Condition: Remanufactured up for sale is a 283 dated march 24 1964. the motor before tear down has NEVER been rebuilt.. this was being built for a vintage hot rod here at my shop. the customer changed his mind during mid-build.. so we finished it up and now its for sale.. so.. block has been tanked,bored .040 and cleaned new silvolite flat top 9:1 pistons and speed pro rings crank polished and ...