Page 1 of 112 1231151101 ... LastLast
Threads 1 to 25 of 2790

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: 26,142
    10-12-2010, 04:57 PM Go to last post
    • Replies: 0
    • Views: 27,425
    07-12-2010, 04:14 PM Go to last post
  1. Dual Sync Distributor

    Started by Larry R, 07-01-2021 02:09 PM
    • Replies: 5
    • Views: 732
    08-01-2021, 11:24 PM Go to last post
  2. Help, EFI software V4 to V5.

    Started by Erich.monteith@gmail.com, 08-01-2021 06:33 PM
    • Replies: 2
    • Views: 80
    08-01-2021, 10:18 PM Go to last post
  3. Output harness for dual electric fans.

    Started by chillininnh, 07-30-2021 08:57 AM
    • Replies: 2
    • Views: 190
    07-30-2021, 12:18 PM Go to last post
  4. 2-Step Staying On

    Started by Walk71, 07-23-2021 11:06 AM
    • Replies: 1
    • Views: 148
    07-29-2021, 10:06 AM Go to last post
  5. Engine sputters/breaks up at 4,000 RPM.

    Started by zwede, 07-28-2021 11:05 AM
    • Replies: 2
    • Views: 127
    07-28-2021, 08:28 PM Go to last post
  6. Bad WBO2 Sensor?

    Started by Loren, 07-24-2021 11:21 AM
    • Replies: 6
    • Views: 278
    07-28-2021, 05:48 PM Go to last post
  7. Holley HP Mounting

    Started by droptop62ss, 07-28-2021 12:45 PM
    • Replies: 2
    • Views: 162
    07-28-2021, 05:35 PM Go to last post
  8. Single WBO2 sensor to ECU & dash gauge.

    Started by Donski, 07-26-2021 04:26 PM
    • Replies: 1
    • Views: 127
    07-26-2021, 04:37 PM Go to last post
  9. ECU Firmware - What does this mean?

    Started by wywindsor, 07-21-2021 10:05 PM
    • Replies: 1
    • Views: 229
    07-22-2021, 04:46 AM Go to last post
  10. Fuelab 40501 PWM Control

    Started by fishmasterdan, 07-19-2021 09:33 PM
    • Replies: 5
    • Views: 221
    07-21-2021, 07:39 AM Go to last post
  11. Hayabusa Coil Output Setup

    Started by Jrocstar, 07-20-2021 05:48 PM
    • Replies: 0
    • Views: 105
    07-20-2021, 05:48 PM Go to last post
  12. Holley HP Error 38 while upgrading firmware.

    Started by lt1bird, 07-20-2021 11:26 AM
    • Replies: 0
    • Views: 132
    07-20-2021, 11:26 AM Go to last post
    • Replies: 7
    • Views: 259
    07-20-2021, 09:48 AM Go to last post
  13. Laptop Recommendation

    Started by 69Chrgr, 01-23-2018 03:45 AM
    2 Pages
    1 2
    • Replies: 10
    • Views: 11,071
    07-18-2021, 09:19 PM Go to last post
  14. Cranking Timing Modification

    Started by derekls, 04-15-2021 12:19 PM
    2 Pages
    1 2
    • Replies: 11
    • Views: 1,810
    07-16-2021, 06:14 PM Go to last post
  15. GM 8.1L, HP EFI, Sync Issues

    Started by Mike 8.1, 07-14-2021 08:38 PM
    8.1l ignition parameters
    • Replies: 3
    • Views: 157
    07-15-2021, 12:10 PM Go to last post
  16. Terminator X, 0-5V Output Capability

    Started by GrannySShifting, 07-14-2021 12:12 PM
    • Replies: 1
    • Views: 144
    07-14-2021, 04:07 PM Go to last post
  17. LS1 Injector Harness Cylinder Identification

    Started by quik67, 04-23-2015 01:05 PM
    • Replies: 2
    • Views: 3,289
    07-14-2021, 02:54 PM Go to last post
  18. Clutch Speed Sensor

    Started by Cstock, 07-11-2021 03:44 PM
    • Replies: 2
    • Views: 277
    07-12-2021, 07:22 PM Go to last post
    • Replies: 2
    • Views: 267
    07-10-2021, 05:00 PM Go to last post
    • Replies: 3
    • Views: 256
    07-10-2021, 09:56 AM Go to last post
  19. Crank A/D Signal

    Started by roytveit, 07-09-2021 03:53 AM
    • Replies: 0
    • Views: 169
    07-09-2021, 03:53 AM Go to last post
    • Replies: 3
    • Views: 204
    07-08-2021, 02:40 PM Go to last post
  20. My HP will not communcate with my laptop.

    Started by Daz4Life, 05-09-2021 03:35 AM
    • Replies: 8
    • Views: 1,926
    07-06-2021, 11:53 PM Go to last post

Page 1 of 112 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® 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