Compression Ignition Addict
Join Date: Nov 2007
Location: Palmer Alaska
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There is a post some place on hear about injector O-rings and/or bad injectors cosing oil disappearing without a sign, it's a good read for you. But Mavrick's post asks about high RPM. It's possible that the crank case vent can allow oil in the intake at the turbo inlet over the left valve cover and burn it as fuel without smoke as well. It's worth checking it out for sure. Pull the inlet off the turbo and look at the crankcase vent, some oil is normal but not much. If your air filter is clogged the motor can pull a good vacuum in the inlet and then if your crankcase vent allows excessive flow past it you could get quite a lot of oil at high RPM.
I will look for that post in the AM and link it hear.
My baby is a one of a kind.
1977 I bought a new 76 F150 club cab.
Sitting on a 84 F350 6.9 4X4 chassis
With all the drive train and goodies from a 95 4X4 4door PSD.
Nothing stock left on her and not a nut, bolt, hose, or wire on there that I didn't put where it is.
The Wifes Ride:
2002 Excursion Limited 7.3 PSD
Themo King/Mikuni coolant heaters on both to keep things toasty without idling.