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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: 271
    • Replies: 0
    • Views: 30,198
    03-03-2011 Go to last post
  1. using aftermarket temp. sensors on 7427 ecm's

    Started by grumbolt, 2 Days Ago
    2 Pages
    1 2
    • Replies: 18
    • Views: 170
    2 Hours Ago Go to last post
  2. 4000 ppm to speedo lt1 94

    Started by honken, 4 Days Ago
    • Replies: 8
    • Views: 152
    4 Hours Ago Go to last post
    • Replies: 12
    • Views: 190
    20 Hours Ago Go to last post
  3. TBI Conversion

    Started by KeyAir, 4 Weeks Ago
    2 Pages
    1 2
    • Replies: 22
    • Views: 610
    2 Days Ago Go to last post
  4. 93 V6 flash

    Started by dbuster, 04-15-2020
    6 Pages
    1 2 3 4 5 ... 6
    • Replies: 84
    • Views: 9,224
    2 Days Ago Go to last post
  5. DIY OBD1 cable (USB)

    Started by kenh397, 2 Weeks Ago
    • Replies: 4
    • Views: 217
    3 Days Ago Go to last post
  6. 7747 Won't Enter Closed Loop At Idle

    Started by SBAdam, 1 Week Ago
    3 Pages
    1 2 3
    • Replies: 32
    • Views: 536
    4 Days Ago Go to last post
  7. 7747 - lean code has me stumped

    Started by Dieselsj, 5 Days Ago
    • Replies: 2
    • Views: 73
    5 Days Ago Go to last post
  8. Tuning question

    Started by clarkent5477, 5 Days Ago
    • Replies: 3
    • Views: 76
    5 Days Ago Go to last post
  9. New to forum with fresh tbi install.

    Started by damanx, 03-11-2013
    5 Pages
    1 2 3 4 5
    • Replies: 70
    • Views: 26,255
    6 Days Ago Go to last post
  10. Its Love at first sight

    Started by Motohead, 1 Week Ago
    2 Pages
    1 2
    • Replies: 24
    • Views: 438
    1 Week Ago Go to last post
  11. Flashhack - New LT1 flash tool

    Started by steveo, 04-14-2020
    20 Pages
    1 2 3 4 5 ... 20
    • Replies: 291
    • Views: 34,896
    1 Week Ago Go to last post
  12. Help needed 1227747 tune

    Started by Sheponaro, 11-10-2020
    • Replies: 10
    • Views: 581
    1 Week Ago Go to last post
  13. 1997 F-Body ECM

    Started by Tom H, 01-14-2019
    22 Pages
    1 2 3 4 5 ... 22
    • Replies: 327
    • Views: 58,088
    2 Weeks Ago Go to last post
    • Replies: 12
    • Views: 471
    2 Weeks Ago Go to last post
  14. 95 Silverado. The fun starts now.

    Started by dusterbd13, 3 Weeks Ago
    • Replies: 7
    • Views: 354
    2 Weeks Ago Go to last post

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