Front Brake Shoe Width on a 65 Dodge Dart 10 inch drum brakes

Groove in lining, discussed here:
Drum Brake Service Highlights (Session 260) from the Master Technician's Service Conference

(That's a '69 pamphlet, so the self-adjuster information doesn't apply to '68 and earlier systems. Different mechanicals and the adjusters work in the opposite direction from the system. The rest of the tips are good.)