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Forum: GM EFI Systems

TBI - TPI - MPFI - CFI - SFI

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  1. Each thread is by ECM number with Bins, definition files, wiring diagrams history and tuner information!

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    Forum Statistics:

    • Threads: 53
    • Posts: 268
    • Replies: 0
    • Views: 26,842
    03-03-2011 Go to last post
  1. Open Loop BLM?????

    Started by ralmo94, 1 Hour Ago
    • Replies: 1
    • Views: 12
    1 Hour Ago Go to last post
  2. OBD2 to OBD1 LT1

    Started by fuzzcar, 1 Day Ago
    • Replies: 8
    • Views: 108
    3 Hours Ago Go to last post
  3. Speedo signal from PCM

    Started by JD1964, 3 Days Ago
    • Replies: 14
    • Views: 270
    5 Hours Ago Go to last post
  4. 1997 F-Body ECM

    Started by Tom H, 01-14-2019
    15 Pages
    1 2 3 4 5 ... 15
    • Replies: 224
    • Views: 31,213
    9 Hours Ago Go to last post
  5. 7727 singal or dual pulse at WOT?

    Started by space387, 3 Days Ago
    • Replies: 3
    • Views: 100
    10 Hours Ago Go to last post
  6. Spark Advance Clarification

    Started by bgott, 1 Week Ago
    • Replies: 5
    • Views: 230
    12 Hours Ago Go to last post
  7. Where's CAGS in $8D???

    Started by 90Vette, 4 Days Ago
    • Replies: 3
    • Views: 105
    14 Hours Ago Go to last post
  8. 94 Jimmy Help Spark

    Started by ralmo94, 5 Days Ago
    2 Pages
    1 2
    • Replies: 20
    • Views: 401
    1 Day Ago Go to last post
  9. Flashhack - New LT1 flash tool

    Started by steveo, 04-14-2020
    19 Pages
    1 2 3 4 5 ... 19
    • Replies: 272
    • Views: 16,081
    2 Days Ago Go to last post
  10. LiL Yellow

    Started by TilmanNA, 5 Days Ago
    • Replies: 4
    • Views: 123
    2 Days Ago Go to last post
  11. DIY LTCC or similar system for LT1s

    Started by Aroberson77, 09-08-2017
    47 Pages
    1 2 3 4 5 ... 47
    • Replies: 691
    • Views: 129,613
    3 Days Ago Go to last post
  12. spare ECM

    Started by JD1964, 1 Week Ago
    2 Pages
    1 2
    • Replies: 16
    • Views: 625
    3 Days Ago Go to last post
  13. wideband A/F info

    Started by JD1964, 3 Days Ago
    • Replies: 2
    • Views: 64
    3 Days Ago Go to last post
  14. Should I tune in SD before MAF?

    Started by A95Y, 4 Days Ago
    • Replies: 1
    • Views: 55
    4 Days Ago Go to last post
  15. Is Trimalyzer for SD tunes only

    Started by A95Y, 1 Week Ago
    2 Pages
    1 2
    • Replies: 28
    • Views: 769
    4 Days Ago Go to last post
  16. 93 4l60e tbi

    Started by Devon m., 6 Days Ago
    • Replies: 3
    • Views: 95
    5 Days Ago Go to last post
  17. closed throttle-open throttle

    Started by mecanicus, 1 Week Ago
    • Replies: 2
    • Views: 130
    1 Week Ago Go to last post
  18. Can a 6395 ECM run a MAF system?

    Started by 94TBI, 1 Week Ago
    • Replies: 4
    • Views: 126
    1 Week Ago Go to last post
    • Replies: 5
    • Views: 474
    1 Week Ago Go to last post
  19. Cool 94 F-body LT1 solving problems/tune

    Started by yoheer, 05-01-2020
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,341
    1 Week Ago Go to last post

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