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Old Henry · 10-18-2014, 05:38 PM

Here's a question that has been raised by the mechanic. Does any change need to be made to the crank when replacing the original cast iron pistons with newer aluminum ones? The original crank that has just gone back into the engine only ever had the original cast iron pistons used with it. When it was replaced with the other crank, the pistons were also replace with newer aluminum ones. Does that require any change to the crank?

10-18-2014, 05:38 PM	#60
Old Henry Senior Member Join Date: Oct 2010 Location: Orem, Utah Posts: 5,762	Re: Ideas for vibration problem in 59A Here's a question that has been raised by the mechanic. Does any change need to be made to the crank when replacing the original cast iron pistons with newer aluminum ones? The original crank that has just gone back into the engine only ever had the original cast iron pistons used with it. When it was replaced with the other crank, the pistons were also replace with newer aluminum ones. Does that require any change to the crank? __________________ Prof. Henry (The Roaming Gnome) "It is good to have an end to journey toward; but it is the journey that matters, in the end.” Ursula K. Le Guin in The Left Hand of Darkness Last edited by Old Henry; 10-18-2014 at 05:49 PM.*