Vintage Mustang Forums - View Single Post - valve cover /pcv question
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post #3 of (permalink) Old 03-10-2012, 09:56 AM
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Join Date: Jun 2011
Posts: 1,346

pcv is def better for the environment, and in some cases better for your engine's seals...

that said, i prefer venting to atmosphere in a performance vehicle. I've seen how much can be accumulated in a catch can in a short amount of time when pushing a car hard, and I don't like the idea of it both coating the inside of the intake and also mixing with the air/fuel charge potentially changing the way it burns. could be no merit to my concerns, but that's my take on it.
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