casting number

[mitchell30]

i have a motor i bought for $40.00.its a ford motor and is complete fron the carb to the oil pan to pulleys.he told me it was a 351c out of a comet.the numbers on the block say D0AE and OL5.from my understanding its saying its a motor from november 5,1970 in a galaxie.i still cant find what CID it is.can someone help me.i have another number that come off the intake,D1AE-9425-DA

[FFR428]

With the DOAE number the engine block is a 351 Cleveland. After the DOAE there is a 6015. What is the letter after that? Example: DOAE-6015-A I need the last letter to tell if it's a 2 or 4 bolt maincap block