Subject	Less vacuum = lower compression
Posted by	BobbyT on August 17, 2008 at 11:35 PM
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In Reply To	Shaft play in turbo posted by inf on August 16, 2008 at 06:35 PM
Message	That means pistons rings, or valve seals. Vacuum is the pull from the descending piston through the intake valves measured at the plenum (while the exhaust valves are closed)...turbos don't enter the equation.
Follow Ups	Shaft play in turbo - inf 18:35:01 08/16/08 Lower vacuum? - yobobrox 18:43:53 08/16/08 nah, haven't checked the shaft yet. - inf 18:56:49 08/16/08 ..or a vacuum leak (n/m) - Audioquest 11:13:57 08/18/08 Less vacuum = lower compression - BobbyT 23:35:59 08/17/08 Valve seals? NO, that would only make it burn oil - Fast300 10:43:54 08/18/08 Sorry, meant seats, not stem seals. (n/m) - BobbyT 22:52:50 08/18/08 OK, I get it. (n/m) - Fast300 01:41:44 08/19/08
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