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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: 26,820
    03-03-2011 Go to last post
  1. Speedo signal from PCM

    Started by JD1964, 1 Day Ago
    • Replies: 12
    • Views: 179
    47 Minutes Ago Go to last post
  2. 94 Jimmy Help Spark

    Started by ralmo94, 3 Days Ago
    2 Pages
    1 2
    • Replies: 18
    • Views: 282
    7 Hours Ago Go to last post
    • Replies: 1
    • Views: 45
    9 Hours Ago Go to last post
  3. Flashhack - New LT1 flash tool

    Started by steveo, 04-14-2020
    19 Pages
    1 2 3 4 5 ... 19
    • Replies: 272
    • Views: 15,672
    17 Hours Ago Go to last post
  4. LiL Yellow

    Started by TilmanNA, 3 Days Ago
    • Replies: 4
    • Views: 94
    17 Hours Ago Go to last post
  5. Spark Advance Clarification

    Started by bgott, 1 Week Ago
    • Replies: 2
    • Views: 154
    1 Day Ago Go to last post
  6. DIY LTCC or similar system for LT1s

    Started by Aroberson77, 09-08-2017
    47 Pages
    1 2 3 4 5 ... 47
    • Replies: 691
    • Views: 129,049
    1 Day Ago Go to last post
  7. Where's CAGS in $8D???

    Started by 90Vette, 2 Days Ago
    • Replies: 2
    • Views: 63
    1 Day Ago Go to last post
  8. spare ECM

    Started by JD1964, 1 Week Ago
    2 Pages
    1 2
    • Replies: 16
    • Views: 607
    1 Day Ago Go to last post
  9. wideband A/F info

    Started by JD1964, 1 Day Ago
    • Replies: 2
    • Views: 58
    1 Day Ago Go to last post
  10. Should I tune in SD before MAF?

    Started by A95Y, 2 Days Ago
    • Replies: 1
    • Views: 48
    2 Days Ago Go to last post
  11. Is Trimalyzer for SD tunes only

    Started by A95Y, 1 Week Ago
    2 Pages
    1 2
    • Replies: 28
    • Views: 753
    3 Days Ago Go to last post
  12. 93 4l60e tbi

    Started by Devon m., 4 Days Ago
    • Replies: 3
    • Views: 89
    3 Days Ago Go to last post
  13. closed throttle-open throttle

    Started by mecanicus, 1 Week Ago
    • Replies: 2
    • Views: 119
    6 Days Ago Go to last post
  14. Can a 6395 ECM run a MAF system?

    Started by 94TBI, 6 Days Ago
    • Replies: 4
    • Views: 116
    6 Days Ago Go to last post
    • Replies: 5
    • Views: 463
    1 Week Ago Go to last post
  15. Cool 94 F-body LT1 solving problems/tune

    Started by yoheer, 05-01-2020
    2 Pages
    1 2
    • Replies: 20
    • Views: 1,321
    1 Week Ago Go to last post
  16. Cool Need to identify my PCM

    Started by Snipescastle2, 1 Week Ago
    • Replies: 2
    • Views: 124
    1 Week Ago Go to last post
    • Replies: 7
    • Views: 729
    1 Week Ago Go to last post
  17. Looking for Knowledgeable MAF Tuners

    Started by 84Elky, 2 Weeks Ago
    • Replies: 6
    • Views: 176
    1 Week Ago Go to last post

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