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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
  1. 5.7 Tbi Vortec tune.

    Started by Keith74, 02-10-2018
    2 Pages
    1 2
    • Replies: 18
    • Views: 2,248
    06-18-2018 Go to last post
    • Replies: 10
    • Views: 608
    06-16-2018 Go to last post
  2. Fuel Delivery Help

    Started by Dom, 05-30-2018
    • Replies: 5
    • Views: 471
    06-15-2018 Go to last post
  3. Factory TBI w/ flat top pistons?

    Started by tayto, 06-09-2018
    • Replies: 10
    • Views: 687
    06-14-2018 Go to last post
  4. WBO2 Near idle Loging

    Started by Dom, 06-14-2018
    • Replies: 0
    • Views: 181
    06-14-2018 Go to last post
  5. Troubleshoot surging at idle

    Started by only_1, 05-22-2018
    3 Pages
    1 2 3
    • Replies: 34
    • Views: 2,004
    06-13-2018 Go to last post
    • Replies: 5
    • Views: 703
    06-12-2018 Go to last post
    • Replies: 6
    • Views: 400
    06-11-2018 Go to last post
    • Replies: 2
    • Views: 270
    06-10-2018 Go to last post
  6. The ultimate LT1 $$EE patch thread

    Started by kur4o, 10-30-2015
    6 Pages
    1 2 3 4 5 ... 6
    • Replies: 77
    • Views: 15,702
    06-10-2018 Go to last post
    • Replies: 2
    • Views: 264
    06-08-2018 Go to last post
  7. GM TBI Injector size, color and part numbers

    Started by EagleMark, 03-29-2011
    2 Pages
    1 2
    • Replies: 23
    • Views: 52,088
    06-06-2018 Go to last post
    • Replies: 4
    • Views: 377
    06-04-2018 Go to last post
    • Replies: 9
    • Views: 1,035
    05-29-2018 Go to last post
    • Replies: 2
    • Views: 265
    05-27-2018 Go to last post
  8. Nasty misfire

    Started by pro, 05-26-2018
    • Replies: 0
    • Views: 157
    05-26-2018 Go to last post
  9. Down grading pcm

    Started by myburb, 05-24-2018
    • Replies: 5
    • Views: 381
    05-25-2018 Go to last post
    • Replies: 3
    • Views: 381
    05-24-2018 Go to last post
  10. 5.7 tbi - larger cam tune advice needed

    Started by bdads, 05-11-2018
    2 Pages
    1 2
    • Replies: 24
    • Views: 1,591
    05-24-2018 Go to last post
    • Replies: 2
    • Views: 245
    05-24-2018 Go to last post

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