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Old 12-06-2012, 01:01 AM   #23
Uncle Scotty
Scooby Guru
 
Member#: 16200
Join Date: Mar 2002
Vehicle:
OK Houston
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the turbo MAY be going bad and you got ONLY 23psi when it was unrestricted.....it may have wanted to go higher but didnt because it may be starting to go

and it is possible that one of the breather lines is kinked/clogged/disconnected and is causing this oil issue if the compression is still good

oil in the amounts and areas where you have it is almost always a broken ringland on a piston
SOMETIMES....they can be bad and cause oil issues like yours and still give good compression numbers....until they GO...a friend had this issue....'good' compression numbers....BAD oil consumption/oil in the intake system....for 1500 miles...then 70psi compression in #4 and done

id be preparing for a new shortblock/rebuild in any event
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