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Threads 1 to 20 of 26140

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: 253,823
    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: 454,881
    WS6FirebirdTA00
    02-07-2006 Go to last post

  1. no power at any throttle cammed 4.8

    Started by That_Red_8.1, 4 Days Ago
    2 Pages •
    1 2
    3 Attachment(s)
    • Replies: 26
    • Views: 528
    That_Red_8.1
    1 Hour Ago Go to last post

  2. Throttle body slamming shut under boost

    Started by TheRodFather, 1 Week Ago
    2 Attachment(s)
    • Replies: 16
    • Views: 458
    RDF1
    1 Hour Ago Go to last post

  3. Trying to improve tune on new LS3 based 415 stroker

    Started by [email protected], 1 Day Ago
    4 Attachment(s)
    • Replies: 4
    • Views: 114
    1 old guy
    4 Hours Ago Go to last post

  4. Question Heads, cam LS6 won't start with new injectors

    Started by Too rich, 14 Hours Ago
    2 Attachment(s)
    • Replies: 4
    • Views: 121
    gametech
    6 Hours Ago Go to last post

  5. I need this thing gooooone

    Started by lm7regal, 1 Day Ago
    3 Attachment(s)
    • Replies: 6
    • Views: 122
    gtstorey
    8 Hours Ago Go to last post

  6. P59 swap for DBW to DBC

    Started by 1 old guy, 1 Day Ago
    2 Attachment(s)
    • Replies: 5
    • Views: 151
    1 old guy
    1 Day Ago Go to last post

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

    Started by [email protected], 1 Week Ago
    1 Attachment(s)
    • Replies: 6
    • Views: 216
    [email protected]
    1 Day Ago Go to last post

  8. Lean Idle only when pressing brake pedal

    Started by AaronAutoCS, 2 Days Ago
    2 Attachment(s)
    • Replies: 5
    • Views: 93
    gametech
    1 Day Ago Go to last post

  9. Pre 1997 4L80E

    Started by dra123, 3 Weeks Ago
    • Replies: 2
    • Views: 147
    RDF1
    1 Day Ago Go to last post

  10. 99 C5 Corvette, upgraded to a lS2 TB and LS2 intake & H/C, TB need adjustment?

    Started by KrazedZ, 2 Days Ago
    1 Attachment(s)
    • Replies: 3
    • Views: 92
    KrazedZ
    1 Day Ago Go to last post

  11. '97 C5 Corvette wont rev over 6500RPM

    Started by JamesTheriot, 6 Days Ago
    2 Attachment(s)
    • Replies: 9
    • Views: 297
    abc
    1 Day Ago Go to last post

  12. 07 Sierra speedometer reading slow

    Started by Drif10s10, 1 Day Ago
    3 Attachment(s)
    • Replies: 0
    • Views: 45
    Drif10s10
    1 Day Ago Go to last post

  13. 2009 GMC Sierra 5.3 New Tuner

    Started by 09sierraguy, 4 Days Ago
    6 Attachment(s)
    • Replies: 14
    • Views: 294
    dhoagland
    1 Day Ago Go to last post

  14. P59 issue

    Started by 13qtr, 1 Week Ago
    1 Attachment(s)
    • Replies: 10
    • Views: 371
    13qtr
    1 Day Ago Go to last post

  15. Timing going negative at WOT

    Started by cveloz, 3 Days Ago
    5 Attachment(s)
    • Replies: 13
    • Views: 279
    RDF1
    2 Days Ago Go to last post

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

    Started by 001tuner, 4 Days Ago
    5 Attachment(s)
    • Replies: 11
    • Views: 202
    RDF1
    2 Days Ago Go to last post

  17. my ve . check it out please

    Started by mychevyisntheavy, 05-29-2025
    3 Pages •
    1 2 3
    14 Attachment(s)
    • Replies: 59
    • Views: 3,933
    mychevyisntheavy
    2 Days Ago Go to last post

  18. Truck will not build boost

    Started by connerterry24, 1 Week Ago
    1 Attachment(s)
    • Replies: 4
    • Views: 181
    connerterry24
    2 Days Ago Go to last post

  19. gen 3 lq4 bad tune causing p0300?

    Started by 99.arias, 2 Days Ago
    3 Attachment(s)
    • Replies: 9
    • Views: 158
    99.arias
    2 Days Ago Go to last post

  20. 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: 31,570
    toonwarrior
    2 Days Ago Go to last post
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