1963 valiant front runner sizing suggestions needed

I run 155/80 x15 TA radials on 4-1/2" torque thrust Ds. 245 /60 15s on black steel wheels on a 64 valiant. The car is driven daily has 323s and a sure grippView attachment 1715144898

Any suspension mods? It seems to sit pretty low. Awsome stance. Any other pictures? Side shot maybe?