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Mileage on the engine? Could be a failing regulator.
EDIT: also, just realized this was a 6Port turbo...
The way you've done turbo oiling *seems* alright, shouldn't affect the pressure too much....
Greyish oil is a sign of contamination (obviously) that may have come from bearings.
Last edited by classicauto; 03-07-2008 at 01:00 PM.
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