This doesn't have much to do with the current topic but it's very useful information for what we're all trying to accomplish, which is make our cars perform better in any condition. This website has a ton of awesome information!!! It has pretty much all the info you would ever want to learn about the dynamics of r/c car handling: Tires, Suspension, Alignment, Camber, Gearing, Aerodynamics, Weight Distribution, etc etc etc.... Check it out!!!!! You'll be an expert by the time you're done reading it all. Everything about R/C Vehicle Dynamics!
http://users.telenet.be/elvo/