I have a 69 number matching 302 corvette. Casting #3956618 and actually has a clock nxt to Cast #, was the last one to roll off assembly line in Dec. of 68 and the first one of Jan. to go out. On the block next to vin# in front of motor reads VO113DZ. From what I have found out team Camaro raced from 67-69 with this motor and dominated. I would love to here feed back from anyone who might have information. Thanks!