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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. Did you ever just loose 10 degrees timing? Math?

    Started by EagleMark, 02-14-2013
    6 Pages •
    1 2 3 4 5 ... 6
    8 Attachment(s)
    • Replies: 75
    • Views: 58,234
    Aksl
    05-30-2016 Go to last post

  2. New Engine Help

    Started by Engine07, 01-29-2015
    6 Pages •
    1 2 3 4 5 ... 6
    6 Attachment(s)
    • Replies: 75
    • Views: 53,604
    Engine07
    03-08-2015 Go to last post

  3. $42 hack and hiway lean cruise patch

    Started by jim_in_dorris, 12-14-2012
    5 Pages •
    1 2 3 4 5
    10 Attachment(s)
    • Replies: 73
    • Views: 56,356
    jim_in_dorris
    05-07-2013 Go to last post

  4. first time start up!

    Started by sgtpoliteness, 05-06-2013
    5 Pages •
    1 2 3 4 5
    18 Attachment(s)
    • Replies: 73
    • Views: 80,491
    sgtpoliteness
    05-13-2013 Go to last post

  5. Vortec Head swap on my '92 TBI 350. Tuning questions.

    Started by jdyates, 06-27-2013
    5 Pages •
    1 2 3 4 5
    3 Attachment(s)
    • Replies: 73
    • Views: 118,738
    dave w
    09-22-2016 Go to last post

  6. Injector duty cycle over 400%

    Started by All4wd, 08-21-2013
    5 Pages •
    1 2 3 4 5
    22 Attachment(s)
    • Replies: 73
    • Views: 48,979
    ony
    10-19-2013 Go to last post

  7. 2 bar tune for Turbo LT1 F-body possible with '93 ECM? DA3

    Started by hotrodf1, 06-29-2018
    5 Pages •
    1 2 3 4 5
    lt1 turbo ecm 14 Attachment(s)
    • Replies: 73
    • Views: 85,919
    Repair
    05-29-2023 Go to last post

  8. adding wideband o2

    Started by hammertime371, 04-06-2012
    5 Pages •
    1 2 3 4 5
    18 Attachment(s)
    • Replies: 72
    • Views: 44,918
    dave w
    04-01-2018 Go to last post

  9. Which P4 PCM should I use

    Started by CDeeZ, 07-03-2012
    5 Pages •
    1 2 3 4 5
    13 Attachment(s)
    • Replies: 72
    • Views: 40,196
    dave w
    07-22-2012 Go to last post

  10. 1228747 to 1227477 swap.

    Started by 1leg, 02-12-2012
    5 Pages •
    1 2 3 4 5
    15 Attachment(s)
    • Replies: 71
    • Views: 52,944
    1leg
    05-13-2012 Go to last post

  11. 85 IROC TPI 1227730 conversion from 1226870

    Started by zaut, 04-09-2012
    5 Pages •
    1 2 3 4 5
    8 Attachment(s)
    • Replies: 71
    • Views: 59,954
    Tunedperformance
    05-05-2012 Go to last post

  12. New to forum with fresh tbi install.

    Started by damanx, 03-11-2013
    5 Pages •
    1 2 3 4 5
    7 Attachment(s)
    • Replies: 71
    • Views: 49,321
    damanx
    05-05-2021 Go to last post

  13. Running poorly/misfiring, code 33

    Started by JeepsAndGuns, 07-17-2023
    5 Pages •
    1 2 3 4 5
    4 Attachment(s)
    • Replies: 71
    • Views: 12,019
    mecanicus
    2 Weeks Ago Go to last post

  14. My twin supercharged tbi 350 miata build

    Started by Shawn1989, 02-23-2015
    5 Pages •
    1 2 3 4 5
    7 Attachment(s)
    • Replies: 70
    • Views: 83,251
    89S10_Project
    10-03-2017 Go to last post

  15. '87 350 TBI, custom application, looking to go bare-bones

    Started by Mrgto68, 12-18-2018
    5 Pages •
    1 2 3 4 5
    29 Attachment(s)
    • Replies: 70
    • Views: 38,656
    Mrgto68
    04-04-2019 Go to last post

  16. hiway lean cruise

    Started by ony, 11-25-2012
    5 Pages •
    1 2 3 4 5
    18 Attachment(s)
    • Replies: 69
    • Views: 49,309
    34blazer
    04-15-2013 Go to last post

  17. Add Highway mode to LT1

    Started by space387, 11-22-2019
    5 Pages •
    1 2 3 4 5
    2 Attachment(s)
    • Replies: 69
    • Views: 46,864
    spfautsch
    12-14-2019 Go to last post

  18. wideband logging

    Started by steveo, 02-15-2014
    5 Pages •
    1 2 3 4 5
    4 Attachment(s)
    • Replies: 68
    • Views: 43,055
    Terminal_Crazy
    12-21-2018 Go to last post

  19. Lean surge 7.4L with TBI

    Started by Dieselsj, 10-20-2020
    5 Pages •
    1 2 3 4 5
    6 Attachment(s)
    • Replies: 68
    • Views: 32,499
    Dieselsj
    05-12-2021 Go to last post

  20. Adding MAT to 350 TBI $0D/7247

    Started by woody80z28, 02-16-2012
    5 Pages •
    1 2 3 4 5
    2 Attachment(s)
    • Replies: 67
    • Views: 46,627
    woody80z28
    04-03-2013 Go to last post
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