Page 1 of 8 123 ... LastLast
Threads 1 to 25 of 183

Forum: MSD Atomic EFI LS Support

Questions about the Atomic EFI LS

  1. No power under WOT

    Started by frostchevelle, 10-12-2015 03:02 AM
    6 Pages
    1 2 3 ... 6
    • Replies: 58
    • Views: 27,811
    08-09-2016, 09:02 AM Go to last post
  2. TURBO ATOMIC 5.3LS ON e85, RUNS 10s !!!

    Started by lspwrd, 11-20-2015 04:06 AM
    5 Pages
    1 2 3 ... 5
    • Replies: 41
    • Views: 17,253
    02-19-2016, 05:41 AM Go to last post
  3. Idle surging, Running rich

    Started by conceptvip, 02-28-2016 08:59 AM
    4 Pages
    1 2 3 ... 4
    • Replies: 39
    • Views: 21,864
    05-26-2017, 07:01 AM Go to last post
  4. Engine dies after releasing gas pedal.

    Started by jessea1supercars, 03-25-2014 09:48 AM
    3 Pages
    1 2 3
    • Replies: 23
    • Views: 6,944
    07-17-2014, 09:11 PM Go to last post
  5. Misfire under accel, right bank rich - left is lean

    Started by alberta_joe, 07-20-2016 05:09 PM
    3 Pages
    1 2 3
    • Replies: 22
    • Views: 12,189
    01-20-2017, 10:26 AM Go to last post
  6. ls truck engine sounds like its dropping cylinder under load

    Started by project_jeep, 05-05-2014 03:11 PM
    2 Pages
    1 2
    • Replies: 18
    • Views: 4,264
    05-19-2014, 04:30 AM Go to last post
  7. Not running good at all

    Started by telly, 04-04-2016 02:04 AM
    2 Pages
    1 2
    • Replies: 18
    • Views: 8,608
    05-27-2016, 08:21 AM Go to last post
  8. A few more questions I need some help with

    Started by iceburgh68@hotmail.com, 11-07-2015 11:15 AM
    2 Pages
    1 2
    • Replies: 15
    • Views: 6,208
    12-11-2015, 05:18 AM Go to last post
  9. AFR issues with 408 LS.

    Started by john.tempest, 06-02-2018 07:25 PM
    2 Pages
    1 2
    • Replies: 15
    • Views: 1,894
    07-13-2018, 08:57 PM Go to last post
  10. Turbo lq4 swap

    Started by 98turbota, 06-28-2014 05:46 AM
    2 Pages
    1 2
    • Replies: 14
    • Views: 5,347
    01-23-2016, 01:17 PM Go to last post
  11. Will Atomic EFI LS work with fast intake manifolds?

    Started by ls1build, 05-20-2013 01:01 AM
    2 Pages
    1 2
    • Replies: 13
    • Views: 3,222
    12-16-2013, 10:59 AM Go to last post
  12. Extension cable for handheld(2)

    Started by blownsilverado, 12-25-2015 02:37 PM
    2 Pages
    1 2
    • Replies: 12
    • Views: 6,848
    01-06-2018, 10:20 AM Go to last post
  13. No start

    Started by tellyv, 01-18-2016 02:28 PM
    2 Pages
    1 2
    • Replies: 12
    • Views: 6,062
    02-23-2016, 02:36 PM Go to last post
  14. Part throttle stumble-afr goes lean on tip in

    Started by bradenjnelson, 07-28-2017 10:17 AM
    2 Pages
    1 2
    • Replies: 12
    • Views: 3,924
    08-05-2017, 10:54 PM Go to last post
  15. 2 Step Launch and Transmission input question.

    Started by lrn2go, 05-23-2013 11:05 AM
    2 Pages
    1 2
    • Replies: 10
    • Views: 6,339
    06-11-2013, 07:11 AM Go to last post
  16. LS2 w/ 1x cam sensor, provided wires not long enough?

    Started by lrn2go, 06-22-2013 07:08 AM
    2 Pages
    1 2
    • Replies: 10
    • Views: 3,493
    07-02-2013, 08:27 AM Go to last post
  17. Crank Sensor Failure?

    Started by rrtec, 10-27-2013 05:44 PM
    2 Pages
    1 2
    • Replies: 10
    • Views: 2,780
    04-03-2014, 03:35 PM Go to last post
  18. super rich....

    Started by drewskey84, 04-07-2014 04:12 AM
    2 Pages
    1 2
    • Replies: 10
    • Views: 3,051
    05-06-2014, 10:11 AM Go to last post
  19. NEED TUNING HELP, PLEASE

    Started by im_jonesy, 08-24-2014 03:19 PM
    2 Pages
    1 2
    • Replies: 10
    • Views: 4,542
    09-24-2014, 06:29 AM Go to last post
  20. Software update?

    Started by jwad355, 01-23-2014 11:28 PM
    • Replies: 9
    • Views: 2,607
    04-23-2014, 01:50 PM Go to last post
  21. Is there going to be anymore updates?

    Started by clintsimau, 03-12-2015 09:22 PM
    • Replies: 9
    • Views: 5,771
    06-22-2017, 12:19 PM Go to last post
  22. Troubleshooting Atomic LS EFI System

    Started by 67camarols7, 02-19-2016 04:00 AM
    • Replies: 9
    • Views: 5,507
    02-23-2016, 02:42 PM Go to last post
  23. New updates? O2 sensor ?

    Started by taztruk, 09-09-2016 04:12 PM
    • Replies: 9
    • Views: 5,638
    09-19-2016, 11:26 AM Go to last post
  24. Atomic LS.... Make me a beleiver!

    Started by XLR8, 11-21-2013 06:12 AM
    • Replies: 8
    • Views: 2,652
    04-21-2014, 02:34 PM Go to last post

Page 1 of 8 123 ... LastLast

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