I know that we have postings about howstuffworks.com but I found this interesting paper.It is worth sharing.

http://vettenet.org/torquehp.html

 

First, before someone rates this thread a one, you might want to move it to "car talk"

This site has been linked before. It is pretty good. Here's another one linked here previously:

http://www.stanford.edu/~voloshin/lhowwhy.html

Then there's the classic "physics of racing" series. Highly recommended and available all over the net. One link:

http://www.miata.net/sport/Physics/