Chilton's Auto Repair Manual 1964-1971 page 182, 1965-1966 wheel alignment Caster: 1/4 deg neg-3/4 deg pos. preferable setting 1/4 deg pos. Camber: 1/4 deg neg-3/4 deg pos. preferable setting 1/4 deg pos. Toe-in: 1/8-1/4 in. King pin inclination: 7-8 deg Wheel pivot ratio: inner wheel 20, outer wheel 20 1/4.

Sources: Chilton's Auto Repair Manual 1964-1971 page 182

Same general specs for most old cars a few degrees 2 to 3 caster. half degree postive camber and 1/4 to 18 of postive toe