Boys, a bit of advice.
The forums are RICH with discussions on this and other topics.
Go to SEARCH and do a 1 year search on car physics....plan to be busy for a few hours reading what other people have said!!!
This strategy is true in general; before you post a question (and I'm not flaming you, just advice
)do as extensive a search on the forums as you can. If still no answer, then post away!!
Enjoy and keep us posted on your projects!!!