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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: 273
  1. truck only running in open loop?

    Started by joegreen, 03-15-2017
    • Replies: 3
    • Views: 3,863
    03-16-2017 Go to last post
  2. 400 SBC Tune

    Started by wtjoker, 03-06-2017
    • Replies: 11
    • Views: 8,455
    03-16-2017 Go to last post
  3. 1992 tbi issues

    Started by Tracy, 03-16-2017
    350 tbi, chevy tbi
    • Replies: 0
    • Views: 2,370
    03-16-2017 Go to last post
    • Replies: 0
    • Views: 2,133
    03-15-2017 Go to last post
  4. New bad O2 or something else.

    Started by eutu1960, 02-27-2017
    • Replies: 2
    • Views: 3,237
    03-12-2017 Go to last post
    • Replies: 13
    • Views: 8,241
    03-10-2017 Go to last post
  5. Lightbulb Too rich after cold start?

    Started by BigBanks78, 03-04-2017
    • Replies: 6
    • Views: 6,150
    03-09-2017 Go to last post
  6. TBI 16168625 to LT1 16188051 Swap No TCC lock up??

    Started by bybyc5, 03-04-2017
    2 Pages
    1 2
    • Replies: 19
    • Views: 12,264
    03-09-2017 Go to last post
    • Replies: 12
    • Views: 8,617
    03-07-2017 Go to last post
  7. 8625 $E6 Open loop tuning help

    Started by zuk1972, 11-20-2016
    • Replies: 8
    • Views: 7,801
    03-07-2017 Go to last post
  8. 95 z28 lt1 dies

    Started by firemechanic909, 03-06-2017
    • Replies: 1
    • Views: 2,407
    03-06-2017 Go to last post
  9. Question 4.3L to 5.7L TBI conversion

    Started by skidatyl, 02-21-2017
    • Replies: 3
    • Views: 4,065
    02-28-2017 Go to last post
  10. 1227747 I/O questions

    Started by uncabob, 02-28-2017
    • Replies: 7
    • Views: 5,846
    02-28-2017 Go to last post
  11. 1991 V30 4l80E w/Duramax

    Started by pelagic, 01-20-2017
    • Replies: 2
    • Views: 3,564
    02-28-2017 Go to last post
  12. Recommended Fuel Pressure?

    Started by JCampbell, 02-18-2017
    • Replies: 6
    • Views: 6,305
    02-24-2017 Go to last post
    • Replies: 4
    • Views: 4,520
    02-22-2017 Go to last post
  13. Truck falls flat after 3000 rpm.

    Started by joegreen, 01-26-2017
    3 Pages
    1 2 3
    • Replies: 38
    • Views: 26,171
    02-21-2017 Go to last post
  14. Ideas on chip relocation.

    Started by joegreen, 02-06-2017
    2 Pages
    1 2
    • Replies: 16
    • Views: 12,051
    02-20-2017 Go to last post
  15. Wideband data logging

    Started by TipTricky, 10-21-2016
    • Replies: 3
    • Views: 4,870
    02-19-2017 Go to last post

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