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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: 14,163
    10-12-2010, 04:57 PM Go to last post
    • Replies: 0
    • Views: 14,852
    07-12-2010, 04:14 PM Go to last post
  1. Injector Off Time

    Started by jimbo72, 07-29-2019 09:01 AM
    • Replies: 4
    • Views: 206
    07-29-2019, 05:32 PM Go to last post
    • Replies: 2
    • Views: 251
    07-28-2019, 05:52 PM Go to last post
    • Replies: 4
    • Views: 590
    07-28-2019, 02:45 PM Go to last post
    • Replies: 35
    • Views: 1,523
    07-28-2019, 02:43 PM Go to last post
  2. V5 EFI software update to old ECU?

    Started by Pacha, 07-24-2019 02:40 PM
    • Replies: 4
    • Views: 355
    07-28-2019, 09:53 AM Go to last post
  3. Windows XP Thinkpad V5 software driver issue.

    Started by Tom R, 07-24-2019 09:57 PM
    • Replies: 9
    • Views: 330
    07-28-2019, 08:53 AM Go to last post
  4. Question GM EFI Distributor Inductive Delay

    Started by Pacha, 07-26-2019 10:18 AM
    • Replies: 1
    • Views: 177
    07-26-2019, 12:03 PM Go to last post
  5. Question Touchscreen Output

    Started by Pacha, 07-26-2019 10:14 AM
    • Replies: 0
    • Views: 152
    07-26-2019, 10:14 AM Go to last post
  6. Nitrous Oxide ICF

    Started by diehrd, 07-24-2019 05:47 PM
    • Replies: 1
    • Views: 114
    07-24-2019, 06:29 PM Go to last post
  7. Timing Retard Table HP EFI

    Started by Tom R, 07-22-2019 08:24 PM
    • Replies: 8
    • Views: 354
    07-23-2019, 08:20 PM Go to last post
  8. Issues after MSD cam sync plug & Flying Magnet installed.

    Started by SICK_FOX, 04-28-2019 07:54 AM
    3 Pages
    1 2 3
    • Replies: 20
    • Views: 839
    07-22-2019, 09:54 PM Go to last post
  9. Think I got shafted, part 554-102.

    Started by 5o2slow, 07-21-2019 11:03 PM
    • Replies: 2
    • Views: 244
    07-22-2019, 08:42 AM Go to last post
  10. No Start

    Started by 5o2slow, 07-18-2019 08:20 PM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 950
    07-22-2019, 08:36 AM Go to last post
  11. WBO2 sensor help!

    Started by 1st32, 07-21-2019 11:30 PM
    • Replies: 1
    • Views: 144
    07-22-2019, 02:46 AM Go to last post
  12. Instructions for 550-501?

    Started by Roland, 07-21-2019 05:47 AM
    • Replies: 1
    • Views: 101
    07-21-2019, 06:47 AM Go to last post
  13. Question 554-112 Coil Driver Help

    Started by Jeep4.7, 07-20-2019 07:16 PM
    • Replies: 0
    • Views: 68
    07-20-2019, 07:16 PM Go to last post
  14. 351W & Coil On Plug Ignition

    Started by mighty mouse, 10-05-2015 04:29 PM
    • Replies: 8
    • Views: 6,530
    07-18-2019, 02:51 PM Go to last post
  15. HP EFI V4 with two 3.5" TSLCDs connected?

    Started by 383_StealthRam, 07-15-2019 02:33 PM
    • Replies: 7
    • Views: 300
    07-16-2019, 11:43 AM Go to last post
  16. Should I download to ECU, or upload from?

    Started by ttocs, 07-13-2019 02:56 PM
    • Replies: 4
    • Views: 324
    07-15-2019, 06:38 AM Go to last post
  17. Gauge Selection

    Started by Pro318f, 07-13-2019 02:49 PM
    • Replies: 1
    • Views: 139
    07-13-2019, 03:37 PM Go to last post
  18. Injector End Angle Tuning

    Started by 81 TransAm, 09-15-2017 10:01 PM
    8 Pages
    1 2 3 ... 8
    • Replies: 70
    • Views: 12,111
    07-10-2019, 09:12 AM Go to last post
  19. Bad Holley Dual Sync Distributor Gen 1

    Started by Raymond73, 07-10-2019 02:44 AM
    • Replies: 0
    • Views: 142
    07-10-2019, 02:44 AM Go to last post
  20. Closed Loop delay after startup?

    Started by mgrant, 07-07-2019 10:05 AM
    • Replies: 8
    • Views: 441
    07-07-2019, 05:42 PM Go to last post
  21. TPS Sensor

    Started by ttocs, 07-06-2019 09:36 PM
    • Replies: 8
    • Views: 284
    07-07-2019, 08:52 AM Go to last post
  22. LS Coils E85 Nitrous

    Started by fishmasterdan, 06-17-2019 04:16 PM
    • Replies: 3
    • Views: 253
    07-06-2019, 06:16 PM Go to last post

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