Quote:
Originally Posted by Tinker
Guess best I can say... from the words of Bruce Lancaster " fords leak oil to protect the underside of the car". Not verbatim.
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Respectfully sir, without PCV our cities would be uninhabitable. The early day fotos of city blocks show an air quality that prevents seeing much further than a block. I was on the streets in the fifties, slippery when wet was the order of the day. In the late sixties, during rush hour, eyes would burn, the haze was that toxic.
At one time I lived on a busy street. I found black silt on window mouldings and sills, that required attention every few days.
Positive crankcase ventilation saved the day. It made the growth in travel possible. Not to discount paper filters, and electronic fuel injection.