its a 270 with a .060 over bore and a big valve 302 head it runs about 7.5 static comp. with a boost of 10 - 12 psi on forged Venolia pistons.[img]https://www.stovebolt.com/ubbthreads/ubbthreads.php/ubb/download/Number/18298/filename/53 Chevy 01 - Copy.jpg[/img][img]https://www.stovebolt.com/ubbthreads/ubbthreads.php/ubb/download/Number/18300/filename/Copy of ebay 1 491.jpg[/img][img]https://www.stovebolt.com/ubbthreads/ubbthreads.php/ubb/download/Number/18301/filename/ebay 1 487.jpg[/img]
Jay D.
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