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Cool Kat with Hot Car · 08-10-2019, 09:33 PM

Just a thought

Most of the new early blocks that I have seen are sleaved, both 37 21 stud style and 24 stud style. If you have one of these blocks the sleeves can be pulled to give a larger bore.

08-10-2019, 09:33 PM	#57
Cool Kat with Hot Car Senior Member Join Date: Jul 2010 Location: NorCal Posts: 252	Re: 1CM Merc Crank In A 40? Just a thought Most of the new early blocks that I have seen are sleaved, both 37 21 stud style and 24 stud style. If you have one of these blocks the sleeves can be pulled to give a larger bore.