ditchdigger
ditchdigger HalfDork
12/5/10 12:12 p.m.

I need to add a two stage pcv system to the turbo 850 motor. Looking for universal or hose barb mount valves that are boost friendly.

I have no existing grommet or other valve. Just a 1/2" vent tube on the rocker cover, so barb mount is easiest..

red5_02
red5_02 New Reader
12/6/10 1:36 p.m.

I'm not sure if I know exactly what you're talking about but I'm gonna take a stab. Looking for a valve from one of the supercharged Mazda Millenias. corksport.com carries them.

Dr. Hess
Dr. Hess SuperDork
12/6/10 1:48 p.m.

You could go down to Autozone, walk to the back and look at all of the available PCV valves hanging on the rack in clear packages until you see one you like. They pretty much all have barb connections, with a big one on one side and a smaller one on the other.

Xceler8x
Xceler8x GRM+ Memberand SuperDork
12/6/10 8:53 p.m.

I use a Mazda 323 GTX valve on my turbo'ed Miata. Works well.

RexSeven
RexSeven Dork
12/6/10 9:11 p.m.

Hmmm... I wonder if the Millenia/323GTX valves work better than the crappy MS3/MS6/CX-7 valves...

I would advise against the AutoZone valves. They can leak boost from time-to-time.

ditchdigger
ditchdigger HalfDork
12/6/10 10:39 p.m.

The 323 turbo unit looks easy to deal with, for a turbo car so it should handle boost, and cheap. Awesome!

For some reason in my mind when I think of PCV valves they all look like ford units from the late 80's.

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