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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: 250,285
    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: 449,484
    WS6FirebirdTA00
    02-07-2006 Go to last post

  1. AFR above 60 KPA goes lean

    Started by billrobbobjo, 1 Day Ago
    2 Attachment(s)
    • Replies: 7
    • Views: 109
    gametech
    3 Hours Ago Go to last post

  2. L59 injectors on 58 psi return less rail

    Started by jimmy1614, 10 Hours Ago
    1 Attachment(s)
    • Replies: 12
    • Views: 94
    jimmy1614
    4 Hours Ago Go to last post

  3. Gen 3 5.3 LSA p01 comp. Lean tip in

    Started by karljamesb1, 2 Days Ago
    1 Attachment(s)
    • Replies: 12
    • Views: 185
    karljamesb1
    5 Hours Ago Go to last post

  4. PO1 with AC pressure transducer

    Started by rubrhammer, 5 Days Ago
    1 Attachment(s)
    • Replies: 11
    • Views: 172
    rubrhammer
    6 Hours Ago Go to last post

  5. 5.3 manual truck stumbles once then fine

    Started by 94heritage, 2 Days Ago
    2 Attachment(s)
    • Replies: 7
    • Views: 166
    twenglish1
    7 Hours Ago Go to last post

  6. Setting injector control tables for return style fuel system with vacuum fpr 99 ls1 f

    Started by 1hotroc, 04-12-2025
    • Replies: 9
    • Views: 1,490
    blindsquirrel
    14 Hours Ago Go to last post

  7. 1.26 Volts at PCM to CNK Sensor

    Started by 123pugsy, 1 Week Ago
    4 Pages •
    1 2 3 ... 4
    12 Attachment(s)
    • Replies: 75
    • Views: 1,737
    blindsquirrel
    16 Hours Ago Go to last post

  8. Question Max Spark limit on P59 calibrations?

    Started by Ratssled, 2 Days Ago
    4 Attachment(s)
    • Replies: 16
    • Views: 261
    Ratssled
    17 Hours Ago Go to last post

  9. 5.3 swap, need CABLE OS

    Started by bk2life, 4 Days Ago
    2 Attachment(s)
    • Replies: 8
    • Views: 177
    Alvin
    18 Hours Ago Go to last post

  10. 1998 F-body repinned to 99+ using P59 PCM questions about segments

    Started by corner worker, 12-05-2016
    • Replies: 6
    • Views: 3,455
    gametech
    1 Day Ago Go to last post

  11. 4l60e to 4l80e swap issues

    Started by Cookie1116, 1 Day Ago
    3 Attachment(s)
    • Replies: 4
    • Views: 88
    Cookie1116
    1 Day Ago Go to last post

  12. LT1 411 Swap No Spark

    Started by SS407, 3 Days Ago
    14 Attachment(s)
    • Replies: 19
    • Views: 460
    Ratssled
    1 Day Ago Go to last post

  13. gen3 2000 p01 needing injector data

    Started by Mike Arsenault, 1 Day Ago
    2 Attachment(s)
    • Replies: 9
    • Views: 92
    Mike Arsenault
    1 Day Ago Go to last post

  14. 5.3 swap obs 4l60e shifting to soon

    Started by Jacog, 1 Day Ago
    3 Attachment(s)
    • Replies: 3
    • Views: 77
    94heritage
    1 Day Ago Go to last post

  15. 5.3 Z motor flex fuel delete question.

    Started by vettemakesemwet, 02-03-2020
    • Replies: 8
    • Views: 7,655
    blindsquirrel
    1 Day Ago Go to last post

  16. new to the tuning world im needing getting my tuck to idle and drive correctly

    Started by Cookie1116, 3 Days Ago
    2 Pages •
    1 2
    7 Attachment(s)
    • Replies: 23
    • Views: 327
    2xLS1
    1 Day Ago Go to last post

  17. Blank OS Tab

    Started by Fastmike91, 01-09-2025
    6 Attachment(s)
    • Replies: 17
    • Views: 1,772
    2xLS1
    1 Day Ago Go to last post

  18. P59 OS differences (pedal)

    Started by Tapi, 1 Week Ago
    3 Attachment(s)
    • Replies: 13
    • Views: 337
    Tapi
    2 Days Ago Go to last post

  19. Unhappy DBW to DBC/P59 to P01 swap

    Started by Bryan.Justiss, 06-06-2024
    2 Pages •
    1 2
    12 Attachment(s)
    • Replies: 22
    • Views: 5,405
    DB5249
    2 Days Ago Go to last post

  20. no rpm signal

    Started by mccarthy69, 03-26-2022
    4 Attachment(s)
    • Replies: 15
    • Views: 9,514
    Ls1patrol
    2 Days Ago Go to last post
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