Wilko16 Donating Members 1,672 Member For: 16y 5m 3d Gender: Male Location: Melbourne Posted 13/12/15 05:09 AM Share Posted 13/12/15 05:09 AM (edited) I'm sure pcv is mainly an emissions thingBut I always thought it's also to create a vacuum in the crankcase to help the piston rings seal against the bores betterBut im also sure if your forcing a whole heap of boost into the engine the rings are gonna be sealing pretty well Edited 13/12/15 05:13 AM by Wilko16 Link to comment Share on other sites More sharing options...
Rab WOT? Moderating Team 10,980 Member For: 11y 1m 30d Gender: Male Location: Frankston, 3199 Posted 13/12/15 08:00 AM Share Posted 13/12/15 08:00 AM In the old days PCV was just to return unused fuel vapours back the the engine system instead of to the atmosphere wasn't it?Has that changed? (my learning stopped about 1976-7 when the charcoal filters came in) 1 Link to comment Share on other sites More sharing options...
Redlightandy Member 57 Member For: 5y 10m 10d Gender: Male Location: Sunny canberra Posted 20/06/18 11:16 AM Share Posted 20/06/18 11:16 AM I always thought catch cans were good for worn weedy motors that had excessive blow by, in days gone with ford pre x flows if you had a weedy motor you just plumbed the breather into a coke bottle or oil bottle and tipped it out occasionally, otherwise you ended up with a soaked filter, modern motors and there systems are wierd to me as an old schooly. PCV valves serve a purpose Id leave it be While we’re talking catch cans just how necessary are they and are they over kill on non Turbo motors Link to comment Share on other sites More sharing options...
k31th less WHY; more WOT Site Developer 28,303 Member For: 16y 14d Gender: Male Location: Melbourne Posted 20/06/18 11:25 AM Share Posted 20/06/18 11:25 AM absolutely not needed on a non-turbo barra. 1 Link to comment Share on other sites More sharing options...
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now