Pcv mod
If you are keeping the old PCV system (larger hose) run that to a catch can, and from the can to the lower port in the back/bottom of the TB. The smaller hose coming off the front of the pass VC is another system; run that to a can, then the can to the top of the TB.
There are two systems.
There are two systems.
Really dont "need" 2 cans though, just toss a one way check valve in the fresh air hose from the top TB connection to the front pass. valve cover nipple. Then it will only allow air to be sucked into the valve cover but wont allow the blow back into the TB.
Thats what I'm doin anyway.
Thats what I'm doin anyway.
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^ Could prolly almost use another PCV Valve (checck valve) on that one, come to think of it. I'm gonna have to do a can setup soon. My 102 swap wasn't even running 5 minutes and there already a thin film of oil on the intake ports. 
Had to take the intake off to fix a head plug leak.
Had to take the intake off to fix a head plug leak. LS1 Tech Stories
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Verdad Gallardo Yea, I got to thinking about the PCV/can routing & how some set-ups are really involved & some are really simple. I like simple & efficient. So I'm capping the rear pass. valve cover nipple, putting a 1 way valve in the fresh air to the front nipple, running a 3/8" line from the rear driver side to can, then in the line from the can to the intake putting a stock replacement check valve(ball style). I"m putting it after in hopes of the can catching the oil vapors & letting the PCV valve live longer & hopefully not get clogged up like in the stock location.
