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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: 234,457
    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: 433,292
    WS6FirebirdTA00
    02-07-2006 Go to last post

  1. 1984 C-10 LS Swapped 5.3L Twin Turbo

    Started by blindsquirrel, 1 Day Ago
    2 Attachment(s)
    • Replies: 9
    • Views: 208
    RDF1
    5 Hours Ago Go to last post

  2. Pulling time on WOT but wideband shows neither too rich or lean

    Started by toonwarrior, 03-17-2024
    5 Pages •
    1 2 3 ... 5
    62 Attachment(s)
    • Replies: 90
    • Views: 21,543
    toonwarrior
    7 Hours Ago Go to last post

  3. Gen3 LQ4 Newbie Tuning

    Started by [email protected], 7 Hours Ago
    4 Attachment(s)
    • Replies: 0
    • Views: 41
    [email protected]
    7 Hours Ago Go to last post

  4. Going Lean on Throttle Tip In

    Started by maxpower_454, 1 Day Ago
    2 Pages •
    1 2
    2 Attachment(s)
    • Replies: 20
    • Views: 326
    maxpower_454
    8 Hours Ago Go to last post

  5. Random Hot Crank No Start

    Started by tvsrjeff, 08-09-2024
    2 Pages •
    1 2
    11 Attachment(s)
    • Replies: 35
    • Views: 2,865
    Alvin
    8 Hours Ago Go to last post

  6. Idle flair up on Cold/ first start up

    Started by GMTECH704, 22 Hours Ago
    3 Attachment(s)
    • Replies: 6
    • Views: 137
    Alvin
    9 Hours Ago Go to last post

  7. 2004 lq4 starting issues

    Started by jaybuller, 1 Week Ago
    2 Pages •
    1 2
    7 Attachment(s)
    • Replies: 21
    • Views: 900
    Alvin
    9 Hours Ago Go to last post

  8. O2 sensor operation and V-Band exhaust coupler inquiry

    Started by GBull, 16 Hours Ago
    • Replies: 5
    • Views: 141
    gametech
    10 Hours Ago Go to last post

  9. 02 8.1 injectors ?

    Started by InandOutPerfromance, 1 Day Ago
    • Replies: 11
    • Views: 169
    InandOutPerfromance
    14 Hours Ago Go to last post

  10. Need help diagnosing lean issue and p0131 and p0151 codes

    Started by Ramba_ral, 3 Weeks Ago
    2 Attachment(s)
    • Replies: 8
    • Views: 402
    gtstorey
    15 Hours Ago Go to last post

  11. Injector Firing Gen 3 5.3

    Started by Lowhd01, 1 Day Ago
    • Replies: 6
    • Views: 123
    blindsquirrel
    17 Hours Ago Go to last post

  12. Tuned PCM Stops Priming Fuel, Weird Issue

    Started by Seooptimizer, 1 Day Ago
    1 Attachment(s)
    • Replies: 4
    • Views: 118
    Alvin
    18 Hours Ago Go to last post

  13. Fighting a weird idle issue on start up tune LQ9 Truck Norris Cam

    Started by joshss, 2 Days Ago
    3 Attachment(s)
    • Replies: 7
    • Views: 203
    joshss
    1 Day Ago Go to last post

  14. Stock file needed

    Started by truckaroundfindout23, 01-26-2025
    6 Attachment(s)
    • Replies: 7
    • Views: 763
    truckaroundfindout23
    1 Day Ago Go to last post

  15. 411 PCM on BBC, Temp Sender Question

    Started by 123pugsy, 2 Days Ago
    • Replies: 8
    • Views: 206
    123pugsy
    1 Day Ago Go to last post

  16. Rich @ WOT

    Started by GMTECH704, 3 Days Ago
    • Replies: 5
    • Views: 216
    Alvin
    2 Days Ago Go to last post

  17. Injector Ignorance (Return to Returnless)

    Started by Shank, 2 Weeks Ago
    5 Attachment(s)
    • Replies: 15
    • Views: 417
    Shank
    2 Days Ago Go to last post

  18. Post 1/8 Mile Grocery Getter 05 Crew Cab Silverado

    Started by NOKNFOZ, 5 Days Ago
    10 Attachment(s)
    • Replies: 10
    • Views: 439
    NOKNFOZ
    2 Days Ago Go to last post

  19. First Time LS swapping?

    Started by LSMonteCarlo, 3 Days Ago
    2 Attachment(s)
    • Replies: 4
    • Views: 212
    LSMonteCarlo
    3 Days Ago Go to last post

  20. Trying to wake up lazy O2 sensors after Longtube install

    Started by GBull, 1 Week Ago
    2 Attachment(s)
    • Replies: 14
    • Views: 621
    GBull
    4 Days Ago Go to last post
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