19-07-2017, 10:12 AM
(19-07-2017, 10:08 AM)bashbarnard Wrote: Ive had it before on a couple of builds where the back pressure in the exhaust causes a rise in crank case pressures and then in turn it to piss oil out the breather. It seems odd that you havnt been ab;e to replicate it since though. Did you have high emps with the other setting of boost you were running on the day?? vanes not opening enough??
didn't change it for the drive home and gave it absolute death to redline
exhaust backpressure isn't insane on this vnt, peaks about 1.5x inlet - and in most cases it is equal to or under.