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Old 02-03-2009, 06:37 PM
Dionysius Dionysius is offline
Dionysius
 
Join Date: Jan 2006
Location: Seattle WA
Posts: 261
Quote:
Originally Posted by Diesel911 View Post
Has anyone seen a reduction in Blow-by after replacing the Valve Stem Seals?
A great question. I would be highly surprised to see an observable reduction but I will always defer to actual results. The seal would yield to any appreciable up pressure IMHO.
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