Quote:
Originally Posted by Ram Jet
Vented but not DRAWN/EVACUATED out of the crankcase.
Bill
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There's an additional benefit of connecting crankcase to airbox, more POWAH!!! Yes, been documented and dyno-tested ad-nauseum that having some vacuum in the crankcase creates less drag for the crank and pistons to move around. Up to +10% more power in some tests.
So how do you create this vacuum in crankcase? Attach hose from crankcase to intake! Of course you'd need some kind of sealed container to generate the vacuum... a box perhaps?
