The DGV (and DGAV with automatic choke) is a great
little carb but it is NOT the power solution. It is
the ease and reliability solution. I've used them a
couple of times on MGs and Spritfires where the PO had
done conversions, leaving the SU (or Z-S) solution
economically nonviable. Because of the accelerator
pump, the DGVs are really reliable and quick starters
in cold weather. The DOWN side is that a lot of
'conversion kits' have been sold and moved
indescriminately from car to car. That usually leaves
the carb jetted completely wrong for the application.
They also get rebuilt by ham-fisted pseudo-mechanics
with blunt screwdrivers who clean the jets and tubes
with drill bits and worse! If it appears that your
DGV has been monkeyed with inside, take a good look at
the jets and tubes to see if they have scratches or
deformations. I have tried to replace jets, tubes,
etc. working up from a clean casting and have NEVER
gotten a DGV to perform like a new one. I don't know
why (despite my ham-fists, blunt screwdrivers and
pseudo-skills). :-o The last engine I rebuilt was a
'76 Midget and it ended up with a NEW DGV. It went
from hard-to-start and poor performance to starting
and running fantastic! But remember, a pair of sweet
SUs is still a better setup.
rick
'70 MGB Split-bumper Tourer - with sweet SUs
--- Ed Woods <fogbro1@comcast.net> wrote:
> List,
>
> I ran across a '77 MGB today that has a Weber
> downdraft carb fitted. I am
> totally unfamiliar with this animal. Can someone
> direct me to a site that
> has information on it?
>
> This car has not been run for a number of years and,
> although I got it
> running, it's very rough. The engine will accelerate
> smoothly but not hold
> any steady speed, idle or otherwise, without severe
> missing. Since the Weber
> appears to have an accelerator pump, it would appear
> that the fuel
> "injected" by this pump is the reason it runs better
> when blipping the
> throttle.
>
> Comments on this Weber conversion?
>
> Any help very much appreciated.
>
> TIA,
>
> Ed Woods
> _______________________________________________
> rolindsay@yahoo.com
>
> Edit your replies
>
> Mgs@autox.team.net
> http://autox.team.net/mailman/listinfo/mgs
_______________________________________________
Edit your replies
Mgs@autox.team.net
http://autox.team.net/mailman/listinfo/mgs
|