Dodge Repair Questions? Ask a Mechanic for Answers ASAP
Do you have a dashpot on either of those carbs?
Have you tried non-ported vacuum to the vacuum advance yet?
Distributor Ground Switch
An integral part of all carburetors (AVS Models) used on vehicles with 383 and 440 CID engines. Retards distributor timing when carburetor is at curb idle, for better emission control. Switch contact button is located in tip of idle speed solenoid plunger (see Figure). At closed throttle, when idle speed adjusting screw contacts button, distributor advance solenoid is grounded and vacuum advance is inoperative.