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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: 13,252
    10-12-2010, 04:57 PM Go to last post
    • Replies: 0
    • Views: 13,950
    07-12-2010, 04:14 PM Go to last post
    • Replies: 3
    • Views: 40
    Today, 05:29 PM Go to last post
  1. How can you tell if ECU is bad?

    Started by rh454magic, Today 08:40 AM
    • Replies: 0
    • Views: 28
    Today, 08:40 AM Go to last post
    • Replies: 2
    • Views: 106
    Today, 01:09 AM Go to last post
  2. HP EFI Software

    Started by ttocs, 03-12-2019 06:24 PM
    5 Pages
    1 2 3 ... 5
    • Replies: 46
    • Views: 555
    Yesterday, 11:08 AM Go to last post
  3. Question Fuel gauge sending unit wiring.

    Started by paddyrk, 03-15-2019 06:19 PM
    • Replies: 3
    • Views: 80
    Yesterday, 01:54 AM Go to last post
  4. HP ECU/Kit 550-606 from 2014/2015, same as today?

    Started by ragtop50, 03-16-2019 08:59 AM
    • Replies: 1
    • Views: 43
    03-16-2019, 09:25 AM Go to last post
  5. Fuel Pressure Compensation, free for everyone.

    Started by allan5oh, 03-11-2019 03:17 AM
    2 Pages
    1 2
    • Replies: 11
    • Views: 440
    03-15-2019, 01:34 PM Go to last post
  6. IAC sticks at 63%.

    Started by UARPerformance, 02-28-2019 04:52 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 379
    03-14-2019, 01:08 PM Go to last post
  7. CNP with Dual Sync Distributor.

    Started by CJ Motorsports, 03-12-2019 04:05 PM
    • Replies: 1
    • Views: 91
    03-13-2019, 01:49 PM Go to last post
  8. Two sets of injectors on a 4 cylinder?

    Started by Leathalbusa, 03-11-2019 09:02 PM
    • Replies: 2
    • Views: 77
    03-12-2019, 11:08 PM Go to last post
  9. Gen III Hemi DBW to DBC throttle body IAC/TPS issue.

    Started by FishStyx, 03-10-2019 10:54 AM
    2 Pages
    1 2
    • Replies: 12
    • Views: 253
    03-12-2019, 12:55 PM Go to last post
  10. Heavy flooding at start.

    Started by OldHack, 03-02-2019 08:39 PM
    2 Pages
    1 2
    • Replies: 14
    • Views: 475
    03-11-2019, 04:14 PM Go to last post
  11. Nitrous ICF

    Started by fishmasterdan, 03-09-2019 06:00 PM
    • Replies: 6
    • Views: 147
    03-10-2019, 05:21 PM Go to last post
  12. Stumble at 4K RPM under acceleration.

    Started by riche, 06-22-2018 07:20 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 755
    03-10-2019, 04:05 PM Go to last post
  13. Injector End Angle Tuning

    Started by 81 TransAm, 09-15-2017 10:01 PM
    7 Pages
    1 2 3 ... 7
    • Replies: 63
    • Views: 8,171
    03-09-2019, 11:09 AM Go to last post
  14. Exclamation Digital Dash I/O Harness

    Started by paddyrk, 03-07-2019 04:24 PM
    • Replies: 3
    • Views: 132
    03-07-2019, 05:35 PM Go to last post
  15. Online Training

    Started by fastmanefi, 10-24-2017 02:04 PM
    6 Pages
    1 2 3 ... 6
    • Replies: 57
    • Views: 9,207
    03-05-2019, 12:58 PM Go to last post
  16. Nitrous Activation

    Started by sx455, 03-05-2019 07:15 AM
    • Replies: 1
    • Views: 115
    03-05-2019, 07:45 AM Go to last post
  17. Learn Table

    Started by sx455, 03-04-2019 02:43 PM
    • Replies: 3
    • Views: 147
    03-05-2019, 06:59 AM Go to last post
  18. Question 7" Digital Dash Fuel Level

    Started by paddyrk, 02-27-2019 08:34 AM
    • Replies: 4
    • Views: 238
    03-04-2019, 11:57 PM Go to last post
  19. HP 550-606 installation in '93 Mustang.

    Started by Gene, 02-03-2019 12:55 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 442
    03-04-2019, 11:12 PM Go to last post
  20. Question Minimum Timing Values

    Started by paddyrk, 02-28-2019 04:41 PM
    • Replies: 3
    • Views: 150
    03-01-2019, 12:36 AM Go to last post
  21. Holley Hall-Effect sensor wiring question.

    Started by BlownTransAM, 02-27-2019 08:47 AM
    • Replies: 3
    • Views: 220
    02-28-2019, 12:13 AM Go to last post
  22. Question Ford IAC body for HP EFI.

    Started by paddyrk, 02-19-2019 12:07 AM
    2 Pages
    1 2
    • Replies: 11
    • Views: 546
    02-27-2019, 12:54 AM Go to last post
  23. Timing questions/issues.

    Started by TurboCow, 02-25-2019 11:29 AM
    • Replies: 6
    • Views: 221
    02-25-2019, 04:03 PM Go to last post

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