[s-cars] Crank Case Pressure and Turbo Smoke?

[Mark Strangways]

The only down side to having a filter on the VC is if you ever get inspected 
by DOT (or whatever your local enforcement agency is). They just may 
consider it to be changing the pollution control equipment on the vehicle.

Mark
----- Original Message ----- 
From: <Djdawson2 at aol.com>
To: <cpayne at bconnected.com>; <s-car-list at audifans.com>
Sent: Wednesday, February 23, 2005 12:22 PM
Subject: Re: [s-cars] Crank Case Pressure and Turbo Smoke?


> In a message dated 2/23/2005 9:39:08 AM Mountain Standard Time,
> cpayne at bconnected.com writes:
>
>> What are the disadvantages besides pollution and potential oil in the
>> breather to this set-up compared to a catch-can?
>
> None.... unless oil startsto dribble out of the breather,and all over the
> engine compartment.
>
>>  Does the Positive crankcase pressure/ventilation help anything?  I can 
>> see
>> how the OEM set-up could create a vacuum in the system to pull the gases
>> through the system..until the BPV opens as you stated.
>
> Polution control is its intent.  Oil control may be a little better with 
> some
> positive ventilation as well... but that's me speculating.
>
>  But isn't a catch can a close-ended system?
>
> Not unless it is plumbed back into the intake somewhere.  Hap's type is an
> open setup.
>>
>>
>> Again this really is just a test to see if I am in the market for my 3rd
>> turbo :(
>>
>
> I think that's a premature conclusion.  I'd sure like to see what exactly 
> is
> happening.  Worst case, I'd take it to TEC for a tear down.
> Dave
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