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  1. 1990 Chevy silverado Z71 5.7 TBI EFI, vortec heads with CSFI conversion. NEED HELP!

    Started by Aksl, 05-31-2016 01:03 AM
    2 Pages •
    1 2
    black box programming, tbi to cfsi, timing issue, vortec head swap, vortec heads conversion
    • Replies: 20
    • Views: 17,933
    Last Post: 06-23-2016 12:30 AM
    by Aksl  Go to last post

    Forum:
    GM EFI Systems

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