how can i tell sbc indentification?

hey guys i have a sbc engine identitification problem. the block number says it can be 3 different engines from 1967...a 302, 327, or 350. the number on the back of the block on the pass. side is 3892657. it has camel hump heads number 3890462. the number on front pass. side of the block is v0728ha which i found means it was built in flint michigan july 28th...don't know what HA stands for. it is a factory 4 barrel. i would like to konw which engine this is. any help would be much appreciated.

thanks,
Jeremy

http://www.mortec.com/castnum.htm
http://www.nastyz28.com/gm-chevy-cod...s-suffix-5.php

thanks chevy i tried mortec before i posted plus a couple more lol but i'm gonna try that other one you gave me. i did find that all 302's had an aluminum high rise and holley carb so i think the 302 is out because it has a cast iron intake and it doesn't have a holley carb

thanks,
Jeremy