Quote:
Originally Posted by Spartarus
Tha Crawford AOS will not work on a boosted application without a check valve. And even then, it's dicey. That whole can is a terribly bad effing design.
If you join the 2 crankcase lines into the same cavity and apply boost...
Either way, you are correct about transferring oil back thru the PCV, it will not work. If you want to keep your PCV system intact and have a working catch can, you need 2, or if you want a "maintenance-free" option, the AVO can drains to a modified oil cap, and back to the engine that way. I did not opt for that and have no idea if it works as advertised.
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Thanks for reply! I'm more than happy to do maintenance! I'd also love to get a good easy-to-install vent-to-atmosphere option and the only car-specific that I found is AVO dual tank system. However, from 1 or 2 pics that I found, it looks like those 2 cans are still interconnected by a hose and only one of them is venting to the atmosphere which contradicts to what you are saying (and I tend to agree with) - better to have the 2 lines and 2 cavities separately.
What setup are you running/can recommend as a replacement for me?