454 heads yes engine no,427 GMC Tall deck Yes
454 heads yes engine no,.is,running a 427 GMC Tall deck Yes ,,427 with 454 heads peanut heads that were extremely extensively ported (,opened up ) hooker competition headers absolutely NO STINKY ARSE CAT CONVERTERS with a twin stick gear drive t-case and 3speed auto in a 1982 chevy 2 & 1/2 tondump 3.40 gear diffs with 30.5 inch tires with on-demand electric cutting brakes.on the fronts .13 mpg and 2.3 gallons an hours. Anyways its My Johnny Cash Special..Believe what you want.. and say what a joke, or the SMH, and p.s. and having no metric bolts to deal with is priceless !!