it is in fact a progressive carb. You run on the first barrel and when the
accelerator is moved 2/3ds the way down the second barrel is open (and boy
can you tell the difference).
Patrick Bowen
-----Original Message-----
From: mark holbrook [mailto:rolling_rock_12@yahoo.com]
Sent: Thursday, June 15, 2000 10:08 AM
To: DT Gebhard
Cc: spitfires@autox.team.net
Subject: Re: Question about Weber DGV
Well it may just work that way. I know that on 4
barrels(my Dad has one on his Stag), that the 2
primary barrels run the car and then when you floor
it, the secondary 2 barrels open up and now all 4
barrels are pumping gas into the engine. On 2 barrles
the car may run on one barrel and then when you floor
it the other barrel open. I'm not sure, but it
wouldn't surprise me.
Mark Holbrook
--- DT Gebhard <kimkell@decaturnet.com> wrote:
>
> Where can we get more info about the DGV . Things
> such as different jets,
> adjustment info. maintenance issues??
> Dave Gebhard
> 1977 1500 with freshly installed DGV
> ----- Original Message -----
> From: Jeff McNeal <jmcneal@ohms.com>
> To: <spitfires@autox.team.net>
> Sent: Wednesday, June 14, 2000 6:37 PM
> Subject: Question about Weber DGV
>
>
> >
> > Hi everyone. I was out in the garage readusting
> my valves (thanks Graham
> S.
> > for the off-list "rule of 9" tutorial!) and
> fooling around with the
> > adjustments on my Weber downdraft and I noticed
> something that seemed odd
> to
> > me. The carb (installed by the PO) has two
> barrels right? I noticed that
> > only the outside barrel seems to function, unless
> I open up the throttle
> all
> > the way, at which point the second barrel, closer
> in to the middle of the
> > engine compartment, opens up and delivers more
> power.
> >
> > Is this how the carb is supposed to behave? This
> is sure an interesting
> > learning process! I should note that the inner
> throat is cleaner and
> looks
> > practically brand new in comparison to the outer
> throat -- probably
> because
> > the PO never adjusted the linkage properly and he
> was never able to get
> the
> > throttle open fully like I can now.
> >
> > Best wishes,
> >
> > Jeff in San Diego
> >
> > '67 RHD Spitfire Mk3 aka "Mrs. Jones"
> > 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 Triumph Autos/Parts Wanted Listings
> > http://www.ohms.com/cgi-bin/TRwanted.cgi
> > ...plus a few other surprises!
> >
> > * * * * * * * * * * * * * * * * * * * * * * * * *
> * * * * * * * *
> >
> >
> >
>
=====
-Mark Holbrook-
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