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JFairman JFairman is offline
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Join Date: Jul 2006
Location: S. Florida
Posts: 7,213
There is a 3rd oil pump on the 930, the turbo scavenge pump.
It is mounted on the firewall end of the driver side camshaft and it isn't moving alot of oil, and but it is pumping by far the hottest over cooked oil back to the oil tank unfiltered.
It would be a good idea to install another oil filter in that oil line especially if you use non synthetic oil because no matter what you do the turbo housing and bearing gets way too hot for most dino oils and turns some of that oil into carbon that will clog the cam spray bar holes eventually... just a matter of time.

Use 100% synthetic oil which has a MUCH higher flash point, and idle the motor for a minute or two after hard running, even moderate driving and coking the oil in the turbo bearing and oil cavity may become a thing of the past.

Merry Christmas!
Old 12-25-2007, 10:43 AM
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