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Flathead · 04-14-2018, 02:06 PM

A three main A block set up to take a B crank with the bigger main bearing diameter would be a winner for me. The ultimate foundation for a rugged touring motor. Pressure to the mains would be nice but original A system would be OK. Just sayin'

04-14-2018, 02:06 PM	#24
Flathead Senior Member Join Date: May 2010 Location: Southern Maine Posts: 1,499	Re: How much better is a B block than an A? A three main A block set up to take a B crank with the bigger main bearing diameter would be a winner for me. The ultimate foundation for a rugged touring motor. Pressure to the mains would be nice but original A system would be OK. Just sayin'