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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: 30,016
    10-12-2010, 04:57 PM Go to last post
    • Replies: 0
    • Views: 31,363
    07-12-2010, 04:14 PM Go to last post
    • Replies: 2
    • Views: 25
    Today, 03:41 PM Go to last post
  1. Digital Dash I/O

    Started by jb427, 01-21-2022 10:09 PM
    • Replies: 3
    • Views: 166
    Today, 01:53 PM Go to last post
  2. Remote Tuning

    Started by 79Firebirddave, 01-24-2022 02:44 PM
    • Replies: 5
    • Views: 144
    Yesterday, 04:27 PM Go to last post
  3. Holley HP EFI, no spark.

    Started by Chopps, 01-14-2022 12:15 PM
    • Replies: 3
    • Views: 261
    01-24-2022, 04:28 PM Go to last post
    • Replies: 0
    • Views: 76
    01-21-2022, 08:25 PM Go to last post
  4. 5.3L with 1x front cam sensor & 24x crank.

    Started by Soto, 11-25-2021 11:27 PM
    • Replies: 9
    • Views: 813
    01-18-2022, 06:16 PM Go to last post
  5. Can't access datalogging files on ECU.

    Started by aja314, 01-04-2022 09:06 PM
    • Replies: 3
    • Views: 540
    01-17-2022, 11:13 AM Go to last post
  6. Will Holley EFI software run on Windows 11?

    Started by 33LS1, 12-26-2021 08:46 PM
    • Replies: 8
    • Views: 698
    01-16-2022, 07:01 PM Go to last post
  7. Alpha-N On Eight Stack LS3

    Started by andrew_robertson, 01-11-2022 02:19 AM
    • Replies: 6
    • Views: 464
    01-12-2022, 09:17 PM Go to last post
  8. Time out occurred reading RTC.

    Started by jmrl98, 12-04-2021 03:48 PM
    • Replies: 8
    • Views: 1,021
    01-04-2022, 06:05 PM Go to last post
  9. MSD 2 bar MAP sensor.

    Started by Victor hill, 01-04-2022 10:56 AM
    • Replies: 1
    • Views: 172
    01-04-2022, 12:12 PM Go to last post
  10. Cam/crank randomly not syncing.

    Started by RealTeal93, 04-22-2019 03:21 PM
    • Replies: 9
    • Views: 6,272
    01-04-2022, 12:10 PM Go to last post
    • Replies: 7
    • Views: 389
    12-31-2021, 09:20 PM Go to last post
  11. J1A Wire Size

    Started by jb427, 12-31-2021 06:56 PM
    • Replies: 1
    • Views: 168
    12-31-2021, 07:28 PM Go to last post
  12. Fuel Pressure Stopped Working

    Started by Liltroy, 12-13-2021 10:23 PM
    • Replies: 9
    • Views: 636
    12-31-2021, 12:10 AM Go to last post
    • Replies: 8
    • Views: 2,228
    12-28-2021, 10:35 AM Go to last post
  13. 612ci with 8.3L Whipple

    Started by MSLUCY, 12-28-2021 06:54 AM
    • Replies: 1
    • Views: 225
    12-28-2021, 07:07 AM Go to last post
  14. ECU unpowered for a time?

    Started by Larry R, 12-24-2021 04:33 PM
    • Replies: 6
    • Views: 339
    12-25-2021, 11:01 PM Go to last post
  15. Hilborn TPS Sensor Wiring

    Started by AndyF, 12-22-2021 11:45 PM
    • Replies: 3
    • Views: 349
    12-24-2021, 11:48 PM Go to last post
    • Replies: 9
    • Views: 6,483
    12-22-2021, 04:30 PM Go to last post
  16. MAT & CTS Wired Backwards

    Started by Qwktrip, 12-19-2021 05:07 AM
    • Replies: 2
    • Views: 226
    12-19-2021, 07:58 AM Go to last post
  17. Comparison Tool

    Started by George F, 12-16-2021 10:16 PM
    • Replies: 0
    • Views: 230
    12-16-2021, 10:16 PM Go to last post
  18. HP EFI & fuel pressure regulator bleed down.

    Started by monaroman, 11-30-2021 07:17 PM
    2 Pages
    1 2
    • Replies: 10
    • Views: 780
    12-15-2021, 11:07 PM Go to last post
  19. Unterminated Harness Question

    Started by Wolven Scout, 12-15-2021 07:42 PM
    • Replies: 3
    • Views: 212
    12-15-2021, 10:36 PM Go to last post

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Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors have powered every NASCAR® Sprint® Cup team and nearly every NHRA® Pro–Stock champion for four decades. Now, Holley EFI is dominating the performance world as well as our products for GM's LS engine. Holley's products also include performance fuel pumps, intake manifolds & engine dress–up products for street performance, race and marine applications. As a single solution, or partnered with products from other Holley companies - Hooker Headers, Flowtech Headers, NOS Nitrous, Weiand, Earl's Performance Plumbing, or Diablosport - Holley products can give you the edge you need over the competition.
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