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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: 25,940
    10-12-2010, 04:57 PM Go to last post
    • Replies: 0
    • Views: 27,217
    07-12-2010, 04:14 PM Go to last post
  1. Engine sputters/breaks up at 4,000 RPM.

    Started by zwede, Yesterday 11:05 AM
    • Replies: 2
    • Views: 47
    Yesterday, 08:28 PM Go to last post
  2. Bad WBO2 Sensor?

    Started by Loren, 07-24-2021 11:21 AM
    • Replies: 6
    • Views: 202
    Yesterday, 05:48 PM Go to last post
  3. Holley HP Mounting

    Started by droptop62ss, Yesterday 12:45 PM
    • Replies: 2
    • Views: 70
    Yesterday, 05:35 PM Go to last post
  4. Single WBO2 sensor to ECU & dash gauge.

    Started by Donski, 07-26-2021 04:26 PM
    • Replies: 1
    • Views: 85
    07-26-2021, 04:37 PM Go to last post
  5. 2-Step Staying On

    Started by Walk71, 07-23-2021 11:06 AM
    • Replies: 0
    • Views: 84
    07-23-2021, 11:06 AM Go to last post
  6. ECU Firmware - What does this mean?

    Started by wywindsor, 07-21-2021 10:05 PM
    • Replies: 1
    • Views: 185
    07-22-2021, 04:46 AM Go to last post
  7. Fuelab 40501 PWM Control

    Started by fishmasterdan, 07-19-2021 09:33 PM
    • Replies: 5
    • Views: 194
    07-21-2021, 07:39 AM Go to last post
  8. Hayabusa Coil Output Setup

    Started by Jrocstar, 07-20-2021 05:48 PM
    • Replies: 0
    • Views: 73
    07-20-2021, 05:48 PM Go to last post
  9. Holley HP Error 38 while upgrading firmware.

    Started by lt1bird, 07-20-2021 11:26 AM
    • Replies: 0
    • Views: 109
    07-20-2021, 11:26 AM Go to last post
    • Replies: 7
    • Views: 236
    07-20-2021, 09:48 AM Go to last post
  10. Laptop Recommendation

    Started by 69Chrgr, 01-23-2018 03:45 AM
    2 Pages
    1 2
    • Replies: 10
    • Views: 10,972
    07-18-2021, 09:19 PM Go to last post
  11. Cranking Timing Modification

    Started by derekls, 04-15-2021 12:19 PM
    2 Pages
    1 2
    • Replies: 11
    • Views: 1,631
    07-16-2021, 06:14 PM Go to last post
  12. GM 8.1L, HP EFI, Sync Issues

    Started by Mike 8.1, 07-14-2021 08:38 PM
    8.1l ignition parameters
    • Replies: 3
    • Views: 138
    07-15-2021, 12:10 PM Go to last post
  13. Terminator X, 0-5V Output Capability

    Started by GrannySShifting, 07-14-2021 12:12 PM
    • Replies: 1
    • Views: 128
    07-14-2021, 04:07 PM Go to last post
  14. LS1 Injector Harness Cylinder Identification

    Started by quik67, 04-23-2015 01:05 PM
    • Replies: 2
    • Views: 3,265
    07-14-2021, 02:54 PM Go to last post
  15. Clutch Speed Sensor

    Started by Cstock, 07-11-2021 03:44 PM
    • Replies: 2
    • Views: 258
    07-12-2021, 07:22 PM Go to last post
    • Replies: 2
    • Views: 244
    07-10-2021, 05:00 PM Go to last post
    • Replies: 3
    • Views: 231
    07-10-2021, 09:56 AM Go to last post
  16. Crank A/D Signal

    Started by roytveit, 07-09-2021 03:53 AM
    • Replies: 0
    • Views: 150
    07-09-2021, 03:53 AM Go to last post
    • Replies: 3
    • Views: 177
    07-08-2021, 02:40 PM Go to last post
  17. Dual Sync Distributor

    Started by Larry R, 07-01-2021 02:09 PM
    • Replies: 3
    • Views: 462
    07-08-2021, 11:58 AM Go to last post
  18. My HP will not communcate with my laptop.

    Started by Daz4Life, 05-09-2021 03:35 AM
    • Replies: 8
    • Views: 1,777
    07-06-2021, 11:53 PM Go to last post
  19. Won't start, No Cranking Timing Spark.

    Started by Jon Moore, 07-04-2021 01:13 AM
    • Replies: 2
    • Views: 444
    07-05-2021, 11:31 PM Go to last post
  20. Flyback Diode Location

    Started by Bill C, 07-05-2021 06:51 AM
    • Replies: 1
    • Views: 302
    07-05-2021, 05:30 PM Go to last post

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