ok i wanted to post this to see if anyone may know what the deal is i have a 1972 chevy custom/10 1/2 ton it has a 350 trubo automatic ok heres my question my engine block casting number is 3970010 and i been looking around and some chevrolet sites say that that block casting number was a universal block that by that number it can be a 302, 327 or a 350 how can ytou really tell??? and could a 1972 chevy truck come with a factory 327 ?? but the trans is a 350 or is it a factory 350 with the factory 350 turbo auto trans ?????
