Just a heads up to those with the supplemental oil line to the head
installed. My recently rebuilt engine smoked like a chimney and leaked
significant oil out of the pinhole sized vent hole in the filler cap. It
turned out the diameter of the supplemental line was excessive (more
specifically the orifice at the point of entry to the head) permitting
excessive oil to go into the head, leaking and sliding down the less sealed
exhaust valve stems. Reduction of the ID of that line has solved the
problem, FWIW.
Jack
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