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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: 109,245
    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: 293,773
    WS6FirebirdTA00
    02-07-2006 Go to last post

  1. Wants to die shifting from drive to reverse

    Started by Bum454ss, 1 Day Ago
    4 Attachment(s)
    • Replies: 9
    • Views: 203
    ns158sl
    1 Hour Ago Go to last post

  2. Scaled boost tune 50%

    Started by 04silverado6.0, 1 Hour Ago
    2 Attachment(s)
    • Replies: 0
    • Views: 16
    04silverado6.0
    1 Hour Ago Go to last post

  3. 5.3 turbo startup tune

    Started by Slyash50, 2 Days Ago
    1 Attachment(s)
    • Replies: 1
    • Views: 94
    bk2life
    3 Hours Ago Go to last post

  4. GEN 3 PCM Siemens Deka 80lb Hp Tuners calibration

    Started by kaizen, 1 Day Ago
    7 Attachment(s)
    • Replies: 11
    • Views: 281
    bk2life
    3 Hours Ago Go to last post

  5. 03 Silverado 1500hd 6.0 Mods Won't Now barely idles

    Started by oldnoob, 4 Weeks Ago
    8 Attachment(s)
    • Replies: 13
    • Views: 589
    bk2life
    3 Hours Ago Go to last post

  6. P59 injectors scaling???

    Started by promobass, 10 Hours Ago
    • Replies: 5
    • Views: 117
    2xLS1
    6 Hours Ago Go to last post

  7. Rpm limits of p59

    Started by garryharris841, 08-02-2023
    • Replies: 8
    • Views: 812
    Fullpower
    11 Hours Ago Go to last post

  8. 92mm Throttle Body IAC Rough idle under load

    Started by Crishrodriguez, 5 Days Ago
    5 Attachment(s)
    • Replies: 10
    • Views: 300
    RonSSnova
    14 Hours Ago Go to last post

  9. Need help with AC turn on and timing.

    Started by abc, 16 Hours Ago
    2 Attachment(s)
    • Replies: 2
    • Views: 60
    abc
    15 Hours Ago Go to last post

  10. 2000 z28 ses codes won't go away

    Started by Ballenws4, 1 Day Ago
    1 Attachment(s)
    • Replies: 11
    • Views: 226
    Ballenws4
    16 Hours Ago Go to last post

  11. P1514 while SD tuning '98 C5

    Started by Moomba45, 2 Days Ago
    4 Attachment(s)
    • Replies: 10
    • Views: 223
    Moomba45
    1 Day Ago Go to last post

  12. What am I doing wrong? SD Tuning on cammed LQ9

    Started by borrone821, 1 Day Ago
    11 Attachment(s)
    • Replies: 7
    • Views: 193
    borrone821
    1 Day Ago Go to last post

  13. LS tune help

    Started by Lshungy, 2 Days Ago
    2 Attachment(s)
    • Replies: 4
    • Views: 182
    Lshungy
    1 Day Ago Go to last post

  14. I need help, I can not figure this out!

    Started by Texas_WS6, 06-17-2010
    2 Pages •
    1 2
    3 Attachment(s)
    • Replies: 38
    • Views: 15,214
    nathanhine1977
    1 Day Ago Go to last post

  15. 5.3 Gt45 newb

    Started by Jabootydawiz, 10-30-2023
    8 Pages •
    1 2 3 ... 8
    73 Attachment(s)
    • Replies: 142
    • Views: 15,171
    Jabootydawiz
    2 Days Ago Go to last post

  16. Idle and initial drive tune support needed

    Started by SilverS2kV8, 4 Days Ago
    1 Attachment(s)
    • Replies: 8
    • Views: 350
    SilverS2kV8
    3 Days Ago Go to last post

  17. Humble ask for a tune check (clean up on aisle 3)

    Started by GBull, 4 Days Ago
    2 Attachment(s)
    • Replies: 15
    • Views: 451
    GBull
    3 Days Ago Go to last post

  18. Egr enable/disable button

    Started by RIP1976, 08-07-2019
    • Replies: 8
    • Views: 6,000
    TheMechanic
    3 Days Ago Go to last post

  19. New to tuning have a 412 injector question

    Started by yotebluffshooter, 6 Days Ago
    1 Attachment(s)
    • Replies: 9
    • Views: 201
    yotebluffshooter
    3 Days Ago Go to last post

  20. underboosting

    Started by Bobers9, 4 Days Ago
    3 Attachment(s)
    • Replies: 4
    • Views: 234
    SiriusC1024
    3 Days Ago Go to last post
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