Car Test Software
I found this software on the web and it allows you to test out the effect of a number of changes on the performance of your car. The attached database has 100s of cars already on there as well as several sevens (and a 21). All sorts of variables can be changed:
It is written in DOS, but works well on my machine (XP). The best way to learn how to use it is just to play around with it.
You can download it here: Download CT.zip
The software can also be downloaded from the author's website www.cartestsoftware.com/cartest4.5/ which also has hints on installing the software and a Windows version. The file on my website has more Caterhams set up as default though.
Last update: 9 Mar 2005