[Ostornadoe]

Does anyone have or ever had an oil catch can? I was reading about them, and I don't know if they're worth any money, or if they even do anything. Here's an example of one....
http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&rd=1&item=7918823220&category=46098

Any info you guys know about them would be helpful. Thanks.

 

[Flashmn]

Not really worth it, unless you have a turbocharger, where you can get positive pressure in the crankcase, so that it wont blow out the oils.

Otherwise keep the system closed, or you can run into some problems.

 

[2wickedtoyz]

if you want put a clear fuel filter in line of the pvc valve that way it will act like one but wont cost as much that's what i did for my wagon and inside my intake manifold is still spotless

 

[bgrieger]

Catch cans are supposed to get the oil vapour to come out of suspension as they cool off in the can. Most cans have no baffles or capability to really cool based on where they are located, so they continue to pass most to the intake anyhow.

All cars have positive crankcase pressure, that's why we try to vent it via a PCV type arrangement, and why race cars use vacuum scavenging to help eliminate it.

The fuel filter is a pretty good plan, but would quickly clog with carbon and oil. Perhaps a polyester or steel wool media would do as well and not restrict the pressure.

Bob