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911TT33 911TT33 is offline
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Join Date: Mar 2011
Posts: 471
Hang on, are you talking about the oil catch can that connects to the oil breather tube on the oil tank, or the OIL DRIP TANK under the turbo?

If the latter, the drip tank is there as a reservoir to give it a "chance" for the oil to be sucked up by the turbo scavenge pump, since the turbo pump lags a little against the oil press build up the the oil inlet of the turbo, if you are using a "gravity feed", you should place the turbos high enough for the oil to scavenge properly out of the turbos.

Gravity drain works fine on the 930's. Lots of guys doing it here. Just make sure you are draining to a point lower than the turbo's oil outlet.
Old 09-01-2011, 02:16 PM
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