Hollow stem valves - CLASS RACER FORUM

07-17-2017, 09:32 AM

Kevin Panzino

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Join Date: Oct 2002

Location: Pittsburgh

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Re: Hollow stem valves

Quote:

Originally Posted by V M Kauffman

Ed
One thing everyone forgets is the results on exhaust side can be questionable because in the real world the exhaust valve is trying to open against cylinder pressure on the spintron there is no cylinder pressure!

Correct. But that force goes away the moment you lift at the stripe and the engine is still at high rpm for a few seconds....

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