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Mark in MT · 06-01-2016, 11:35 PM

Dean: If I had to bet, I would say that the pistons are swelling up in the cylinders, causing the tightness. Aluminum expands at twice the rate of cast iron, and the pistons gets hotter than the block. I will send you a pm.
Mark Nelson

06-01-2016, 11:35 PM	#9
Mark in MT Senior Member Join Date: May 2010 Location: Western MT Posts: 218	Re: Rebuilder out of business and I know why Dean: If I had to bet, I would say that the pistons are swelling up in the cylinders, causing the tightness. Aluminum expands at twice the rate of cast iron, and the pistons gets hotter than the block. I will send you a pm. Mark Nelson __________________ Mark in MT Always looking for another opportunity to be wrong.