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Old 06-19-2013, 02:37 PM   #54 (permalink)
Sh0velMan
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Originally Posted by synolimit View Post
You mean this? I just find it weird that the crank vents are so close to the valve vents and they're both on the valve cover. If the hoses on the inlet tube are in fact the crank vents then they must just run through the valve train down into the block some how.

Although now that I think about that, that's impossible. The crank vents always get the PCV, not the valve cover. So the inlet tube hoses are the valve vents and the PCV vented hoses are the crank vents.

I don't think I'd run it like this though. I'd want the cranks by themselves and the valves by themselves.
Covered this in a different thread, but the fat connection (rear most) on the valve (cam) cover that connects to the intake pipes is an inlet, the skinny (forward) is the outlet, the system depends on manifold vacuum to evacuate the crankcase and heads.

Confirmed this via vacuum testing the engine while running and monitoring the MAF voltages... The manifold vacuum draws air from the intake pipes, through the heads and crankcase and out the forward nipples.

Cans are only needed after the air exits the forward nipples.
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