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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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    • Threads: 53
    • Posts: 268
    • Replies: 0
    • Views: 20,311
    03-02-2011 Go to last post
  1. Tuning help needed - '91 TBI 383 w/ Vortec heads

    Started by Daveo91, 10-11-2018
    2 Pages
    1 2
    • Replies: 22
    • Views: 1,612
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    • Views: 36
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    • Replies: 1
    • Views: 76
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  2. Help with ecm ident

    Started by myburb, 2 Days Ago
    • Replies: 2
    • Views: 66
    2 Days Ago Go to last post
    • Replies: 2
    • Views: 290
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    • Replies: 4
    • Views: 100
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  3. TBI 5.7 swap in my YJ

    Started by DaddyJeep, 2 Weeks Ago
    2 Pages
    1 2
    • Replies: 21
    • Views: 307
    2 Days Ago Go to last post
  4. knock counter

    Started by ddiamondav, 2 Weeks Ago
    • Replies: 11
    • Views: 311
    2 Days Ago Go to last post
  5. 4l80e limp mode problem

    Started by ph4ze, 2 Weeks Ago
    2 Pages
    1 2
    • Replies: 26
    • Views: 510
    2 Days Ago Go to last post
  6. 4L60e to 700R4 PCM

    Started by tgelles, 1 Week Ago
    • Replies: 13
    • Views: 219
    3 Days Ago Go to last post
  7. Aldl cable help

    Started by old truck guy, 3 Days Ago
    • Replies: 0
    • Views: 43
    3 Days Ago Go to last post
  8. low BLM

    Started by dhworkin, 01-02-2019
    2 Pages
    1 2
    • Replies: 22
    • Views: 1,099
    3 Days Ago Go to last post
    • Replies: 2
    • Views: 229
    5 Days Ago Go to last post
  9. Fuel pump controller

    Started by srgould41, 5 Days Ago
    • Replies: 3
    • Views: 84
    5 Days Ago Go to last post
  10. Hard stumble under load

    Started by Rittercon, 1 Week Ago
    • Replies: 6
    • Views: 174
    5 Days Ago Go to last post
    • Replies: 5
    • Views: 205
    6 Days Ago Go to last post
    • Replies: 1
    • Views: 66
    6 Days Ago Go to last post

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