I am getting ready to fire up my newly rebuilt engine in my TR3A. After
the engine is run in, I plan to go to synthetic oil. I am looking at the
crankcase breather pipe and it looks like a place that would let
contaminants into the system. The TR4 had positive crankcase ventilation
(might have been a TR4A). Is there any reason why you wouldn't want to put a
plug in the TR3 crankcase breather pipe and put on a later valve cover with
a tube connecting the valve cover to the air cleaner to keep positive
ventilation on the crankcase? It seems like it would possibly help prevent
oil leaks as well. What could go wrong? The factory did it eventually on
other Triumphs. Has anyone else done this?
Bill Brewer
Tehachapi, CA
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