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  1. #1
    Fuel Injected!
    Join Date
    Dec 2017
    Age
    49
    Posts
    28

    5.7 Tbi Vortec tune.

    Ok been tuning my newly build engine and have the tune in the ballpark. I am putting my Bin up as a start point for those who wish to use it as a start point for there build.
    Engine specs are as follows
    350 bottom end with a 395 GM cam (no advance or retard)
    Vortec Heads with 1.5 ratio roller tip rockers
    Static compression ratio 9.8-1
    GM vortec to TBI inlet manifold bored out too 2"
    Holley TBI with 65lb injectors
    Fuel is our standard Australian 91 ron
    ECM 16197427
    Base tune Eprom BJYL

    Hope it helps some one who has as similar set up.
    Attached Files Attached Files

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