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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: 17,048
    03-02-2011 Go to last post
  1. $EE tuning questions

    Started by Dirtybob, 19 Hours Ago
    • Replies: 2
    • Views: 30
    2 Hours Ago Go to last post
  2. Fuel Pump Recommendations

    Started by dktool, 15 Hours Ago
    • Replies: 1
    • Views: 48
    13 Hours Ago Go to last post
    • Replies: 41
    • Views: 787
    13 Hours Ago Go to last post
  3. VRFPR with 16197427 Strategy

    Started by bgott, 2 Days Ago
    • Replies: 8
    • Views: 177
    1 Day Ago Go to last post
  4. 5.7 tbi - larger cam tune advice needed

    Started by bdads, 1 Week Ago
    2 Pages
    1 2
    • Replies: 22
    • Views: 497
    1 Day Ago Go to last post
  5. Cammed TBI

    Started by CDeeZ, 1 Day Ago
    • Replies: 0
    • Views: 40
    1 Day Ago Go to last post
  6. 4L60E Pre-Mature Lockup Question

    Started by kevinvinv, 4 Days Ago
    • Replies: 0
    • Views: 55
    4 Days Ago Go to last post
  7. $85 / $D8 With Manual Trans

    Started by dave w, 5 Days Ago
    • Replies: 3
    • Views: 97
    5 Days Ago Go to last post
  8. 4L80 control

    Started by CDeeZ, 6 Days Ago
    • Replies: 3
    • Views: 151
    5 Days Ago Go to last post
  9. Found a Holley TBI for $5........

    Started by CDeeZ, 03-11-2018
    2 Pages
    1 2
    • Replies: 24
    • Views: 1,793
    6 Days Ago Go to last post
  10. Spark plug gap?

    Started by Kitch, 1 Week Ago
    • Replies: 3
    • Views: 94
    6 Days Ago Go to last post
  11. DFCO tuning OD / 16197427

    Started by gdrudy, 1 Week Ago
    • Replies: 0
    • Views: 44
    1 Week Ago Go to last post
  12. Red face How to create xdf file

    Started by S.O.B.B., 4 Weeks Ago
    • Replies: 7
    • Views: 296
    1 Week Ago Go to last post
  13. BLM cells

    Started by woody80z28, 1 Week Ago
    • Replies: 0
    • Views: 52
    1 Week Ago Go to last post
  14. new $EE tuning thing!

    Started by steveo, 10-05-2015
    67 Pages
    1 2 3 4 5 ... 67
    • Replies: 1,001
    • Views: 175,775
    1 Week Ago Go to last post
  15. Fuel pressure with a EP381

    Started by Kitch, 1 Week Ago
    • Replies: 3
    • Views: 142
    1 Week Ago Go to last post
  16. DIY LTCC or similar system for LT1s

    Started by Aroberson77, 09-08-2017
    25 Pages
    1 2 3 4 5 ... 25
    • Replies: 365
    • Views: 25,813
    1 Week Ago Go to last post
  17. how to accurately test ECM?

    Started by Tyree, 3 Weeks Ago
    2 Pages
    1 2
    • Replies: 24
    • Views: 852
    1 Week Ago Go to last post
  18. air gap

    Started by ony, 1 Week Ago
    • Replies: 2
    • Views: 93
    1 Week Ago Go to last post

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