Very interesting... I can definitely see how the 2-barrel is an advantage
at high altitude. And I don't have to deal with low temps out here. As
they say, YMMV...
H4aardvrk@aol.com had this to say:
>In a message dated 5/1/99 3:41:54 PM Eastern Daylight Time,
>mvheim@studiolimage.com writes:
>
><< he Weber DGV downdraft isn't an improvement over SUs,
> it's usually just used to replace the ZS. Weber sidedrafts are supposedly
> >>
>Listers,
> I own and drive 4 MG-B's. my 1974 gt and roadster are still equipped
>with the SU set up. Both of these cars run well IN THE SUMMER. When the
>temp
>goes down below 0 deg F., they seem to cease their excellent manners.
> My 1976 roadster ran very well with the z-s, but there is that nasty
>choke. I went to a weber dgv on this engine. After spending several hours
>PROPERLY jetting this carb, it has demonstrated its quality fuel mixing, day
>in day out, without any further adjustment or messing with in any way. I
>feel
>that those out there in list-land who have a dgv that they don't like,
>probably do not have it jetted perfectly. My 1976 with dgv and
>allison-crane
>ignition is a strong runner as well as the most economical set up of my
>fleet
>of 4 B's.I live at 5000ft altitude.I run the secondary most everywhere i go.
>I am getting over 24 mpg with good pull from idle to 6ooo rpm any time, any
>day, any season.
> My wifes' 1977 roadster is running a single su off of a morris oxford.
>this carb pulls like a train,passes it's emmision test first go and gets
>about 20 mpg. this car is running a points dizzy.
> I feel that the condition and or jetting of a particular carb setup is
>more important than the brand of carb set up.
>yours, H4(Howard)
>
--
Max Heim
'66 MGB GHN3L76149
Runs great,
looks particularly bad since some SUV clown backed into it.
If you're near Mountain View, CA,
it's the red one with the silver bootlid.
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