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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: 12,174
    10-12-2010, 04:57 PM Go to last post
    • Replies: 0
    • Views: 12,872
    07-12-2010, 04:14 PM Go to last post
  1. 3.5" TSLCD connection to 558-104 MPFI harness.

    Started by Imlach90, Yesterday 03:29 PM
    • Replies: 1
    • Views: 13
    Yesterday, 03:53 PM Go to last post
  2. Lean Protection

    Started by George F, 08-13-2018 06:12 PM
    • Replies: 5
    • Views: 77
    Yesterday, 11:25 AM Go to last post
  3. Vehicle Speed Based 2-Step

    Started by RiskyRick, 08-09-2018 11:56 AM
    • Replies: 2
    • Views: 44
    Yesterday, 10:27 AM Go to last post
  4. Off Line Stumble

    Started by 1964fairlane, 08-13-2018 04:55 PM
    • Replies: 4
    • Views: 65
    Yesterday, 07:08 AM Go to last post
    • Replies: 2
    • Views: 55
    Yesterday, 02:44 AM Go to last post
  5. Was running great, now stalling.

    Started by pjones, 08-09-2018 08:00 PM
    • Replies: 5
    • Views: 115
    08-13-2018, 07:51 PM Go to last post
  6. 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: 1,457
    08-13-2018, 03:58 PM Go to last post
  7. Rev Limiter

    Started by Cobranick, 08-06-2018 01:51 PM
    • Replies: 8
    • Views: 170
    08-13-2018, 02:41 PM Go to last post
  8. Looking for a review of a tune.

    Started by lunati397, 08-13-2018 02:12 PM
    • Replies: 2
    • Views: 36
    08-13-2018, 02:29 PM Go to last post
  9. Popping, backfiring under light acceleration.

    Started by Calypso, 08-12-2018 03:47 PM
    • Replies: 4
    • Views: 63
    08-13-2018, 05:56 AM Go to last post
  10. Can I stage fuel pumps with HP EFI?

    Started by Imlach90, 08-12-2018 06:34 AM
    • Replies: 3
    • Views: 51
    08-12-2018, 11:04 AM Go to last post
    • Replies: 2
    • Views: 41
    08-11-2018, 05:10 PM Go to last post
  11. Question Jeep 4.0 Cam & Crank sensors?

    Started by Jeep4.7, 08-09-2018 01:37 PM
    • Replies: 6
    • Views: 61
    08-10-2018, 11:51 AM Go to last post
  12. Harness setup for a turbo SBF with LSx coils.

    Started by NC STANG GUY, 08-09-2018 05:14 PM
    • Replies: 2
    • Views: 44
    08-10-2018, 12:06 AM Go to last post
  13. Cam & crank signals.

    Started by camaro95, 08-06-2018 09:40 PM
    • Replies: 1
    • Views: 60
    08-06-2018, 11:47 PM Go to last post
  14. HP with Digital Dash

    Started by UPR808, 08-06-2018 02:41 PM
    • Replies: 1
    • Views: 52
    08-06-2018, 02:42 PM Go to last post
  15. Unstable Idle

    Started by John, 07-11-2018 01:59 PM
    5 Pages
    1 2 3 ... 5
    • Replies: 46
    • Views: 1,071
    08-05-2018, 11:45 PM Go to last post
    • Replies: 0
    • Views: 37
    08-05-2018, 02:40 PM Go to last post
  16. New Holley 58mm TPI throttle body & high idle.

    Started by Abubaca, 08-04-2018 08:25 AM
    • Replies: 2
    • Views: 57
    08-04-2018, 12:51 PM Go to last post
  17. Injector End Angle

    Started by Crusader, 08-04-2018 03:27 AM
    • Replies: 1
    • Views: 101
    08-04-2018, 10:55 AM Go to last post
  18. Actual AFR not matching Target AFR.

    Started by Keith Kile, 07-31-2018 01:27 PM
    • Replies: 4
    • Views: 153
    08-04-2018, 08:14 AM Go to last post
  19. Small Block Ford CNP HP EFI 550-606N

    Started by Stangwell, 08-03-2018 07:22 PM
    • Replies: 2
    • Views: 66
    08-03-2018, 11:41 PM Go to last post
  20. Fuel pump constant with key-on/engine-off.

    Started by notreadleft, 08-02-2018 05:35 PM
    • Replies: 4
    • Views: 90
    08-03-2018, 02:15 PM Go to last post
  21. Maxing out MAP sensor.

    Started by Cobranick, 07-31-2018 02:47 PM
    • Replies: 3
    • Views: 93
    08-02-2018, 12:03 AM Go to last post
  22. Holley LS Timing Verification

    Started by Boyes50, 07-30-2018 10:20 AM
    • Replies: 5
    • Views: 123
    08-01-2018, 07:08 AM Go to last post

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