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Thread: Straight Eight Information

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    Straight Eight Information

    I am trying to compile information for the 263 and the 320 to be entered into DynoSym5.
    If you can correct any of this or fill in blanks please help!
    Short Block Buick 263 Buick 320
    No. Cylinders 8 8
    Total Volume 263.3 320.1
    Bore 3.188 3.437
    Stroke 4.125 4.313
    Rod Length 6.625 7.055
    Rod Ratio 1.606 1.636
    Pin Offset 0.0 0.0
    Piston Dome Volume 14cc
    Cylinder Head Volume 116cc

    Cylinder Heads
    Type 2-Valve, Wedge, Low Perf/Stock (any flow test results for a stock or performance head would be great!)
    Intake Valve 1.531 1.781
    Exhaust Valve 1.344 1.437

    Compression Ratio 6.9 7.5

    Cam Specifications

    Piston Dome
    Last edited by Bob; 09-24-2014 at 07:38 AM.


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