I use low tack decals. I am on the second summer of using them and they work great. I have left them on for a couple of days and they still come off great.

 

Here is a link.
http://www.izoomgraphics.com/

 

Thanks, Just what I was looking for!!

I will order my number today.

 

I use black duct tape. On the track it's not about pretty.

 

Coool, I will look for that nice blue vette and the black duct tape at autobahn country club.
My old '84 needs all the help it can get.