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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: 27,481
    10-12-2010, 04:57 PM Go to last post
    • Replies: 0
    • Views: 28,788
    07-12-2010, 04:14 PM Go to last post
    • Replies: 5
    • Views: 928
    09-15-2021, 10:59 AM Go to last post
  1. Car Dies after long trip and won't restart until sitting for a while.

    Started by elasner, 09-13-2021 09:12 AM
    2 Pages
    1 2
    • Replies: 10
    • Views: 267
    09-14-2021, 08:25 PM Go to last post
    • Replies: 0
    • Views: 61
    09-14-2021, 12:44 PM Go to last post
  2. Fuel Injectors Fuse

    Started by tkrogel, 09-11-2021 05:14 PM
    • Replies: 0
    • Views: 178
    09-11-2021, 05:14 PM Go to last post
    • Replies: 0
    • Views: 130
    09-11-2021, 08:34 AM Go to last post
  3. Ignition timing questions for initial startup.

    Started by jmrl98, 09-08-2021 09:02 AM
    • Replies: 3
    • Views: 248
    09-10-2021, 08:53 AM Go to last post
    • Replies: 1
    • Views: 142
    09-09-2021, 12:42 PM Go to last post
  4. Cam & Crank Sensor Wiring

    Started by Donski, 09-07-2021 01:20 AM
    • Replies: 1
    • Views: 170
    09-07-2021, 03:52 AM Go to last post
  5. Gen 3 Hemi - No Start

    Started by karszone, 06-12-2021 07:52 PM
    • Replies: 4
    • Views: 1,633
    09-04-2021, 04:02 PM Go to last post
  6. Fuel Injectors

    Started by tkrogel, 09-04-2021 08:59 AM
    holleyhp
    • Replies: 1
    • Views: 210
    09-04-2021, 03:59 PM Go to last post
  7. Need Help with Sudden Starting Problems

    Started by 355V8FieroSteve, 09-01-2021 07:59 AM
    • Replies: 5
    • Views: 538
    09-03-2021, 09:43 PM Go to last post
  8. Reflashing V5 Build 171

    Started by 355V8FieroSteve, 09-02-2021 06:03 PM
    • Replies: 4
    • Views: 322
    09-03-2021, 08:03 AM Go to last post
  9. TPS Test?

    Started by BogBeast, 08-30-2021 10:24 AM
    tps
    • Replies: 4
    • Views: 297
    09-01-2021, 12:40 PM Go to last post
    • Replies: 3
    • Views: 635
    08-31-2021, 09:07 AM Go to last post
  10. V4 injector setup question.

    Started by Bill C, 08-29-2021 10:23 AM
    • Replies: 0
    • Views: 173
    08-29-2021, 10:23 AM Go to last post
  11. Frustrating Intermittent Misfire

    Started by alan91z28, 06-10-2020 07:31 PM
    6 Pages
    1 2 3 ... 6
    • Replies: 53
    • Views: 13,234
    08-28-2021, 12:24 PM Go to last post
  12. Holley Distributorless Ignition Wiring

    Started by Donski, 08-20-2021 02:24 PM
    • Replies: 6
    • Views: 504
    08-27-2021, 10:41 PM Go to last post
  13. New 6.86" Pro Dash not communicating with HP EFI.

    Started by Brian41, 08-26-2021 02:43 PM
    • Replies: 1
    • Views: 241
    08-27-2021, 08:55 AM Go to last post
  14. G-Meter Goes Wacko

    Started by lballog, 08-19-2021 10:01 PM
    • Replies: 4
    • Views: 424
    08-24-2021, 03:01 PM Go to last post
    • Replies: 6
    • Views: 411
    08-24-2021, 10:28 AM Go to last post
  15. HP Inputs & Outputs

    Started by madmax1974, 06-08-2021 05:19 PM
    • Replies: 1
    • Views: 676
    08-24-2021, 07:37 AM Go to last post
    • Replies: 2
    • Views: 307
    08-23-2021, 04:17 PM Go to last post
  16. No communication with ECU.

    Started by Turbonotch53, 08-22-2021 08:46 AM
    • Replies: 4
    • Views: 349
    08-22-2021, 07:38 PM Go to last post
  17. Dual Sync Distributor

    Started by Larry R, 07-01-2021 02:09 PM
    • Replies: 7
    • Views: 1,949
    08-21-2021, 03:28 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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