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fredmeister fredmeister is offline
Smart quod bastardus
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Join Date: Oct 2002
Location: Baltimore, MD, USA
Posts: 2,235
Now that it is confirmed that turbo oil is unfiltered in the tank 2 things really concern me:
1) The fact that Porsche designed the system knowing this from the beginning and did nothing over all these years to address this issue with coking
2) The pressure from the cam driven turbo sump pump is very low in my opinion at 1-1.5psi, makes me wonder if that is normal even though the flow rate seems adequate to pump out the turbo drain that enuff pressure to handle any restriction as the inline filter clogs with oil dinkleberries...seems barely enuff pressure to pump the oil up to the top of the engine oil tank.
So far this is an impressive fix making me wonder when to start doing it to my car.
1979 930 Turbo....3.4L, 7.5to1 comp, SC cams, B&B intercooler, Snow Perf water/meth injection, Rarlyl8 headers, Garret GTX turbo, 36mm ported intakes, Innovate Auxbox/LM-1, custom Manually Adjustable wastegate housing (0.8-1.1bar),--running 0.7bar max
---"When you're racing it's life! Anything else either before or after, is just waiting"
Old 02-25-2009, 08:55 AM
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