pcv from valve cover to intake

[Sleepin6]

Originally Posted by rodrigo As I get closer to swapping turbos I am reminding myself how the 1st ko4 we pulled out was covered in oil moisture on the compressor, also the 90 degree outlet from the compressor , intake... and different spots.... never been a fan of pcv recirculating back into the intake , I have always either stuck a breather or a fucken evac system connected to the headers (exiting gas create a vacuum off a bung welded to the collector that is then connected via tubing to the valve cover(s) and all crankcase pressure go out the tailpipes).... so for now I am going the breather route and capping off the sri vacuum inlet that connects to the valve cover. so i might end up asking a muffler shop to weld me up another bung at the end of the downpipe (gotta check if cpe comes with an extra one down there) and I might try out the evac system which would basically be.... breather with an outlet at the valve cover, tubing, one way check valve (to NOT allow exhaust gases back into the crankcase) , the slashed tip that goes into the exhaust at an angle to create a vaccum as exhaust gases go by it, and of course the bung to be able to secure the insert. heres a Moroso kit that includes 2x that (for v8s lol) and here is what I tried out tonight to get the ball rolling... engine shot breather shot sri vacuum inlet capped off I dont imagine anyone has tried anything beyond a breather and catch cans????

What size is the filter for the valve cover?

[aaronc7]

that hose is 5/8" IIRC