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Road Tube... 120-130

Yes.

Bad for environment and driveway, otherwise no problem. Tube is long enough that dirty air is not generally drawn all the way into the crankcase through it (and indeed usually blow-by has a positive pressure in there).

Drag racers have found that inducing a vaccum in the crankcase helps with power... And that is what the PCV system does (beyond being nice to driveway and environment).

--
Mike!






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