Re: Rare 21 stud 59A ?
I think the guy was getting mixed up with the 41A replacement blocks. They were based on the 59A and had all the indications of being a 59A except they were a 221 CID block with 24-studs. They were a wartime replacement for engines used on the home front but Ford kept making them at least well into the later 40s.
His memory played tricks with the 21-stud versus 221 CID.
Kerby
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