excessive 340 crankcase pressure

Donnie514 said

Hey Rusty rat rod, I like the diagram you posted.
Don't like that fancy rubber hose going to the air cleaner, well just because I am old.
How bout a diagram with the old down draft tube? The new green people would ****.
The tube that bolted on top of the lifter gallery on the rear of the motor and vented down below the motor cut off at a angle so as it could such air out of the crankcase.
I think Ford was good for that.

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I know, right? My 331 Hemi had a road draft tube on it. Just comes right out of the crankcase and runs straight down into the air stream under the car and dumps right out into the atmosphere. lol I'll defend the PCV system though, as a bit more than emissions. It actually helps the rings seal with the vacuum it puts on the crankcase. Course, in really hot street and race applications where the engine doesn't produce a lot of vacuum it really doesn't do a lot of good. That's where the evacuation system through the header collectors comes in. But the PCV system WORKS for most street cars and should be used, IMO.