I'm running big stroke - small case - with NO vacuum - engine.... so have breathers in both valve covers with K&N filters... and a plumbed hose to a baffled tank and breather - from the FUEL PUMP BLOCK OFF PLATE. Since I'm running electric fuel pump -- and the push rod hole is in the bottom of the block ( side actually - and runs UP at an angle to the cam). This takes the "pulses" from the bottom side of the engine - and puts them into the catchcan. I have A LOT less fumes now from the top end breathers. A LOT less!
I've yet to have any oil "accumulate" in the catch can. It's only "vapor" traces that have collected so far... and I run it A LOT and HARD.
EEEEEEEEEEHHHHHHHHHHAAAAAAAAAAAAAA!!
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