On Thu, 1 Apr 2010 06:09:12 -0700 (PDT), Tim
wrote:

What's the amtter with using car tires any how? I had a '74 Caddy
Sedan DeVille Brogham which weighed about 5800lb, and it had car
tires.

What's so magic about trailer tires anyhow?

Trailer tires are usually designed for higher inflation pressure which
helps them run cooler and stiffens up the sidewalls, all of which
improves longevity and reduces trailer sway.