I am trying to identify these different numbers to find out what this aluminum V8 is, it is in a sand rail but I have no idea how to tell what engine it is or what year the engine is, HELP! Passenger head, HT 31813, below that on block HT 317(2)9 , not sure if it’s a 2 or not,drivers head ERR 4328, intake manifold Y 1349520 has an Edlebrock carb1403. are there other #s I need to look for? Thanx for any help!