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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: 107,708
    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: 291,507
    WS6FirebirdTA00
    02-07-2006 Go to last post

  1. 0411 to 97 L29, decision time

    Started by Scott-m, 10-20-2021
    6 Attachment(s)
    • Replies: 15
    • Views: 2,541
    Scott-m
    11-09-2023 Go to last post

  2. Cant figure out no spark

    Started by jchristian24, 11-07-2023
    2 Pages •
    1 2
    3 Attachment(s)
    • Replies: 23
    • Views: 1,704
    edcmat-l1
    11-09-2023 Go to last post

  3. Gm 5.3 3rd gen 3

    Started by LuhReik, 11-07-2023
    4 Attachment(s)
    • Replies: 5
    • Views: 917
    LuhReik
    11-09-2023 Go to last post

  4. Automatic transmission to 4 speed standard

    Started by chevyrides, 11-08-2023
    1 Attachment(s)
    • Replies: 6
    • Views: 673
    TheMechanic
    11-09-2023 Go to last post

  5. Gmc sierra 2005 Rotrix retro SC

    Started by ghost ksa, 11-08-2023
    • Replies: 2
    • Views: 530
    ghost ksa
    11-08-2023 Go to last post

  6. Referenced FP Clarification

    Started by sanfriz, 11-08-2023
    1 Attachment(s)
    • Replies: 3
    • Views: 300
    blindsquirrel
    11-08-2023 Go to last post

  7. GM 5.3 3RD GEN th350 why is iat so high

    Started by LuhReik, 11-07-2023
    2 Attachment(s)
    • Replies: 12
    • Views: 889
    LS ROB
    11-08-2023 Go to last post

  8. Idle Airflow w/ and w/o clutch engaged

    Started by phuz, 10-05-2023
    8 Pages •
    1 2 3 ... 8
    38 Attachment(s)
    • Replies: 144
    • Views: 10,935
    phuz
    11-08-2023 Go to last post

  9. Gen 3 AC Request not functioning

    Started by NobleTech, 11-01-2023
    2 Pages •
    1 2
    7 Attachment(s)
    • Replies: 24
    • Views: 1,891
    edcmat-l1
    11-07-2023 Go to last post

  10. 01 suburban Vats help

    Started by Justamomtryin, 11-07-2023
    • Replies: 8
    • Views: 611
    edcmat-l1
    11-07-2023 Go to last post

  11. Tune help 5.3 Cammed, Hollowed out Cats, No Muffler. 228/230, 585"/.585" 112 LSA

    Started by zshawnz, 10-25-2023
    5 Attachment(s)
    • Replies: 8
    • Views: 948
    SiriusC1024
    11-06-2023 Go to last post

  12. 2003 SS Silverado Flex segment questions

    Started by Matt Vardaman, 11-06-2023
    2 Attachment(s)
    • Replies: 2
    • Views: 374
    Matt Vardaman
    11-06-2023 Go to last post

  13. Gen 3 po1 HPtuners was wrong !

    Started by RawrMotorsports, 11-05-2023
    • Replies: 2
    • Views: 529
    horsepowerguru427
    11-06-2023 Go to last post

  14. 2003 silverado ss flex fuel help. Disabled Vet need help. Thanks

    Started by greg brandt, 10-31-2023
    2 Attachment(s)
    • Replies: 13
    • Views: 851
    kevin87turbot
    11-05-2023 Go to last post

  15. 5.3ls w ls1 bits / T56 swap Tune help needed!!!

    Started by Laki, 11-05-2023
    2 Attachment(s)
    • Replies: 0
    • Views: 288
    Laki
    11-05-2023 Go to last post

  16. Assign injectors to different cylinders?

    Started by tictakman, 05-30-2018
    2 Attachment(s)
    • Replies: 11
    • Views: 5,097
    VT_Redneck
    11-05-2023 Go to last post

  17. 06 silverado cant find same OS for segment swap 4l80

    Started by jcummins, 11-05-2023
    2 Attachment(s)
    • Replies: 9
    • Views: 733
    blindsquirrel
    11-05-2023 Go to last post

  18. '05 Cadillac CTS-V LS6 Current Tune Opinions?

    Started by BuiltLifestyl3, 11-04-2023
    3 Attachment(s)
    • Replies: 7
    • Views: 576
    BuiltLifestyl3
    11-05-2023 Go to last post

  19. Gen 3 PCM to control a bored L33

    Started by AlanDC, 11-05-2023
    • Replies: 1
    • Views: 267
    5FDP
    11-05-2023 Go to last post

  20. PCM controlled alternator behavior question

    Started by Fast4.7, 11-04-2023
    • Replies: 12
    • Views: 1,004
    kingtal0n
    11-05-2023 Go to last post
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