Thanks all for the input.
The crossover tube interior is pretty oily.
Quote:
Originally Posted by Brian Carlton
The characteristic failure of the turbo is very low oil smoke at idle. The airflow is not sufficient to carry the oil up to the crossover tube..........so, it's pooling in the riser tube. When you mash the pedal, this pooled oil flies into the crossover tube and down to the cylinders resulting in massive smoke upon initial acceleration.........gradually decreasing to a modest amount of smoke after the initial wallop.
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That's almost exactly the smoke scenario we're encountering...modest smoke being a visible trail at any speed. Consuming a lot of oil too...2-3 qts in 90 miles.
Can't run it w/o crossover tube...I pulled the turbo this afternoon.
