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Thread: boost on a sbc

  1. #1

    boost on a sbc

    hey guys,

    i have a built 383 sbc with splayed caps and rock blocked freese plugs down.

    runing dart pro 1s 215cc with rme ported exhaust.
    bottom end i have a 4340 crank,oliver billet rods, ross custom pistons

    cam is a comp roller 292dur,655 lift intake, and 305dur,670lift exhaust
    compresion ratio is 10.1 to 1

    wanting to run twin garretts in the 70% eff range.

    my question is if i run alcohol on this motor what kind of boost can i achieve without much detination.. i know there is probably a lot more variables just wandering what might be posible. thanks andrew

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