Probably some blowby giving the fuel smell.
I run a hose off the breather box into a catch can. Can is vented to atmosphere, no hose to the pre-turbo hose. I get plenty of oil in the can because of blowby. If I pulled vacuum on the can, I'd have even more oil in there.
I run a hose off the breather box into a catch can. Can is vented to atmosphere, no hose to the pre-turbo hose. I get plenty of oil in the can because of blowby. If I pulled vacuum on the can, I'd have even more oil in there.