Normal. The linkage is progressive on the Weber DGV. The primary barrel is
opened first, followed by the secondary barrel when you push further on the
accelerator pedal. The secondary barrel will be cleaner because it is used
less than the primary (well, depending on driving style may be).
MikeC
>
>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!
>
>* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
>
>
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