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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: 12,187
    10-12-2010, 04:57 PM Go to last post
    • Replies: 0
    • Views: 12,891
    07-12-2010, 04:14 PM Go to last post
  1. Which kit and add one for turbo 351W?

    Started by 351w, Yesterday 09:20 PM
    • Replies: 5
    • Views: 11
    Yesterday, 11:36 PM Go to last post
  2. Looking for a review of a tune.

    Started by lunati397, 08-13-2018 02:12 PM
    • Replies: 6
    • Views: 86
    Yesterday, 10:21 PM Go to last post
    • Replies: 7
    • Views: 142
    Yesterday, 01:10 PM Go to last post
  3. Basic 2-Step/Transbrake Wiring

    Started by Imlach90, 08-16-2018 05:06 PM
    • Replies: 1
    • Views: 28
    08-16-2018, 11:38 PM Go to last post
  4. Hard Start Problem

    Started by L0sts0ul, 08-16-2018 03:35 PM
    • Replies: 1
    • Views: 27
    08-16-2018, 03:45 PM Go to last post
  5. 2-Step/Transbrake internal software question.

    Started by L0sts0ul, 08-16-2018 10:41 AM
    • Replies: 1
    • Views: 28
    08-16-2018, 12:17 PM Go to last post
  6. 3.5" TSLCD connection to 558-104 MPFI harness.

    Started by Imlach90, 08-14-2018 03:29 PM
    • Replies: 3
    • Views: 34
    08-15-2018, 03:47 AM Go to last post
  7. Lean Protection

    Started by George F, 08-13-2018 06:12 PM
    • Replies: 5
    • Views: 108
    08-14-2018, 11:25 AM Go to last post
  8. Vehicle Speed Based 2-Step

    Started by RiskyRick, 08-09-2018 11:56 AM
    • Replies: 2
    • Views: 58
    08-14-2018, 10:27 AM Go to last post
  9. Off Line Stumble

    Started by 1964fairlane, 08-13-2018 04:55 PM
    • Replies: 4
    • Views: 89
    08-14-2018, 07:08 AM Go to last post
  10. Was running great, now stalling.

    Started by pjones, 08-09-2018 08:00 PM
    • Replies: 5
    • Views: 124
    08-13-2018, 07:51 PM Go to last post
  11. Let me help you with Injector End Angle.

    Started by allan5oh, 07-06-2018 11:32 PM
    4 Pages
    1 2 3 ... 4
    • Replies: 35
    • Views: 1,505
    08-13-2018, 03:58 PM Go to last post
  12. Rev Limiter

    Started by Cobranick, 08-06-2018 01:51 PM
    • Replies: 8
    • Views: 181
    08-13-2018, 02:41 PM Go to last post
  13. Popping, backfiring under light acceleration.

    Started by Calypso, 08-12-2018 03:47 PM
    • Replies: 4
    • Views: 74
    08-13-2018, 05:56 AM Go to last post
  14. Can I stage fuel pumps with HP EFI?

    Started by Imlach90, 08-12-2018 06:34 AM
    • Replies: 3
    • Views: 55
    08-12-2018, 11:04 AM Go to last post
    • Replies: 2
    • Views: 45
    08-11-2018, 05:10 PM Go to last post
  15. Question Jeep 4.0 Cam & Crank sensors?

    Started by Jeep4.7, 08-09-2018 01:37 PM
    • Replies: 6
    • Views: 62
    08-10-2018, 11:51 AM Go to last post
  16. Harness setup for a turbo SBF with LSx coils.

    Started by NC STANG GUY, 08-09-2018 05:14 PM
    • Replies: 2
    • Views: 48
    08-10-2018, 12:06 AM Go to last post
  17. Cam & crank signals.

    Started by camaro95, 08-06-2018 09:40 PM
    • Replies: 1
    • Views: 64
    08-06-2018, 11:47 PM Go to last post
  18. HP with Digital Dash

    Started by UPR808, 08-06-2018 02:41 PM
    • Replies: 1
    • Views: 56
    08-06-2018, 02:42 PM Go to last post
  19. Unstable Idle

    Started by John, 07-11-2018 01:59 PM
    5 Pages
    1 2 3 ... 5
    • Replies: 46
    • Views: 1,104
    08-05-2018, 11:45 PM Go to last post
    • Replies: 0
    • Views: 42
    08-05-2018, 02:40 PM Go to last post
  20. New Holley 58mm TPI throttle body & high idle.

    Started by Abubaca, 08-04-2018 08:25 AM
    • Replies: 2
    • Views: 64
    08-04-2018, 12:51 PM Go to last post
  21. Injector End Angle

    Started by Crusader, 08-04-2018 03:27 AM
    • Replies: 1
    • Views: 107
    08-04-2018, 10:55 AM Go to last post
  22. Actual AFR not matching Target AFR.

    Started by Keith Kile, 07-31-2018 01:27 PM
    • Replies: 4
    • Views: 163
    08-04-2018, 08:14 AM Go to last post

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