Quote:
Originally Posted by jdean
... then manually popped the gas a few times and saw a LOT of light colored blow by come out the valve cover vent with a bit of a pulsation to the flow.
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John, you must have cylinder gases going into the crankcase (and thus up the
oil returns to the valve covers and out the breather).
Suspect rings or holed piston ...
Do a compression check asap before unscrewing anything!
Sam