Originally Posted by
rstdave
Was on an old tired engine when i first got the car 4 years ago....had a standard breather on and use to blow the dipstick out...put a breather on it and it stopped doin it lol. God knows why but it smoked like hell on overrun when i vented to atmosphere....put it back into the metering unit and it didn't??!! Didn't bother to find out why as i didn't really see any massive advantage in venting to atmosphere.....the engine and turbo was tired tbh...that was 2 engines ago mind lol.
and that smoke would have been blowing back into your metering head entering boost hoses into engine and doing no good,prob leading to the tired old engine it was