Page 1 of 80 1231151 ... LastLast
Threads 1 to 25 of 1987

Forum: Sniper EFI

Sniper EFI Tuning & Tech

  1. Sticky Thread Sticky: Useful Sniper EFI Information

    Started by Matt, 07-21-2017 11:16 AM
    • Replies: 1
    • Views: 18,900
    07-24-2017, 08:52 AM Go to last post
  2. Sticky Thread Sticky: Sniper EFI Replacement Part Numbers

    Started by Matt, 07-21-2017 04:16 PM
    • Replies: 0
    • Views: 6,207
    07-21-2017, 04:16 PM Go to last post
  3. Sticky Thread Sticky: Incompatible Handheld Firmware

    Started by Matt, 09-29-2017 04:55 PM
    • Replies: 0
    • Views: 9,454
    09-29-2017, 04:55 PM Go to last post
  1. Progressive Linkage makes Sniper EFI WAAAY Better

    Started by cmyer, 05-12-2018 01:30 PM
    17 Pages
    1 2 3 ... 17
    • Replies: 168
    • Views: 39,638
    10-05-2019, 02:04 AM Go to last post
  2. Sniper intermittently cutting out, new install.

    Started by orcas tow, 03-04-2017 10:51 PM
    14 Pages
    1 2 3 ... 14
    • Replies: 136
    • Views: 27,637
    02-28-2019, 07:16 PM Go to last post
  3. Major Issues After Install

    Started by MrSinister55, 05-26-2018 11:09 AM
    12 Pages
    1 2 3 ... 12
    • Replies: 110
    • Views: 9,740
    08-13-2019, 03:10 PM Go to last post
  4. Sniper in-line fuel pump replaced. Screeching continues.

    Started by Flatlander, 04-21-2019 11:22 AM
    9 Pages
    1 2 3 ... 9
    • Replies: 80
    • Views: 3,254
    05-14-2019, 07:11 PM Go to last post
  5. CAN/USB Dongle connector availability?

    Started by BrianSanDiego, 04-01-2017 09:39 PM
    8 Pages
    1 2 3 ... 8
    • Replies: 78
    • Views: 12,162
    09-25-2017, 02:12 PM Go to last post
  6. Oxygen Sensor? Fails way too early.

    Started by iknoian, 08-01-2017 06:11 PM
    8 Pages
    1 2 3 ... 8
    • Replies: 75
    • Views: 17,040
    11-16-2017, 06:30 PM Go to last post
  7. Coolant temp sensor problems, way off range, 3 sensors tested.

    Started by sweetk30, 12-30-2018 01:20 PM
    8 Pages
    1 2 3 ... 8
    • Replies: 71
    • Views: 5,489
    04-15-2019, 01:29 PM Go to last post
  8. Sniper loud whistle/hiss normal?

    Started by BrianSanDiego, 03-26-2017 10:20 PM
    7 Pages
    1 2 3 ... 7
    • Replies: 69
    • Views: 27,372
    10-20-2018, 04:07 PM Go to last post
  9. Timing control with GM large cap HEI.

    Started by Crusty Old Shellback, 12-05-2017 12:13 PM
    7 Pages
    1 2 3 ... 7
    • Replies: 68
    • Views: 12,488
    02-16-2018, 03:25 PM Go to last post
  10. Holley Sniper issues?

    Started by Mlach1127, 03-24-2019 04:42 PM
    7 Pages
    1 2 3 ... 7
    • Replies: 65
    • Views: 4,033
    05-03-2019, 06:02 PM Go to last post
  11. Regarding the Minimum Signal Voltage

    Started by rel3rd, 05-24-2017 04:42 PM
    7 Pages
    1 2 3 ... 7
    • Replies: 60
    • Views: 7,539
    06-13-2017, 02:46 AM Go to last post
  12. Help with timing table for Vortec 350.

    Started by HeavyChevy, 05-25-2019 10:21 PM
    6 Pages
    1 2 3 ... 6
    • Replies: 55
    • Views: 2,215
    06-05-2019, 06:58 PM Go to last post
  13. Coolant Temps 454

    Started by Proflyer, 07-23-2019 12:32 PM
    6 Pages
    1 2 3 ... 6
    • Replies: 52
    • Views: 1,953
    08-03-2019, 12:48 PM Go to last post
  14. Strange Timing/Idle Problem

    Started by N.Paul, 05-30-2017 06:55 PM
    6 Pages
    1 2 3 ... 6
    • Replies: 51
    • Views: 7,433
    08-09-2017, 12:53 PM Go to last post
  15. Sniper EFI & electronically controlled transmissions.

    Started by axelgawn, 03-21-2018 11:42 AM
    6 Pages
    1 2 3 ... 6
    • Replies: 50
    • Views: 8,036
    09-15-2019, 06:35 PM Go to last post
  16. 383 SBC Sniper 4150 - Hot start issues, have to apply pedal.

    Started by Rob_60, 05-05-2019 10:46 AM
    5 Pages
    1 2 3 ... 5
    • Replies: 48
    • Views: 2,543
    06-29-2019, 11:53 PM Go to last post
  17. High fuel pressure & dry return after fresh install.

    Started by Dr_Grip, 04-26-2017 04:05 PM
    5 Pages
    1 2 3 ... 5
    • Replies: 47
    • Views: 9,060
    08-23-2017, 09:04 AM Go to last post
  18. Question Sudden severe overfueling with my Sniper EFI.

    Started by rel3rd, 12-23-2016 04:23 PM
    5 Pages
    1 2 3 ... 5
    • Replies: 46
    • Views: 21,035
    05-28-2017, 11:08 AM Go to last post
  19. Stalling issue after enabling timing control with Sniper.

    Started by rel3rd, 11-25-2016 07:29 PM
    5 Pages
    1 2 3 ... 5
    • Replies: 44
    • Views: 10,540
    06-17-2017, 11:21 PM Go to last post
  20. Sniper loses acceleration power.

    Started by Jimmyp618, 09-02-2017 08:59 AM
    5 Pages
    1 2 3 ... 5
    • Replies: 44
    • Views: 4,917
    09-25-2017, 10:47 AM Go to last post
  21. ECU failure?

    Started by Outcrydrummer, 12-31-2017 04:46 PM
    5 Pages
    1 2 3 ... 5
    • Replies: 44
    • Views: 7,656
    02-13-2018, 03:01 PM Go to last post
    • Replies: 44
    • Views: 3,609
    01-04-2019, 07:58 PM Go to last post
  22. Question 1st Dragstrip runs of 2017, going VERY LEAN at WOT.

    Started by rel3rd, 03-26-2017 11:11 AM
    5 Pages
    1 2 3 ... 5
    • Replies: 43
    • Views: 5,269
    09-02-2017, 11:40 AM Go to last post
  23. Engine spasms when Manifold Pressure reaches atmospheric.

    Started by 85 Phoenix, 04-22-2019 05:20 PM
    5 Pages
    1 2 3 ... 5
    • Replies: 43
    • Views: 1,844
    08-30-2019, 09:44 AM Go to last post
  24. New Sniper Install

    Started by randavis, 02-28-2019 09:09 PM
    5 Pages
    1 2 3 ... 5
    • Replies: 43
    • Views: 2,789
    07-01-2019, 08:17 PM Go to last post

Page 1 of 80 1231151 ... 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