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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: 15,185
    10-12-2010, 04:57 PM Go to last post
    • Replies: 0
    • Views: 15,903
    07-12-2010, 04:14 PM Go to last post
  1. Intermittent RPM Signal

    Started by andyfanshawe, 01-19-2020 04:06 PM
    • Replies: 4
    • Views: 115
    Today, 04:21 AM Go to last post
  2. Growing Project Recomendation

    Started by Mark B, 01-14-2020 10:13 AM
    3 Pages
    1 2 3
    • Replies: 22
    • Views: 437
    01-20-2020, 08:18 AM Go to last post
  3. 3.5" LCD Touchscreen

    Started by kingtramp, 01-19-2020 03:57 PM
    • Replies: 3
    • Views: 56
    01-19-2020, 06:02 PM Go to last post
  4. 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: 174
    01-19-2020, 12:55 PM Go to last post
  5. PWM Electric Fan Control (Again)

    Started by racindego, 07-31-2019 03:46 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 1,183
    01-16-2020, 11:42 AM Go to last post
  6. Question Coil-On-Plug & Terminator Questions

    Started by landpilot, 01-13-2020 11:51 PM
    2 Pages
    1 2
    • Replies: 11
    • Views: 201
    01-15-2020, 07:15 PM Go to last post
  7. HyperSpark distributor with HP ECU?

    Started by andyf, 01-14-2020 06:23 PM
    • Replies: 7
    • Views: 94
    01-15-2020, 04:00 PM Go to last post
  8. Oil Pressure/Oil Temp Sensor Wiring

    Started by Jart, 01-02-2020 02:11 PM
    • Replies: 5
    • Views: 131
    01-14-2020, 07:05 PM Go to last post
  9. Holley HP EFI vs J&S Vampire

    Started by JCDriller, 01-14-2020 10:18 AM
    • Replies: 2
    • Views: 78
    01-14-2020, 02:29 PM Go to last post
  10. Injector End Angle Tuning

    Started by 81 TransAm, 09-15-2017 10:01 PM
    10 Pages
    1 2 3 ... 10
    • Replies: 97
    • Views: 17,757
    01-12-2020, 12:15 PM Go to last post
  11. TPS Needs Cal & AFR Left not connected. Help.

    Started by splithigh, 01-11-2020 05:00 PM
    • Replies: 6
    • Views: 91
    01-11-2020, 07:09 PM Go to last post
  12. Can HP do a "Virtual' Output?

    Started by fj1289, 01-10-2020 09:03 PM
    • Replies: 7
    • Views: 119
    01-11-2020, 04:45 PM Go to last post
  13. CAN Addresses

    Started by luigi, 01-09-2020 01:26 PM
    • Replies: 4
    • Views: 134
    01-11-2020, 02:50 AM Go to last post
  14. TPS Autoset Needed After Stalling

    Started by BigDumbRedneck, 01-07-2020 04:44 PM
    • Replies: 0
    • Views: 86
    01-07-2020, 04:44 PM Go to last post
  15. Digital Dash doesn't see HP ECU.

    Started by scott stricker, 01-06-2020 02:38 PM
    • Replies: 0
    • Views: 67
    01-06-2020, 02:38 PM Go to last post
  16. V4 to V5 for dummies like me.

    Started by jimbo72, 12-31-2019 08:28 AM
    • Replies: 6
    • Views: 223
    01-05-2020, 11:35 PM Go to last post
  17. MAP sensor not reading.

    Started by Lethl03, 01-05-2020 12:32 AM
    • Replies: 6
    • Views: 139
    01-05-2020, 02:51 AM Go to last post
  18. No start after sitting for two months.

    Started by ttocs, 12-23-2019 04:42 PM
    3 Pages
    1 2 3
    • Replies: 23
    • Views: 595
    01-04-2020, 03:21 PM Go to last post
  19. Battery Volts Read Low

    Started by fj1289, 12-14-2019 01:53 AM
    • Replies: 5
    • Views: 279
    12-31-2019, 12:03 AM Go to last post
  20. Holley HP Fuel Pressure - Low Err

    Started by The Varmit, 12-28-2019 08:17 PM
    • Replies: 4
    • Views: 123
    12-30-2019, 06:57 PM Go to last post
  21. HP in Turbo Buick - No Timing Control

    Started by kwiktsi, 04-12-2016 12:30 PM
    3 Pages
    1 2 3
    • Replies: 29
    • Views: 6,986
    12-29-2019, 03:05 PM Go to last post
  22. Why do I keep burning up WBO2 sensors?

    Started by MK Ultra, 12-28-2019 04:02 PM
    • Replies: 8
    • Views: 189
    12-29-2019, 03:19 AM Go to last post
  23. Understanding A/F Ratio At Idle

    Started by Qwktrip, 10-16-2016 09:28 PM
    3 Pages
    1 2 3
    • Replies: 20
    • Views: 5,264
    12-26-2019, 11:33 AM Go to last post
  24. HP EFI Questions

    Started by Vintage chromoly, 12-18-2019 03:29 PM
    • Replies: 7
    • Views: 320
    12-19-2019, 10:11 AM Go to last post
  25. C950 Stealth Ram upgrade to HP EFI

    Started by av8, 12-14-2019 01:03 PM
    • Replies: 3
    • Views: 174
    12-17-2019, 05:07 PM Go to last post

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