The biggest improvement I made to drive-ability was to switch to radial tires. Before radials, I couldn't bring a cup of coffee to work with me. Splish splash. After radials, I could.

1948 3/4-Ton 5-Window Flatbed Chevrolet

34 Years. Now with a '61 261, 848 head, Rochester Monojet carb, SM420 4-speed, 4.10 rear, dual reservoir MC, Bendix up front, 235/85R16 tires, 12-volt w/alternator, electric wipers and a modern radio in the glove box.