 12-18-2019 03:29 PM
    • Replies: 7
    • Views: 509
    12-19-2019, 10:11 AM Go to last post
  20. C950 Stealth Ram upgrade to HP EFI

    Started by av8, 12-14-2019 01:03 PM
    • Replies: 3
    • Views: 281
    12-17-2019, 05:07 PM Go to last post
  21. IAT Sensor

    Started by LY6, 12-14-2019 09:20 AM
    • Replies: 1
    • Views: 226
    12-14-2019, 11:43 AM Go to last post
  22. Bad HP ECU?

    Started by fj1289, 11-16-2019 08:49 PM
    • Replies: 6
    • Views: 611
    12-14-2019, 01:14 AM Go to last post
  23. Cam signal not showing.

    Started by 68n73, 11-25-2019 11:17 AM
    • Replies: 4
    • Views: 425
    12-12-2019, 11:44 AM Go to last post
  24. Nitrous Solenoid Issue

    Started by Patrick_Ls13, 11-23-2019 10:12 PM
    • Replies: 8
    • Views: 573
    12-07-2019, 08:54 PM Go to last post
  25. Holley Factory Training Courses

    Started by steve392, 12-07-2019 08:40 AM
    • Replies: 0
    • Views: 279
    12-07-2019, 08:40 AM Go to last post

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