Quote:
Originally Posted by JFairman
Valvoline VR-1 20w 50 is so much better than that sludge forming brad pen BS it's ridiculous. ...you couldn't pay me to use that over rated bradd pitt swamp piss again in a turbo motor.
Been there done that and learned.. it can't take the heat of a turbo bearing housing and turns to carbon sludge turning the inside of the motor black with carbon sludge in less than 1000 miles.
Clean out the sludge in the cam towers, valve covers, and chain cases and then use Valvoline VR-1 non synthetic or full synthetic 20w 50 or best of all: Mobil One 15w 50 and everything stays clean..
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FWIW, in my non-turbo car, I have never had a sludge problem with BP.
If it was me, I would be using a 100% group 4 or 5 syn oil for Turbo applications. After all synthetic oils were originally made to address the coking problems in jet turbine engines.