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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: 109,040
    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: 293,436
    WS6FirebirdTA00
    02-07-2006 Go to last post

  1. 1999 Trans am intermittent high idle with AC on

    Started by trocc4, 06-30-2023
    2 Pages •
    1 2
    6 Attachment(s)
    • Replies: 27
    • Views: 1,191
    Alvin
    3 Minutes Ago Go to last post

  2. Wont build boost

    Started by sanfriz, 12 Hours Ago
    7 Attachment(s)
    • Replies: 15
    • Views: 143
    Alvin
    20 Minutes Ago Go to last post

  3. 2005 Silverado 1500 5.3 L33 Truck Norris Cam. Wont start without throttle when hot

    Started by colin7761, 11 Hours Ago
    2 Attachment(s)
    • Replies: 7
    • Views: 75
    Alvin
    39 Minutes Ago Go to last post

  4. How to deal with warm start after heat soak?

    Started by abc, 57 Minutes Ago
    2 Attachment(s)
    • Replies: 1
    • Views: 15
    Alvin
    46 Minutes Ago Go to last post

  5. New to tuning have a 412 injector question

    Started by yotebluffshooter, 12 Hours Ago
    1 Attachment(s)
    • Replies: 8
    • Views: 93
    Alvin
    50 Minutes Ago Go to last post

  6. 5.3 Gt45 newb

    Started by Jabootydawiz, 10-30-2023
    8 Pages •
    1 2 3 ... 8
    72 Attachment(s)
    • Replies: 141
    • Views: 14,676
    Jabootydawiz
    54 Minutes Ago Go to last post

  7. Truck Norris cam

    Started by Aaronwelling1, 5 Days Ago
    2 Pages •
    1 2
    5 Attachment(s)
    • Replies: 22
    • Views: 577
    edcmat-l1
    2 Hours Ago Go to last post

  8. Random large negative fuel trims questions

    Started by weston, 13 Hours Ago
    3 Attachment(s)
    • Replies: 1
    • Views: 73
    SiriusC1024
    9 Hours Ago Go to last post

  9. LQ4 with Summit 8707 cam with stock 8.1 injectors

    Started by Evracer, 4 Weeks Ago
    2 Pages •
    1 2
    4 Attachment(s)
    • Replies: 29
    • Views: 965
    SiriusC1024
    9 Hours Ago Go to last post

  10. 228 232 110 lsa inch and 7/8 headers 3inch y pipe

    Started by [email protected], 20 Hours Ago
    1 Attachment(s)
    • Replies: 1
    • Views: 72
    5FDP
    15 Hours Ago Go to last post

  11. Need help with first start

    Started by LeadFootedRacer, 1 Day Ago
    2 Pages •
    1 2
    9 Attachment(s)
    • Replies: 29
    • Views: 526
    blindsquirrel
    18 Hours Ago Go to last post

  12. O2 reading lean issues...

    Started by nosbaby, 1 Day Ago
    7 Attachment(s)
    • Replies: 13
    • Views: 327
    blindsquirrel
    18 Hours Ago Go to last post

  13. Idle airflow tuning %

    Started by dragracn, 1 Day Ago
    • Replies: 0
    • Views: 106
    dragracn
    1 Day Ago Go to last post

  14. ECU With "y" VIN and Serial

    Started by Actaeon, 4 Days Ago
    2 Pages •
    1 2
    2 Attachment(s)
    • Replies: 20
    • Views: 441
    04silverado6.0
    1 Day Ago Go to last post

  15. 01 Silverado 6.0 New To Tuning Help

    Started by eric77ward, 1 Day Ago
    2 Attachment(s)
    • Replies: 7
    • Views: 236
    2xLS1
    1 Day Ago Go to last post

  16. 4.8L with fuel trim issues please someone review this log🙏

    Started by Tylerhether, 2 Days Ago
    5 Attachment(s)
    • Replies: 12
    • Views: 412
    Tylerhether
    1 Day Ago Go to last post

  17. 4.8 Truck norris dies when letting off throttle

    Started by Mike Heyboer, 1 Day Ago
    4 Attachment(s)
    • Replies: 0
    • Views: 79
    Mike Heyboer
    1 Day Ago Go to last post

  18. 02 5.3 turbo rich idle

    Started by silverustoturbo, 4 Days Ago
    13 Attachment(s)
    • Replies: 17
    • Views: 418
    silverustoturbo
    2 Days Ago Go to last post

  19. Egr enable/disable button

    Started by RIP1976, 08-07-2019
    • Replies: 7
    • Views: 5,899
    Clowther
    2 Days Ago Go to last post

  20. First attempt at tuning advice needed

    Started by Buckeye79, 3 Days Ago
    3 Attachment(s)
    • Replies: 12
    • Views: 277
    blindsquirrel
    2 Days Ago Go to last post
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