**for every pound a wheel weighs while not in motion, it becomes 9 pounds when it is rotating due to centrifugal force. So you do the math, a 40 pound wheel, will weigh approx. 360 pounds.
Hey, UKUNT, check out this Ferrari Enzo video, this guys is hauling, even on the curves and does not lose control like Eddie Griffin did.
daily Car Videos .com » pushing Ferrari Enzo to the limits