Engine Block Codes??
#1
02-19-2007, 07:35 PM
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02-19-2007, 09:28 PM
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#4
02-19-2007, 11:03 PM
The casting number only tells you so much. Yours is a '78 casting made for full size Fords.. that's the first 4 characters. The second set of 4 tells you it's an engine block. All the rest of the numbers are rev changes, but I have never seen anythnig that specifies what those were. To figure out if this is a smaller 221-302 block or a 351 block, measure the deck height, 8.2" is a 221-302, 9.48" is a 351. Casting numbers on the crank will also tell you the displacement.
Last edited by Conanski; 02-19-2007 at 11:06 PM.
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