Got a favorite PCV For Dummies source? Maybe I could have tried harder...
-- Chuck
Having a PCV system is a good thing for performance as well as for the environmental folks. In performance applications the catch can is also a great thing. Real performance cars take it further and install a vacuum pump to evacuate crankcase. The reason it's on one side versus another has to do with the rotation of the crank.You know what amazes me is all the years I rode motorcycles back in the late 60's early 70's, when cars/trucks used draft tubes before pcv valves, that I never slipped and fell. Back then the majority of cars running around were from the 50's, and 60,s. Pcv valves didn't start till around 1961, later for a lot of manufacturers. The draft tubes released a bit of oil straight down on the roadway. Even staying out of the middle of the road through a turn, basically cars, and trucks were literally painting the roadways with oil.
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Unfortunately Flickr has dropped the hammer and all 17,000 of my pictures are now inaccessible. That's where I had a lot of good reference material. I have back-ups, just not handy. I'll take a look when I'm home and see if I can post something.