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Newc · 12-02-2020, 08:09 PM

The heavy duty 262, had a heavy crank shaft. Cause the M series flathead 6 [254] used the 223 crankshaft and had problems. California Bill's book had a description of an M engine taken to 304" ! Inliner also. Newc

12-02-2020, 08:09 PM	#18
Newc Senior Member Join Date: May 2010 Posts: 2,909	Re: In defense of 6 cylinders The heavy duty 262, had a heavy crank shaft. Cause the M series flathead 6 [254] used the 223 crankshaft and had problems. California Bill's book had a description of an M engine taken to 304" ! Inliner also. Newc