A PCV valve should be easy. But I dont think I've ever seen one on a flat six. Anyone have this set up?
Just to add a bit more info: Unburned gas is "the pollution". The Volumetric Efficiency of most engine cylinders are 80 percent. The trade off, to oil the piston in the hole, is "blow by". The "blow by" eventually makes oil acidic, keeping the oil from doing its job. A PCV valve using the vacum from the Carb or Intake manifold will suck the unburned gases out of the crankcase, keep the oil cleaner, and have a chance at burning up the unburned gas in the "blow by". EGR's allow unburned gas in the exhaust, back into the intake manifold. A.I.R. (air injector reactor) units force air into the exhaust so unburned gas will burn in the exhaust pipe. Catalytic Converters gets things hot, to burn up the last bit of gas in the exhaust. The Japanese Auto makers put spark plugs in the exhaust pipe or exhaust manifold to attack the unburned gas. Dodge went a big ol step further, putting 2 spark plugs per clyinder in its Hemi's. 1 for power, 1 for clean up. So again, I say, a well buildt, well tuned engine, along with well maintained running gear, is a fair offering to the enviroment.
48D