john deere 8.1 November 12, 2010 11:12AM
what can we do for power
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Re: john deere 8.1 November 13, 2010 01:25AM
Everything that can be done to any other engine to increase performance.
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Re: john deere 8.1 November 13, 2010 04:53AM
What pump do you have on the 8.1L..

BB.. now long do you think the high ring pistons will last?.. thinking of a more stock application...

Bryan



Edited 1 time(s). Last edit at 11/13/2010 06:57AM by JDGnut.
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Re: john deere 8.1 November 14, 2010 02:58AM
The pistons themselves will last a very long time. The big disadvantage to the high ring piston is the top ring is exposed to more heat. So if you run very high intake and exhaust egt's like with no aftercooler they will lose their tension and cause lots of blowby in short order. Of course if it is a stock type 8.1l application they all have aftercoolers anyways so that helps a lot by dropping the intake temperatures 500deg it gives the piston a lot better chance of not melting nd doesn't overheat the rings as bad.
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