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Old 07-16-2017, 10:22 AM   #6
V M Kauffman
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Location: Greentown, IN
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Default Re: Hollow stem valves

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!

Quote:
Originally Posted by Ed Wright View Post
Wow! I don't have to lose 150 lbs on the seat for my valves to start hitting the pistons. How much did you originally have on the seat?
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