Page 4 of 94 FirstFirst ... 234561454 ... LastLast
Threads 76 to 100 of 2331

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: 14,277
    10-12-2010, 04:57 PM Go to last post
    • Replies: 0
    • Views: 14,956
    07-12-2010, 04:14 PM Go to last post
  1. Question Touchscreen Output

    Started by Pacha, 07-26-2019 10:14 AM
    • Replies: 0
    • Views: 166
    07-26-2019, 10:14 AM Go to last post
  2. Nitrous Oxide ICF

    Started by diehrd, 07-24-2019 05:47 PM
    • Replies: 1
    • Views: 146
    07-24-2019, 06:29 PM Go to last post
  3. Timing Retard Table HP EFI

    Started by Tom R, 07-22-2019 08:24 PM
    • Replies: 8
    • Views: 396
    07-23-2019, 08:20 PM Go to last post
  4. 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: 955
    07-22-2019, 09:54 PM Go to last post
  5. Think I got shafted, part 554-102.

    Started by 5o2slow, 07-21-2019 11:03 PM
    • Replies: 2
    • Views: 279
    07-22-2019, 08:42 AM Go to last post
  6. No Start

    Started by 5o2slow, 07-18-2019 08:20 PM
    3 Pages
    1 2 3
    • Replies: 28
    • Views: 1,043
    07-22-2019, 08:36 AM Go to last post
  7. WBO2 sensor help!

    Started by 1st32, 07-21-2019 11:30 PM
    • Replies: 1
    • Views: 160
    07-22-2019, 02:46 AM Go to last post
  8. Instructions for 550-501?

    Started by Roland, 07-21-2019 05:47 AM
    • Replies: 1
    • Views: 124
    07-21-2019, 06:47 AM Go to last post
  9. Question 554-112 Coil Driver Help

    Started by Jeep4.7, 07-20-2019 07:16 PM
    • Replies: 0
    • Views: 84
    07-20-2019, 07:16 PM Go to last post
  10. 351W & Coil On Plug Ignition

    Started by mighty mouse, 10-05-2015 04:29 PM
    • Replies: 8
    • Views: 6,629
    07-18-2019, 02:51 PM Go to last post
  11. HP EFI V4 with two 3.5" TSLCDs connected?

    Started by 383_StealthRam, 07-15-2019 02:33 PM
    • Replies: 7
    • Views: 322
    07-16-2019, 11:43 AM Go to last post
  12. Should I download to ECU, or upload from?

    Started by ttocs, 07-13-2019 02:56 PM
    • Replies: 4
    • Views: 349
    07-15-2019, 06:38 AM Go to last post
  13. Gauge Selection

    Started by Pro318f, 07-13-2019 02:49 PM
    • Replies: 1
    • Views: 157
    07-13-2019, 03:37 PM Go to last post
  14. Bad Holley Dual Sync Distributor Gen 1

    Started by Raymond73, 07-10-2019 02:44 AM
    • Replies: 0
    • Views: 154
    07-10-2019, 02:44 AM Go to last post
  15. Closed Loop delay after startup?

    Started by mgrant, 07-07-2019 10:05 AM
    • Replies: 8
    • Views: 471
    07-07-2019, 05:42 PM Go to last post
  16. TPS Sensor

    Started by ttocs, 07-06-2019 09:36 PM
    • Replies: 8
    • Views: 309
    07-07-2019, 08:52 AM Go to last post
  17. LS Coils E85 Nitrous

    Started by fishmasterdan, 06-17-2019 04:16 PM
    • Replies: 3
    • Views: 274
    07-06-2019, 06:16 PM Go to last post
  18. Online Training

    Started by fastmanefi, 10-24-2017 02:04 PM
    6 Pages
    1 2 3 ... 6
    • Replies: 59
    • Views: 12,901
    07-04-2019, 03:56 PM Go to last post
  19. Loose Green Wire

    Started by 5o2slow, 06-30-2019 03:06 PM
    2 Pages
    1 2
    • Replies: 13
    • Views: 644
    07-02-2019, 08:55 AM Go to last post
  20. Quick question about datalogs.

    Started by 80malibuturbo, 06-28-2019 06:31 PM
    • Replies: 1
    • Views: 204
    06-28-2019, 11:32 PM Go to last post
  21. Timing Setup

    Started by diehrd, 06-27-2019 10:00 AM
    • Replies: 5
    • Views: 474
    06-28-2019, 08:25 AM Go to last post
  22. Throttle Blades Sticking

    Started by dblock, 06-25-2019 04:12 PM
    • Replies: 3
    • Views: 284
    06-27-2019, 04:43 PM Go to last post
  23. Fuel pump relay control voltage low.

    Started by wagonmaster, 06-17-2019 04:28 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 724
    06-27-2019, 01:52 PM Go to last post
  24. Which EFI software file to download?

    Started by 5o2slow, 06-26-2019 07:22 PM
    • Replies: 3
    • Views: 360
    06-27-2019, 08:34 AM Go to last post

Page 4 of 94 FirstFirst ... 234561454 ... 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® 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.
Join us