Timeslip database?
 

Buddy of mine just launched his site. Its a timeslip database, more user friendly than the rest and you can add more than one car if you please. just spreading the word, check it out. Its even has specific section to group cars. I can add then as requested
http://www.myslips.com/images/page_logo.gif
http://www.myslips.com/?p=5