Are the tires on your truck radials or bias ply?

If they're radials, don't worry about the skinniness and handling. I don't put modern fat tires on anything and the skinny radials on my cars handle perfectly fine - much better than skinny bias ply tires.

1950 Chevrolet 3100 (Ol' Roy)

1939 Packard Standard Eight Coupe (The Phantom) | 1956 Cadillac Coupe de Ville (The Bismarck) | 1964 Ford Galaxie 500 coupe |1966 Ford Mustang (Little Red) | 1969 Pontiac GTO (The Dishpit) I 1979 Ford F-100 | 1976 Ford F-150 (Big Red) | 1995 Ford F-150 (Newt)