The Ford Barn - View Single Post

51 MERC-CT · 03-04-2016, 07:46 PM

The vacuum advance should be adjustable using a 3/32" allen wrench in the vacuum port on the can. Turn the screw clockwise to decrease the vacuum advance and counterclockwise to increase the advance.
Crank the screw in a couple turns, re-attach the vac. hose and drive to check. Re-adjust as necessary to a point where the ping is just gone.

03-04-2016, 07:46 PM	#2
51 MERC-CT Senior Member Join Date: May 2010 Location: East Hartford, Ct Posts: 5,898	Re: ignition ping when vacuum added The vacuum advance should be adjustable using a 3/32" allen wrench in the vacuum port on the can. Turn the screw clockwise to decrease the vacuum advance and counterclockwise to increase the advance. Crank the screw in a couple turns, re-attach the vac. hose and drive to check. Re-adjust as necessary to a point where the ping is just gone. __________________ DON'T RECALL DOING SOMETHING FOR MYSELF BASED ON SOMEONE ELSE'S LIKES OR DISLIKES Last edited by 51 MERC-CT; 03-04-2016 at 08:05 PM.