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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: 106,851
    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: 290,701
    WS6FirebirdTA00
    02-07-2006 Go to last post

  1. GEN3 Tuning Injector Data

    Started by rwilson2510, 08-19-2022
    3 Pages •
    1 2 3
    11 Attachment(s)
    • Replies: 51
    • Views: 9,177
    blindsquirrel
    02-09-2023 Go to last post

  2. OS swap

    Started by jonnyboy, 02-08-2023
    1 Attachment(s)
    • Replies: 1
    • Views: 568
    kevin87turbot
    02-09-2023 Go to last post

  3. LQ4 stroker idle problems

    Started by MHK5, 01-21-2023
    8 Attachment(s)
    • Replies: 10
    • Views: 1,685
    MHK5
    02-08-2023 Go to last post

  4. 1998 vortec connection issues

    Started by tlott44, 02-07-2023
    • Replies: 10
    • Views: 1,146
    tlott44
    02-08-2023 Go to last post

  5. Lean for ~30 seconds after start up

    Started by fastslvblkcar, 02-08-2023
    4 Attachment(s)
    • Replies: 3
    • Views: 547
    GHuggins
    02-08-2023 Go to last post

  6. Dirty 2 step ?

    Started by Dal.2000, 02-06-2023
    • Replies: 6
    • Views: 1,080
    RDF1
    02-08-2023 Go to last post

  7. Tach is off by 30% on L29 0411 PCM setup

    Started by brusk001, 02-07-2023
    • Replies: 1
    • Views: 587
    TheMechanic
    02-07-2023 Go to last post

  8. Question Can you VIEW a scan in 3 bar, on a 2 bar OS, if you have a 3 bar MAP sensor?

    Started by rel3rd, 07-07-2021
    4 Attachment(s)
    • Replies: 6
    • Views: 1,526
    kevin87turbot
    02-07-2023 Go to last post

  9. Mpvi2 not talking to PCM please help

    Started by X_Racing1, 01-24-2023
    • Replies: 10
    • Views: 1,172
    GHuggins
    02-05-2023 Go to last post

  10. Any good GM gen 3 LS tuners in the North Tampa Florida area?

    Started by 04Silverado4.8S366, 02-05-2023
    • Replies: 1
    • Views: 572
    N2speed
    02-05-2023 Go to last post

  11. crank, no start after changing injector data

    Started by djamesp, 02-04-2023
    5 Attachment(s)
    • Replies: 7
    • Views: 1,060
    djamesp
    02-05-2023 Go to last post

  12. Help with GM 25326903 injector Data- 04 Silverado

    Started by 04Silverado4.8S366, 02-05-2023
    • Replies: 3
    • Views: 1,146
    blindsquirrel
    02-05-2023 Go to last post

  13. Idle hiccup after warm start

    Started by jfigus, 02-05-2023
    • Replies: 0
    • Views: 376
    jfigus
    02-05-2023 Go to last post

  14. dfco settings

    Started by 6.0 van, 06-06-2022
    4 Pages •
    1 2 3 ... 4
    2 Attachment(s)
    • Replies: 68
    • Views: 19,071
    murfie
    02-05-2023 Go to last post

  15. 8.1 dbc conversion help

    Started by 94heritage, 02-04-2023
    • Replies: 6
    • Views: 930
    Fast4.7
    02-04-2023 Go to last post

  16. Best tuning strategy for T56 into 2005 4.8 4L60 GMT800

    Started by eighty6gt, 01-23-2023
    • Replies: 3
    • Views: 1,059
    eighty6gt
    02-04-2023 Go to last post

  17. Which cable do I need to tune a 2004 Avalanche?

    Started by _Bowser_, 01-30-2023
    • Replies: 10
    • Views: 1,029
    kevin87turbot
    02-04-2023 Go to last post

  18. L29 454 Idle tuning assistance

    Started by brusk001, 02-03-2023
    3 Attachment(s)
    • Replies: 0
    • Views: 491
    brusk001
    02-03-2023 Go to last post

  19. Cammed C5 stumbles when going into gear. Cracker or follower?

    Started by JASON11WS6, 01-31-2023
    • Replies: 11
    • Views: 1,387
    2xLS1
    02-03-2023 Go to last post

  20. Having trouble tuning VE LTFT

    Started by taguru, 02-02-2023
    2 Attachment(s)
    • Replies: 6
    • Views: 876
    Alvin
    02-03-2023 Go to last post
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