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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: 273

    Last Post:

  1. 1986 IROC with ZZ4 350

    Started by ZEDRATED, 09-27-2013
    8 Attachment(s)
    • Replies: 154
    • Views: 106,599
    ZEDRATED
    08-17-2014 Go to last post

  2. EEHack 2019 update

    Started by steveo, 05-21-2019
    14 Attachment(s)
    • Replies: 154
    • Views: 163,711
    steveo
    02-20-2020 Go to last post

  3. BCCFInd Mistakes, Wants, ETC

    Started by 1project2many, 02-08-2012
    12 Attachment(s)
    • Replies: 149
    • Views: 84,248
    1project2many
    06-26-2013 Go to last post

  4. 7427 install, first impressions

    Started by JeepsAndGuns, 10-02-2011
    13 Attachment(s)
    • Replies: 147
    • Views: 109,056
    sfara002
    09-02-2016 Go to last post

  5. Just got my AutoProm!

    Started by Xenon, 01-17-2013
    21 Attachment(s)
    • Replies: 147
    • Views: 85,618
    Xenon
    10-20-2013 Go to last post

  6. All O2 sensors created equal?

    Started by JeepsAndGuns, 11-18-2012
    26 Attachment(s)
    • Replies: 145
    • Views: 102,388
    EagleMark
    04-08-2013 Go to last post

  7. 94 Buick RoadMaster Estate Wagon LT 1 issues

    Started by Bentwings, 08-12-2019
    8 Attachment(s)
    • Replies: 145
    • Views: 151,259
    daveosx
    06-10-2020 Go to last post

  8. VE coming out way over 100

    Started by Mastiff, 02-29-2012
    6 Attachment(s)
    • Replies: 144
    • Views: 78,688
    FSJ Guy
    07-10-2012 Go to last post

  9. EE dissection

    Started by steveo, 02-21-2014
    30 Attachment(s)
    • Replies: 144
    • Views: 104,320
    johnny_b
    10-04-2017 Go to last post

  10. choke adjustment on 7747

    Started by hammertime371, 05-01-2012
    41 Attachment(s)
    • Replies: 135
    • Views: 54,727
    hammertime371
    06-04-2012 Go to last post

  11. what im missing here

    Started by rytari, 10-13-2013
    36 Attachment(s)
    • Replies: 132
    • Views: 82,352
    ony
    02-03-2016 Go to last post

  12. PCM 16196396 Range selector 4L60E?

    Started by Rob 689, 09-19-2022
    26 Attachment(s)
    • Replies: 131
    • Views: 16,713
    Rob 689
    10-12-2022 Go to last post

  13. TBI 350 Target Idle Speed

    Started by maronielb, 02-27-2024
    azdr, high idle, tbi 8 Attachment(s)
    • Replies: 131
    • Views: 7,057
    maronielb
    5 Days Ago Go to last post

  14. Silly Questions

    Started by lakedrifter, 07-28-2015
    3 Attachment(s)
    • Replies: 123
    • Views: 72,729
    lakedrifter
    05-15-2016 Go to last post

  15. Synch vs Asynch fueling

    Started by 1project2many, 12-12-2012
    15 Attachment(s)
    • Replies: 122
    • Views: 95,049
    ony
    06-11-2013 Go to last post

  16. Ecm is not sending a signal to trigger iac

    Started by joegreen, 12-18-2014
    31 Attachment(s)
    • Replies: 121
    • Views: 74,787
    joegreen
    06-10-2015 Go to last post

  17. Project MULE - 350 Vortec Tuned Port Injection build on 91 Suburban.

    Started by pma4x4, 06-11-2014
    26 Attachment(s)
    • Replies: 119
    • Views: 76,099
    bybyc5
    01-03-2015 Go to last post

  18. Closing in on a problem

    Started by 1great40, 06-20-2014
    9 Attachment(s)
    • Replies: 117
    • Views: 125,336
    1great40
    06-08-2015 Go to last post

  19. What efi system is best for a 4.5 pfi cadillac engine7

    Started by S.O.B.B., 11-26-2017
    44 Attachment(s)
    • Replies: 113
    • Views: 131,158
    S.O.B.B.
    10-28-2019 Go to last post

  20. Retrofit 24x reluctor to early V8

    Started by Jim Blackwood, 02-22-2020
    42 Attachment(s)
    • Replies: 113
    • Views: 80,511
    Jim Blackwood
    06-14-2020 Go to last post
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