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

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

  1. 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: 253,732
    jimmyblue
    10-19-2009 Go to last post

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

    Started by WS6FirebirdTA00, 02-07-2006
    • Replies: 0
    • Views: 454,754
    WS6FirebirdTA00
    02-07-2006 Go to last post

  1. 2009 GMC Sierra 5.3 New Tuner

    Started by 09sierraguy, 2 Days Ago
    6 Attachment(s)
    • Replies: 14
    • Views: 239
    dhoagland
    6 Hours Ago Go to last post

  2. no power at any throttle cammed 4.8

    Started by That_Red_8.1, 3 Days Ago
    3 Attachment(s)
    • Replies: 17
    • Views: 297
    That_Red_8.1
    9 Hours Ago Go to last post

  3. P59 issue

    Started by 13qtr, 1 Week Ago
    1 Attachment(s)
    • Replies: 10
    • Views: 322
    13qtr
    10 Hours Ago Go to last post

  4. Timing going negative at WOT

    Started by cveloz, 1 Day Ago
    5 Attachment(s)
    • Replies: 13
    • Views: 237
    RDF1
    10 Hours Ago Go to last post

  5. Question 03 Chevy Silverado 5.3 stage 4 truck cam v2 help

    Started by 001tuner, 2 Days Ago
    5 Attachment(s)
    • Replies: 11
    • Views: 172
    RDF1
    14 Hours Ago Go to last post

  6. my ve . check it out please

    Started by mychevyisntheavy, 4 Weeks Ago
    3 Pages •
    1 2 3
    14 Attachment(s)
    • Replies: 59
    • Views: 3,834
    mychevyisntheavy
    16 Hours Ago Go to last post

  7. Lean Idle only when pressing brake pedal

    Started by AaronAutoCS, 17 Hours Ago
    2 Attachment(s)
    • Replies: 1
    • Views: 38
    gametech
    17 Hours Ago Go to last post

  8. Truck will not build boost

    Started by connerterry24, 6 Days Ago
    1 Attachment(s)
    • Replies: 4
    • Views: 166
    connerterry24
    18 Hours Ago Go to last post

  9. 99 C5 Corvette, upgraded to a lS2 TB and LS2 intake & H/C, TB need adjustment?

    Started by KrazedZ, 18 Hours Ago
    1 Attachment(s)
    • Replies: 0
    • Views: 43
    KrazedZ
    18 Hours Ago Go to last post

  10. '97 C5 Corvette wont rev over 6500RPM

    Started by JamesTheriot, 4 Days Ago
    2 Attachment(s)
    • Replies: 8
    • Views: 257
    edcmat-l1
    19 Hours Ago Go to last post

  11. gen 3 lq4 bad tune causing p0300?

    Started by 99.arias, 1 Day Ago
    3 Attachment(s)
    • Replies: 9
    • Views: 127
    99.arias
    21 Hours Ago Go to last post

  12. Pulling time on WOT but wideband shows neither too rich or lean

    Started by toonwarrior, 03-17-2024
    5 Pages •
    1 2 3 ... 5
    65 Attachment(s)
    • Replies: 97
    • Views: 31,476
    toonwarrior
    21 Hours Ago Go to last post

  13. Arrow 1997 PCM revert to stock

    Started by sv_insight, 1 Week Ago
    1 Attachment(s)
    • Replies: 6
    • Views: 251
    Alvin
    21 Hours Ago Go to last post

  14. Had a wierd short. Cause even weirder issue

    Started by Oteroluis98, 1 Day Ago
    • Replies: 1
    • Views: 42
    gtstorey
    22 Hours Ago Go to last post

  15. 2003 hummer H2 stock tune

    Started by Sontos833, 1 Day Ago
    1 Attachment(s)
    • Replies: 2
    • Views: 69
    horsepowerguru427
    1 Day Ago Go to last post

  16. Intake Air Temp is ok for the Then pegs to 284F after 8 min of running

    Started by [email protected], 6 Days Ago
    1 Attachment(s)
    • Replies: 5
    • Views: 183
    bk2life
    1 Day Ago Go to last post

  17. Newbie dummy move

    Started by LOW_N_SLO_SILVERADO, 2 Days Ago
    • Replies: 2
    • Views: 64
    2xLS1
    1 Day Ago Go to last post

  18. 8.1 Turbo MAF Delete

    Started by bww92ls1, 5 Days Ago
    1 Attachment(s)
    • Replies: 9
    • Views: 271
    Alvin
    1 Day Ago Go to last post

  19. 01 corvette 5.7 dbw mated to 4l80 12221588 0S help

    Started by BLATZAUTOWORKZ25, 1 Week Ago
    2 Attachment(s)
    • Replies: 3
    • Views: 175
    04silverado6.0
    3 Days Ago Go to last post

  20. TBSS 4l80e swap help

    Started by Tonyorlo, 04-09-2025
    2 Pages •
    1 2
    7 Attachment(s)
    • Replies: 32
    • Views: 1,904
    Tonyorlo
    3 Days Ago Go to last post
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