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Bob Bidonde · 06-14-2021, 08:31 AM

Not true about Diamond blocks being thicker. I have both and see no difference. The Diamond is an aftermarket casting house's trademark.

06-14-2021, 08:31 AM	#11
Bob Bidonde Senior Member Join Date: May 2010 Location: Long Island, NY Posts: 3,464	Re: model b engine cm gear Not true about Diamond blocks being thicker. I have both and see no difference. The Diamond is an aftermarket casting house's trademark. __________________ Bob Bidonde