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Forum: GM EFI Systems

TBI - TPI - MPFI - CFI - SFI

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  1. GM ECM - Bins - TunerPro Definition Files - Wiring Diagrams - Tuner Info!

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

    Forum Actions:

    Forum Statistics:

    • Threads: 53
    • Posts: 272

    Last Post:

  1. Skipping/spotty data in logs -7747 TBI

    Started by Cadmaro, 01-10-2024
    2 Pages •
    1 2
    7 Attachment(s)
    • Replies: 19
    • Views: 1,650
    TriumphR3
    01-23-2024 Go to last post

  2. Happy 2024 everyone

    Started by steveo, 01-02-2024
    • Replies: 8
    • Views: 856
    2xls1
    01-23-2024 Go to last post

  3. 68HC11 based PCMs

    Started by Tom H, 01-04-2024
    • Replies: 9
    • Views: 879
    Tom H
    01-21-2024 Go to last post

  4. 1997 F-Body ECM

    Started by Tom H, 01-14-2019
    34 Pages •
    1 2 3 4 5 ... 34
    144 Attachment(s)
    • Replies: 508
    • Views: 345,929
    Tom H
    01-19-2024 Go to last post

  5. Shift Time 0 vs 6.38?

    Started by deva123, 12-31-2023
    1 Attachment(s)
    • Replies: 11
    • Views: 1,012
    sherlock9c1
    01-15-2024 Go to last post

  6. TBI Pressure Regulator & Fuel Pump

    Started by Parts, 01-13-2024
    • Replies: 5
    • Views: 508
    In-Tech
    01-14-2024 Go to last post

  7. 1995 LT1 Camaro Tuning tips

    Started by fourcams, 01-09-2024
    1 Attachment(s)
    • Replies: 8
    • Views: 624
    steveo
    01-13-2024 Go to last post

  8. switching to 3.8l coils $8B

    Started by BigBanks78, 11-07-2023
    2 Pages •
    1 2
    • Replies: 18
    • Views: 2,820
    BigBanks78
    01-08-2024 Go to last post

  9. MEFI 4B Tuning

    Started by martymonaro, 01-03-2024
    2 Attachment(s)
    • Replies: 2
    • Views: 451
    dave w
    01-03-2024 Go to last post

  10. 7427 data logs closed loop issue

    Started by Parts, 01-01-2024
    6 Attachment(s)
    • Replies: 8
    • Views: 635
    Parts
    01-02-2024 Go to last post

  11. Stupid question

    Started by J3920, 01-01-2024
    1 Attachment(s)
    • Replies: 5
    • Views: 458
    Fast355
    01-02-2024 Go to last post

  12. lowering VE at low kPa

    Started by nilak, 12-28-2023
    • Replies: 0
    • Views: 270
    nilak
    12-28-2023 Go to last post

  13. NEED HELP PLEASE ecm swap

    Started by six4chevy, 12-24-2023
    • Replies: 4
    • Views: 508
    six4chevy
    12-24-2023 Go to last post

  14. Question Baseline for 7.4l Vortec long block w/TBI induction?

    Started by Casey, 12-22-2023
    5 Attachment(s)
    • Replies: 13
    • Views: 902
    ralmo94
    12-24-2023 Go to last post

  15. Knock Sensor, Knock Filter, ESC and swaps!

    Started by JeepsAndGuns, 01-18-2013
    3 Pages •
    1 2 3
    7 Attachment(s)
    • Replies: 43
    • Views: 34,259
    daleulan
    12-23-2023 Go to last post

  16. Cannot seem to get AE/PE right

    Started by sntrym95, 12-20-2023
    • Replies: 12
    • Views: 811
    sntrym95
    12-23-2023 Go to last post

  17. MEFI4 passcode

    Started by Mykk, 12-20-2023
    • Replies: 0
    • Views: 269
    Mykk
    12-20-2023 Go to last post

  18. 2005 Silverado PCM

    Started by fish2222, 12-16-2023
    • Replies: 2
    • Views: 453
    fish2222
    12-19-2023 Go to last post

  19. Please help, Code 41 with GM1 Memory Adapter and new prom

    Started by Haleydr82, 12-01-2023
    1 Attachment(s)
    • Replies: 9
    • Views: 2,994
    Haleydr82
    12-13-2023 Go to last post

  20. GM AcDelco E38 ECU Seed/Key finder (testing needed!)

    Started by Datura, 12-11-2023
    1 Attachment(s)
    • Replies: 7
    • Views: 679
    Datura
    12-12-2023 Go to last post
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