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Charlie ny · 09-23-2018, 08:36 AM

John,
Be mindful of core shift on these early blocks. Some can go 3 3/16 + .020 like Jack just said but just as many are kaput at 3 1/16 + .060.........been there.
Charlie ny

09-23-2018, 08:36 AM	#7
Charlie ny BANNED Join Date: May 2010 Posts: 3,019	Re: pistons for a 21 stud John, Be mindful of core shift on these early blocks. Some can go 3 3/16 + .020 like Jack just said but just as many are kaput at 3 1/16 + .060.........been there. Charlie ny