[Rhodes22-list] Auto Gas Tank Vents

[Hank]

No Idea

On 6/28/06, Bill Effros <bill at effros.com> wrote:
>
> Thanks Hank and Rik,
>
> Do you know where the valve is?  I don't think it's in the gas cap,
> doesn't that just let excess pressure out?
>
> Bill Effros
>
> Rik Sandberg wrote:
> > Bill,
> >
> > There is a one way valve in the vent system. Let's air in but not out.
> This is why, many times there is pressure in the tank when you open the cap.
> Having a little pressure in the tank keeps the evaporation to a minimum.
> Many carrs used to have a filter on the vent line that somehow trapped the
> gas vapor and supposedly put it back into the fuel system. I don't really
> know how this worked or if they still do it that way.
> >
> > Rik
> >
> > -----Original Message-----
> >
> >> From: Bill Effros <bill at effros.com>
> >> Sent: Jun 28, 2006 9:32 AM
> >> To: R22 List <rhodes22-list at rhodes22.org>
> >> Subject: [Rhodes22-list] Auto Gas Tank Vents
> >>
> >> How does air get into automobile gas tanks to allow the fuel to exit?
> >>
> >> Bill Effros
> >>
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> >>
> >
> >
> >
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