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Old 04-21-2011, 02:21 PM   #11
JFP in PA
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Join Date: Feb 2005
Location: It's a kind of magic.....
Posts: 6,277
Quote:
Originally Posted by insite
i have a similar issue on my 3.4L, and had the same thing on my 2.5L. i have developed a theory.........

the boxster actually has an oil pressure regulator that is dependent upon temperature, of all things. it consits of a spring and piston that install into the oil pump under the car. the design is supposed to DRAMATICALLY increase oil pressure on cold start.
How does the current design or the pump’s pressure regulator supposedly respond to changes in temperature? Just wondering……………..
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Last edited by JFP in PA; 04-21-2011 at 02:24 PM.
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