Quote:
Originally Posted by HOTROD_WILLIE
Got this block the other day. It is sleeve block w/ rised intake. I under some people like these block to hotrod. I would like know the history of these block. Plus the avenge of using these block. Thanks for all the help.
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Willie: Check to see if your 41-42 221 doesn't have a full set of
heavy wall cast iron repair sleeves (FMC remanufactured ?) rather than
Ford's .040" thin wall steel sleeves. Bore size? Rods & mains sizes?
See if there are rebuilder's size stamps on outer edge of 1st crankshaft counterweight.
81 (39-42) cranks had 2" rod journals. Rod cap Cast "s should be 91
or 21.
Hey.. good picture showing concave rather than flat block (41-42)
sidewall; also no casting core hole bumps above pan surface.
My opin--try to clean up bore & use with minimal change; want bigger, start with 239 engine.
Have fun with them!
Gene Tulsa