I am working on adjusting and taking some of the extra play out fo the linkage. How big should the hole in the service brake adjusting screw support be. The one on my car is worn to about 11/16 by 3/4, need to know if I should make it smaller by welding in a washer.

Dens Chevys 1927 Speedster 1928 coupe 1941street rod 1947Fleetline 4 door 1949 1/2 ton Pickup (sold) 1954 210 4 door 1972 Monte Carlo 2003 Corvette convt..