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Weber 32/36 DGAV idle problem


Guest Anonymous

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Guest Anonymous

I assume it's a water choke, because it has a hose coming from the

manifold and one from the block. Anyway, this is a newly aquired

vehicle, so I though I would set the carb to specs according to the info

from redlineweber.com. I am sort of a carb moron, so I will try and

explain what I did. I turned (what I think) is the idle mixure scew (back

bottom corner of car, fairly large scew with a spring facing up at an

angle) all the way in and then back it out two turns. Then I backed off

the idle screw (moves the cam on linkage?) till it barely touched, then

tightened it a turn or two....this should be 'factory spec'. Car started

up, but didn't' even come close to idling. I have to really give it some

gas. Before I messed with it, the idle mixture scew was turned out 8

turns and the idle linkage scew was much more than a couple turns

past where it touches the cam on the linkage.

I guess my question is, am I doing this right, and if so, any suggestion

of what is wrong. Oh, all adjustments were made when the car was

warmed up.

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Guest Anonymous

John, First off, you are doing it right.

But keep in mind those "factory settings" of 2 turns out on the mixture screw is really more of a *starting point* - if the car wont idle, try backing it out, 1 turn at a time until it does - shouldnt be more than 3 or 4 turns. If it is many as 8 then you probably need to determine what size idle jets you have. Those are screws on the left and right side of the carb toward the top - you unscrew them and the jets come out - tubes with little holes in them - they have a size on them - then you need to confirm they are the right size...which is determined by your altitude, set-up etc but if you do a search on weber jetting I'm sure you can locate some recommendations - basically if the jet is way off you potentially would have to compensate with major adjustments - hope that helps, Aaron

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Guest Anonymous

I may have the exact terminology wrong (I'm a bit of a carb moron as well) but I had a similar problem with my 32/36 (i.e., no idle despite adjustments) until we noticed a small switch near the carb base facing toward the passenger side of engine compartment. We ran power to it and bingo--immediate idle. This may seem obvious but it wasn't to us when we set up the carb. Good luck!

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Guest Anonymous

29-2277455.JPG

you must set the dwell and timing with a light to 1500 rpm , and no vacuum to the distributor if fitted. Reconnect vacuum hose(s) when done.

now go back to the idle speed and idle mixture adjustments.

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Guest Anonymous

It is an emission device that keeps the engine from running on after shutting it down. It only requires a switched source. When key is on, there is voltage. When key is off, there is none.

Hope it helps.

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