James,
there is a US site with this info - link from Dime Quarterly or:
http://dimequarterly.tierranet.com/articles/tech_weber_tuning.html
I had a very similar problem with my DGAV carb - kept dropping out from idle.
Turned out there's a secondary pump mechanism on the side away from the engine
toward the front of the carb. This is vacuum operated, and the diaphragm had
split allowing fuel to basically gravity feed into the plenum. Blocked it off,
forgot about it, and now I get 6 to 7 litres/100km :)
hope that helps,
DF
>Anybody know of any sites with info on tuning the 32/36 weber?
>(it's a ford cortina weber, bolted straight to a stock L20 with
>extractors and 2" exhaust.)
>
>I am having an Idle problem after the choke goes off on my
>weber. Won't idle steady...goes up and down... all over the place.
>the Idle mixture screw has no affect at all...I can screw it all the way
>
>down or remove it with no affect. When you first start it and the
>choke is on (automatic choke - water controlled) it's fine but as soon
>as it's warmed up and the choke starts to turn off, it starts.
>
>Apart from the Idle problem, it runs fine. Starts first time everytime.
>Anyone got any clues ??
>
>Cya
>JamesF
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