[Spridgets] Venting... a 1275 w/ Weber

[Ron Soave]

The "P" in PCV is for "Positive". You want it to suck, the PCV is spring or diaphragm check valve that's also loaded to avoid venting unless the delta pressure is high enough. If you just want to vent it, you don't have to do anything - just leave timing cover open to ambient. 

--- On Wed, 11/11/09, WFO Herb <froggi60 at gmail.com> wrote:

> From: WFO Herb <froggi60 at gmail.com>
> Subject: Re: [Spridgets] Venting... a 1275 w/ Weber
> To: "Ron Soave" <soavero at yahoo.com>
> Cc: "spridgets" <spridgets at autox.team.net>, "Peter Caldwell" <peter at nosimport.com>
> Date: Wednesday, November 11, 2009, 6:26 PM
> Ron,
> Wouldn't that 'suck', rather than
> just 'vent'?
> Herb
> 
> On Wed, Nov 11, 2009 at 3:41 PM,
> Ron Soave <soavero at yahoo.com>
> wrote:
> 
> --- On
> Wed, 11/11/09, Peter Caldwell <peter at nosimport.com>
> wrote:
> 
> > How are y'all accomplishing crankcase
> 
> > venting with a side draught Weber on a 1275?
> 
> 
> 
> For the intake Cannon manifold, I drilled and tapped a pipe
> thread where the flat is (the spot for Mini brake booster, I
> think). I did not run a balance tube and 1&2 were always
> a bit lean. I'd add a balance tube if I were doing it
> again. I used a chrysler K-car PCV valve. For Maniflow
> intake, I'm not using one (successfully) but I'd
> weld in a cross tube with a hose barb to go to a PCV valve.