A few visual aides...
![](http://img.photobucket.com/albums/v485/conwi1wd/Hot%20Rod%20Theory/firestone_bias.jpg)
A 16" Firestone bias ply tire, as reproduced by Coker, original equipment on Fords 1935-1949.
![](http://img.photobucket.com/albums/v485/conwi1wd/Hot%20Rod%20Theory/kumho_radial.jpg)
A Kumho 205/70/14 radial tire, standard equipment on the 1993 Ford Taurus
![](http://img.photobucket.com/albums/v485/conwi1wd/Hot%20Rod%20Theory/disc_brake.jpg)
Disc brakes, uncommon on passenger cars until the late 1960s, but available as speed parts and on aircraft since the 1940s.
![](http://img.photobucket.com/albums/v485/conwi1wd/Hot%20Rod%20Theory/buick_drum_brakes.jpg)
Finned aluminum Buick brake drums, which fit Lincoln and Ford backing plates, stop well and look even better.
![](http://img.photobucket.com/albums/v485/conwi1wd/Hot%20Rod%20Theory/skeleton_brakes.jpg)
A "skeleton" backing plate specially produced for use with Buick drums by Wilson Welding.
![](http://img.photobucket.com/albums/v485/conwi1wd/Hot%20Rod%20Theory/hemi_engine_9.jpg)
The Hot Heads Chrysler Hemi. Can you say "bling?"
![](http://img.photobucket.com/albums/v485/conwi1wd/Hot%20Rod%20Theory/hemi_engine_8.jpg)
A high-performance Chrysler Hemi from the 1950s, as originally found in the 300C.