Hello bought a 1949 ford pick up has camaro front clip and sbc and t350 trans I have searched casting numbers and stamped numbers and even more confused. Vin stamped number 19J298780 engine stamped number next to it is V0707HV casting number 3970010 I got 3 different possibilities 302,327 and 350 it is in truck and runs great any idea how to identify without tearing it down? I am gonna drop a big block in it want to know what I am selling lol thanks.