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

[Djdawson2 at aol.com]

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