[Steve Firebird]

I have one of the first type and it been fun. Its a good way to tell if you are gaining from work you do on the car. Right now a friend has it and does not want to give it back. I did play with the new version that a friend let me use it was great. You can down load the runs on your computer and look at a lot of info. I do know a guy that did get a expensive ticket from using it on the street so you have to watch out.