View Single Post
Old 08-04-2015, 06:31 PM   #8
vince1
Registered User
 
Join Date: Jan 2013
Location: Calgary Alberta
Posts: 1,170
Re: Chevy 250 - Breather or Cap

I think the breather may have been originally put on to vent excessive blow by out. Probably the cap came in with better emissions standards whereby they wanted all the blow by to go through the combustion process again.
vince1 is offline   Reply With Quote