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Forum: GM V8 Tuning - Engine, Gas (Gen 3)

(1997-2009, LS1, LS6, ...)

  1. Sticky Thread Sticky: READ ME!!! General tuning info and how-to's

    Started by WS6FirebirdTA00, 02-07-2006
    • Replies: 0
    • Views: 290,857
    WS6FirebirdTA00
    02-07-2006 Go to last post

  2. Sticky Thread Sticky: If you want us to help with a tune or scan issue post your .hpt file, log & .cfg too.

    Started by jimmyblue, 10-19-2009
    92 Attachment(s)
    • Replies: 0
    • Views: 106,994
    jimmyblue
    10-19-2009 Go to last post

  1. Arrow VE tuning with HPT Wideband and Narrowband how to

    Started by WS6snake-eater, 11-19-2004
    7 Pages •
    1 2 3 ... 7
    • Replies: 132
    • Views: 63,784
    orange ss
    01-02-2006 Go to last post

  2. 411 PCM into 1997 L31 truck

    Started by hog, 05-04-2007
    4 Pages •
    1 2 3 ... 4
    • Replies: 63
    • Views: 63,311
    anthonyguy89
    07-06-2023 Go to last post

  3. Dynotech dyno

    Started by will15, 06-07-2015
    • Replies: 8
    • Views: 62,345
    SultanHassanMasTuning
    06-10-2015 Go to last post

  4. My car/truck entered Reduced power mode, WHY!!!

    Started by Bill@HPTuners, 05-07-2007
    3 Pages •
    1 2 3
    • Replies: 52
    • Views: 60,253
    jakebdb56
    10-26-2011 Go to last post

  5. Throttle follower?

    Started by sunny, 02-22-2013
    • Replies: 8
    • Views: 57,343
    sunny
    03-05-2013 Go to last post

  6. LT1 24X 411 PCM conversion - all of us please step inside

    Started by JasonS5555, 11-19-2014
    4 Pages •
    1 2 3 ... 4
    5 Attachment(s)
    • Replies: 72
    • Views: 56,653
    Mcook
    12-08-2019 Go to last post

  7. Symptoms and Causes

    Started by jimmyblue, 02-27-2008
    2 Pages •
    1 2
    2 Attachment(s)
    • Replies: 24
    • Views: 55,559
    Hondaeater
    06-12-2020 Go to last post

  8. Silverado 5.3 tune question

    Started by HL04SS, 10-19-2011
    • Replies: 16
    • Views: 55,438
    bk2life
    07-19-2015 Go to last post

  9. Please Help Define Injector Timing

    Started by Matt-B, 06-16-2008
    2 Pages •
    1 2
    • Replies: 38
    • Views: 54,112
    anniversaryss
    04-24-2018 Go to last post

  10. What is DFCO????

    Started by blue_falcon, 09-29-2004
    2 Pages •
    1 2
    • Replies: 23
    • Views: 51,270
    00GrcyGtr
    01-16-2021 Go to last post

  11. HP Tuners Tune Repository Help 4.8L & 5.3L come inside...

    Started by Cantalope Kid, 04-11-2008
    2 Pages •
    1 2
    • Replies: 27
    • Views: 50,802
    northpoletuner
    01-16-2021 Go to last post

  12. NGK AFX wideband and E85

    Started by shitstang, 05-05-2012
    5 Pages •
    1 2 3 ... 5
    • Replies: 80
    • Views: 50,744
    LSxpwrdZ
    08-03-2014 Go to last post

  13. Having problems with tune with 80 pound siemens using Gregs Dvd.

    Started by ALB, 04-23-2010
    4 Pages •
    1 2 3 ... 4
    3 Attachment(s)
    • Replies: 77
    • Views: 50,564
    HartRod
    11-10-2013 Go to last post

  14. Adjusting IAC Count

    Started by ws6ick, 10-19-2008
    2 Pages •
    1 2
    • Replies: 24
    • Views: 49,487
    ALB
    11-06-2009 Go to last post

  15. tuning for E85

    Started by RunnWS7, 09-13-2005
    5 Pages •
    1 2 3 ... 5
    • Replies: 92
    • Views: 49,325
    Runn WS7
    06-27-2009 Go to last post

  16. maf tuning help.

    Started by 85LSburb, 05-28-2017
    2 Pages •
    1 2
    10 Attachment(s)
    • Replies: 28
    • Views: 47,589
    smcstevesmc
    12-23-2021 Go to last post

  17. 5.3 first attemp at a tune may need some adult supervision

    Started by Redtruck1, 10-15-2014
    6 Pages •
    1 2 3 ... 6
    8 Attachment(s)
    • Replies: 113
    • Views: 47,281
    Redtruck1
    07-30-2016 Go to last post

  18. The curse of the P0121 Code...

    Started by Bill@HPTuners, 09-05-2007
    • Replies: 17
    • Views: 46,209
    xx_ed_xx
    12-03-2018 Go to last post

  19. Air Fuel Ratios for supercharged applications

    Started by 07cobaltsupercharged, 07-07-2009
    2 Pages •
    1 2
    2 Attachment(s)
    • Replies: 32
    • Views: 45,827
    kingtal0n
    12-23-2021 Go to last post

  20. Where's a good starting point for cold idle surging

    Started by 99LS1SS, 02-08-2012
    6 Pages •
    1 2 3 ... 6
    • Replies: 112
    • Views: 45,154
    99LS1SS
    03-01-2012 Go to last post
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