Correct me if I'm wrong, but the way I understand it, the PCV system basically "sucks" in the venting gases from the crank into the intake manifold to keep pressures down, correct?

Now when looking inside the intake, is most/alot of the oil/grime in the intake in there due to the PCV system through blowby? If so, would removing the system, in fact, keep the intake manifold a little cleaner inside? If this is true, then what can be done to bypass the PCV system to allow the crankcase to vent well, yet keep the oil out of the manifold?

 

a crankcase evacuation system. sends air to the outside insted of the manifold. you can use an air pump (the LT-1 AIR pump is kind of weak but will evacuate pressure) or you can use diverter valves and route it to the exhaust if its a strip only car. Im told... If you do this on a street car and you let it sit and idle you may build up pressure and blow your dipstick out. or your seals....Anyone ever try using the AIR metal fittings and diverter valves and a Vacuum T and plugging it into the valvecover? or making it cleaner by gettin a second valve cover with a hole and just routing it there? It was a theory of mine that i never tested...

 

yes removing the PCV will keep the manifold cleaner..people have done this before...buy a valve cover breather

 

That's it, just a valve cover breather will do it?

 

old school style