Looked thru the casting info and on line,but still can't figure it out. This motor is not an intregal head, so I know its before 1975.The # on the flat pad behind the distributor is F1102TAB. Cast into the side of the block is CON 2 J233 and 328575 with GM under that,and 86 under the GM. 32875 meaans this is a 68-84 block?
Does the J233 mean it is Oct/23/1973??? I was told it is a 250.