I was over at my boss's house the other day, checking out his '70 corvette he's restoring from the ground up. It's got a built small block Chevy V8, I can't remember the displacement, but it made almost 600HP on an engine dyno. I noticed he ran hoses from each PCV valve to a one way check valve, wich threaded into a venturi in his exhaust header collectors. This little setup puts a slight vacuum on the crank case, and according to the guy that built the engine it's good for a few HP.
After reading this thread I got to thinkin, About doing this same mod on my truck. no more oily mess under my truck, and maybe a few extra ponies to boot.
As soon as I get some time, I think I'll try it, in the meantime any one have any thoughts on this?

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