<VV> Rochester Idle Circuit Inconsistencies

[Frank DuVal]

So you are saying the metal is distorting in the carb? I have seen white 
deposits form in seldom used carbs. If it isn't debris or fuel 
contaminaltion, then what is left? Especially if carb cleaner down the 
idle mixture screw hole fixes it....

Possibly the tank coating is redepositing itself in the idle circuit?

Most of the cases I have had of idle problems that have been cured with 
the hand over the carb have also affected the power circuit. Debris has 
plugged some passage.

Some carbs develop air leaks around the throttle shafts. This can throw 
off idle performance without affecting power and cruse. And depending on 
how the shaft centers or sticks can fix itself temporarily.

Frank DuVal

> There is absolutely NO debris, 
>water, or other foreign material  showing in the bottom of the carb bowls. 
>The problem is absolutely NOT a  fuel contaminant issue; the cars run great in 
>cruse and power... even when  not idling well. It an idle circuit issue.
> 
>Thanks,
>Mike   
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