Yup. I connect the hose from the valve cover to the plastic angle connector on
the under side of the air filter. I used the same hose as the ZS and it has no
blockage. Not much oil appears in the carb but it sure makes a mess around the
dip stick. This is just sitting in the garage, revving the engine to road RPMs.
Vic W.
Jeff McNeal wrote:
>
> Just so I understand what's happening here... You say that when you
> connected the venting hose to the plastic angle connector that snaps to the
> underside of the air cleaner plate on the DGV, you get oil all over the
> place at the carb AND the dipstick blows out as well? Are you sure you
> don't have a blockage of some sort in the vent hose? By the way, you're
> going to love the Pierce manifold. Works great.
>
> Best wishes,
>
> Jeff in San Diego
>
> '67 RHD Spitfire Mk3 aka "Mrs. Jones"
> '68 LHD Spitfire Mk3 frame-off resto project
> Jeff's Classic '67 Spitfire Mk3 site & Vintage Spitfire Webring
> http://www.ohms.com/spitfire/spitfire.shtml
> home of the NEW Totally Triumph Auction
> "By Triumph enthusiasts, for Triumph enthusiasts"
> http://www.ohms.com/cgi-bin/TRauction.cgi
> and..The Totally Triumph Garage forums -- moderated, focused, friendly!
> http://www.ohms.com/cgi-bin/dcforum/dcboard.cgi
> ...plus a few other surprises!
>
> * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
>
> ----- Original Message -----
> From: "Vic Whitmore" <vicwhit@home.com>
> To: "Sizemore, Shane" <Shane.Sizemore@per-se.com>
> Cc: "Spitfires Maillist" <spitfires@autox.team.net>
> Sent: Friday, March 30, 2001 9:05 AM
> Subject: Re: Weber DGV vacuum
>
> >
> > The aluminum valve cover has a similar outlet to the standard cover so I
> don't
> > see how it would change things. In fact it may be worse. The aluminum
> cover does
> > not have any baffle on the inside like the standard one.
> >
> > Vic W.
> >
> > "Sizemore, Shane" wrote:
> > >
> > > I thought the aftermarket aluminum style valve covers with breathers
> took
> > > care of this issue?
> > >
> > > Anyone using them?
> > >
> > > -----Original Message-----
> > > From: Jeff McNeal [mailto:jmcneal@ohms.com]
> > > Sent: Friday, March 30, 2001 11:35 AM
> > > To: Vic Whitmore; Spitfires Maillist
> > > Subject: Re: Weber DGV vacuum
> > >
> > > I'm not sure why my high compression 1296 engine (9.0:1) doesn't have a
> > > problem, but I have the crankcase ventilation connecting to the top
> plate of
> > > my Weber DGV as designed and have no problems with excessive oil blowby
> > > whatsoever...
> > >
> > > Best wishes,
> > >
> > > Jeff in San Diego
> > >
> > > '67 RHD Spitfire Mk3 aka "Mrs. Jones"
> > > '68 LHD Spitfire Mk3 frame-off resto project
> > > Jeff's Classic '67 Spitfire Mk3 site & Vintage Spitfire Webring
> > > http://www.ohms.com/spitfire/spitfire.shtml
> > > home of the NEW Totally Triumph Auction
> > > "By Triumph enthusiasts, for Triumph enthusiasts"
> > > http://www.ohms.com/cgi-bin/TRauction.cgi
> > > and..The Totally Triumph Garage forums -- moderated, focused, friendly!
> > > http://www.ohms.com/cgi-bin/dcforum/dcboard.cgi
> > > ...plus a few other surprises!
> > >
> > > * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
> > >
> > > ----- Original Message -----
> > > From: "Vic Whitmore" <vicwhit@home.com>
> > > To: "Spitfires Maillist" <spitfires@autox.team.net>
> > > Sent: Friday, March 30, 2001 6:29 AM
> > > Subject: Weber DGV vacuum
> > >
> > > >
> > > > I'll be installing a Weber DGV onto my 76 Spitfire in the next few
> weeks
> > > and I
> > > > need some insight from those that have "ben there, dun that". I am
> aware
> > > that
> > > > the positive crankcase pressure is not relieved by connecting the hose
> > > from the
> > > > valve cover to the air filter connection. The result is oil pushing
> out
> > > through
> > > > the dip stick.
> > > >
> > > > On the ZS, this isn't a problem because the hose from the valve cover
> is
> > > > connected to a high vacuum port on the carb which relieves the excess
> > > pressure.
> > > >
> > > > It would be nice if the DGV had a similar port but that doesn't appear
> to
> > > be the
> > > > case. Is it possible to add a port by opening up an existing but
> blanked
> > > out
> > > > port, or adding a completely new one? I would suspect that if this
> were
> > > possible
> > > > the jets/needles would have to be changed and I am prepared for that
> > > > eventuality.
> > > >
> > > > Failing the vacuum port, my last resort is to use a catch can (way
> down at
> > > the
> > > > bottom of the list) which is vented to the air filter. Some people
> have
> > > > fashioned a connection to a blanked off plate where the fuel pump goes
> and
> > > they
> > > > use an electric fuel pump. Since I use a mechanical pump, where is the
> > > best
> > > > place to vent the crankcase?
> > > >
> > > > Vic Whitmore
> > > > 76 Spitfire
> > > > Thornhill, Ontario
> > > >
> > > > http://www.vicwhit.com
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