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Car idles at 1200rpm hot or cold with the idle screw all the way down. Changed the aux air valve, no effect. Adjusted the timing, but had to retard it to get the 800rpm needed, but then the advance at the high end would not exceed 30 degrees BTDC. Changed the distributor but high end advance still the same. Set the timing back to the original setting. Have not wanted to mess with the mixture adjust unless I've run out of options.<p>Air leak? Gremlins?<p>JV
 
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