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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: 20,565
    03-02-2011 Go to last post
    • Replies: 1
    • Views: 17
    1 Hour Ago Go to last post
  1. Newbie needs a little help.

    Started by F-Body Speed, 1 Day Ago
    • Replies: 3
    • Views: 63
    10 Hours Ago Go to last post
  2. Memcal Function

    Started by bar0403, 19 Hours Ago
    • Replies: 1
    • Views: 29
    10 Hours Ago Go to last post
  3. 7427 4L60E 1st Gear Fuel Cut Off????

    Started by halljam70, 19 Hours Ago
    $0d, 4l60e, 7427, maf, tbi tuning
    • Replies: 0
    • Views: 23
    19 Hours Ago Go to last post
    • Replies: 11
    • Views: 136
    21 Hours Ago Go to last post
  4. EEHack 2019 update

    Started by steveo, 5 Days Ago
    • Replies: 14
    • Views: 306
    22 Hours Ago Go to last post
  5. DIY LTCC or similar system for LT1s

    Started by Aroberson77, 09-08-2017
    30 Pages
    1 2 3 4 5 ... 30
    • Replies: 447
    • Views: 60,935
    1 Day Ago Go to last post
  6. Tuning help needed - '91 TBI 383 w/ Vortec heads

    Started by Daveo91, 10-11-2018
    4 Pages
    1 2 3 4
    • Replies: 58
    • Views: 3,344
    3 Days Ago Go to last post
    • Replies: 4
    • Views: 179
    4 Days Ago Go to last post
  7. L67 swap PCM issue

    Started by Quaraxkad, 1 Week Ago
    • Replies: 10
    • Views: 320
    5 Days Ago Go to last post
  8. EFI Acronyms and Abbreviations

    Started by EagleMark, 05-28-2011
    • Replies: 9
    • Views: 9,748
    6 Days Ago Go to last post
  9. TBI 5.7 swap in my YJ

    Started by DaddyJeep, 04-10-2019
    2 Pages
    1 2
    • Replies: 27
    • Views: 2,081
    6 Days Ago Go to last post
  10. Tuned Vortec TBI to MPFI on 7427

    Started by woody80z28, 03-06-2019
    • Replies: 8
    • Views: 435
    6 Days Ago Go to last post
  11. Wideband setup through apu1

    Started by Stokes1114, 1 Week Ago
    2 Pages
    1 2
    • Replies: 17
    • Views: 517
    6 Days Ago Go to last post
    • Replies: 5
    • Views: 153
    1 Week Ago Go to last post
  12. 1994 Corvette EEHack DataLog Review

    Started by RISK81, 04-06-2019
    2 Pages
    1 2
    • Replies: 19
    • Views: 585
    1 Week Ago Go to last post
  13. Which TBI system is better?

    Started by KeyAir, 11-06-2014
    3 Pages
    1 2 3
    • Replies: 41
    • Views: 18,668
    1 Week Ago Go to last post
    • Replies: 7
    • Views: 391
    2 Weeks Ago Go to last post
    • Replies: 11
    • Views: 198
    2 Weeks Ago Go to last post
  14. low BLM

    Started by dhworkin, 01-02-2019
    4 Pages
    1 2 3 4
    • Replies: 48
    • Views: 2,002
    2 Weeks Ago Go to last post

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