Originally posted by Tirod-[EJ]
this is the actualy speed ratings: z is at the top, not Y
S-112
T-118
U-124
H-130
V-149
W-168
Y-186
Z-186 and above (open-ended)
Z is what you find from the factory on sport and exotic cars...
Actually Z is 149 and above...
http://www.tirerack.com/tires/tirete...eral/speed.htm
...unless you want to classify my crappy car as an exotic!