All Things Mk5 > Performance Modifications

Bsh pcv mods?

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Itsagthing:
I have searched a little on this  but haven't  seem to find anything on them although I am a newbie. Does anyone on here not do the bsh pcv mod and catch tank for helping with the conspicuous valve clogging?

bacillus:
I think alot of folk just use the latest oem pcv.
As for myself, I use the bsh catch can setup in an effort to delay intake valve deposition of carbon.

Itsagthing:
Ah ok cool. Think I may do the pcv bsh mod

56OctyVRS:
The catch cans do not work on the TFSi, as when under boost the excess pressure is vented via the rear tube which goes down into the turbo. This then goes back into the air intake and pulls through oil. So unless a catch can is fitted on that port they are pretty useless. The VW race cars don't use catch cans and have the OE PCV fitted. I have tried them all and the car ran far better with the PCV fitted.

GrayMK5GTI:

--- Quote from: 56OctyVRS on February 28, 2013, 10:33:24 am ---The catch cans do not work on the TFSi, as when under boost the excess pressure is vented via the rear tube which goes down into the turbo. This then goes back into the air intake and pulls through oil. So unless a catch can is fitted on that port they are pretty useless. The VW race cars don't use catch cans and have the OE PCV fitted. I have tried them all and the car ran far better with the PCV fitted.

--- End quote ---

Also, you will always get some oil through the tubo seals anyway  :sad1:

VRSAlex mentioned again the other day how a catch can has done nothing to help keep his valves clean  :grin:

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