Page 1 of 108 1231151101 ... LastLast
Threads 1 to 25 of 2688

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: 20,423
    10-12-2010, 04:57 PM Go to last post
    • Replies: 0
    • Views: 21,373
    07-12-2010, 04:14 PM Go to last post
  1. New to Holley HP EFI / Pontiac 535

    Started by nmoreilly, Today 06:59 PM
    • Replies: 0
    • Views: 1
    Today, 06:59 PM Go to last post
  2. Injector Wiring Diagram

    Started by Ten Bears, Yesterday 04:50 PM
    • Replies: 1
    • Views: 49
    Yesterday, 05:18 PM Go to last post
  3. Holley HP vs Terminator X

    Started by thatsupnow, 01-14-2021 09:39 PM
    2 Pages
    1 2
    • Replies: 10
    • Views: 548
    01-24-2021, 11:03 AM Go to last post
  4. Ford Injector Harness 558-209 Pin-Out

    Started by thatsupnow, 01-21-2021 07:09 PM
    • Replies: 1
    • Views: 88
    01-21-2021, 07:28 PM Go to last post
  5. Smart Coil Melted

    Started by Rick Cole, 08-29-2020 03:41 PM
    • Replies: 4
    • Views: 574
    01-21-2021, 12:05 PM Go to last post
  6. Loss RPM sync during run, but still runs.

    Started by turbofreak, 07-23-2020 09:19 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 1,377
    01-21-2021, 09:11 AM Go to last post
  7. Big Wire CNP coil kit wiring?

    Started by mustang_al308, 01-20-2021 04:03 PM
    • Replies: 0
    • Views: 100
    01-20-2021, 04:03 PM Go to last post
  8. HP/Avenger EFI - VSS/T56 Reverse Lockout

    Started by racindego, 11-01-2014 11:54 AM
    5 Pages
    1 2 3 ... 5
    • Replies: 47
    • Views: 30,669
    01-16-2021, 08:27 PM Go to last post
  9. Hello, I知 a new member with a Holley EFI problem.

    Started by speedball, 01-20-2019 12:32 PM
    2 Pages
    1 2
    • Replies: 16
    • Views: 2,440
    01-16-2021, 03:15 PM Go to last post
  10. Fuel Learn not working.

    Started by Pro318f, 01-09-2021 07:19 PM
    • Replies: 9
    • Views: 417
    01-16-2021, 03:05 PM Go to last post
  11. Bosch Red Top 280150945 Injector Offset

    Started by jayv64, 02-08-2015 08:58 AM
    3 Pages
    1 2 3
    • Replies: 21
    • Views: 12,770
    01-15-2021, 08:32 AM Go to last post
  12. ICF Sub-Folders

    Started by masheim, 01-11-2021 09:12 PM
    • Replies: 5
    • Views: 259
    01-12-2021, 12:08 AM Go to last post
  13. Water Pump Input/Output Setup

    Started by 355V8FieroSteve, 01-10-2021 12:18 PM
    2 Pages
    1 2
    • Replies: 12
    • Views: 463
    01-11-2021, 07:11 PM Go to last post
  14. Fuel Priming?

    Started by cadillac531, 01-10-2021 04:37 PM
    • Replies: 5
    • Views: 255
    01-10-2021, 05:19 PM Go to last post
  15. HP - VSS Connection

    Started by 68 Camaro, 12-30-2020 04:56 PM
    3 Pages
    1 2 3
    • Replies: 24
    • Views: 1,073
    01-10-2021, 12:30 PM Go to last post
  16. Beginner Acceleration Enrichment Question

    Started by dannysauer, 07-07-2020 10:49 PM
    • Replies: 4
    • Views: 1,604
    01-09-2021, 10:02 PM Go to last post
  17. Graphic Issues

    Started by BuaAuto, 05-25-2020 09:24 PM
    • Replies: 2
    • Views: 695
    01-07-2021, 01:25 AM Go to last post
  18. MSD DIS-2 triggered by HP ECU?

    Started by kjewer1, 01-05-2021 06:13 PM
    • Replies: 1
    • Views: 209
    01-06-2021, 07:23 PM Go to last post
  19. MISSING: Base Config - Blank.IO.

    Started by 355V8FieroSteve, 01-04-2021 08:03 AM
    • Replies: 2
    • Views: 252
    01-04-2021, 10:40 AM Go to last post
  20. Connect MSD DIS to HP EFI

    Started by yelcamino, 01-31-2019 08:11 AM
    3 Pages
    1 2 3
    • Replies: 24
    • Views: 2,736
    01-04-2021, 12:36 AM Go to last post
  21. 558-104 Loose Red Wires - Injector Power?

    Started by EV2DEMON, 01-02-2021 01:59 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 557
    01-03-2021, 06:06 PM Go to last post
  22. Injector Strategy

    Started by hotrodg726, 12-25-2020 09:49 PM
    • Replies: 4
    • Views: 446
    01-02-2021, 07:27 PM Go to last post
  23. No Spark

    Started by 3DTim, 12-21-2020 11:25 PM
    • Replies: 1
    • Views: 359
    01-02-2021, 01:29 PM Go to last post
  24. Engine will not start.

    Started by Larry R, 11-25-2020 05:35 PM
    3 Pages
    1 2 3
    • Replies: 22
    • Views: 2,368
    01-02-2021, 10:31 AM Go to last post
  25. LSx Coil Harness 558-321

    Started by jay2one, 01-01-2021 11:22 PM
    • Replies: 0
    • Views: 197
    01-01-2021, 11:22 PM Go to last post

Page 1 of 108 1231151101 ... LastLast

Forum Information and Options

Moderators of this Forum

Thread Display Options

Use this control to limit the display of threads to those newer than the specified time frame.

Allows you to choose the data by which the thread list will be sorted.

Order threads in...

Note: when sorting by date, 'descending order' will show the newest results first.

Icon Legend

Contains unread posts
Contains unread posts
Contains no unread posts
Contains no unread posts
More than 15 replies or 150 views
Hot thread with unread posts
More than 15 replies or 150 views
Hot thread with no unread posts
Closed Thread
Thread is closed
Thread Contains a Message Written By You
You have posted in this thread

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
About us
Holley has been the undisputed leader in fuel systems for over 100 years. Holley carburetors have powered every NASCARョ Sprintョ Cup team and nearly every NHRAョ Pro亡tock 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勃p 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.
Join us