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Breather - Catch Tank

H

Harv

Suzuka
Joined
18 Sep 2014
Messages
1,204
Anyone know if it's possible to run a breather catch tank on the 996 and blank off/remove the recirc connection on the exiting TB plenum?

Aside from having to periodically empty the tank I can't see any drawbacks and the inlet manifold will not be filled with oil should the air oil separator fail.

Thoughts :?:

:thumb:
 
Catch tanks were used on the very early Porsches but on a 996 i think it would be the same as having the oil cap removed :dont know:

It wouldnt run very well if so .

Or i may just be totally confused here :D
 
I'm wondering the same thing, maybe it needs to be a closed system?
 
I suspect it needs to be a closed loop for the emissions systems to work ok.

AOS's last a few years - better to just fit a new one & forget it?
 
I have other mods going on, converting to a 997 GT3 TB so makes sense to loose the breather connection if it's an option...

:?:
 
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