http://www.youtube.com/watch?v=1qB0lb401ZU&NR=1 

Beetlejuice150 is a Dutch guy named Paul van Tiggelen. He's got loads of stuff on youtube.


Regards,

Matt.

I wouldn't recommend doing that without a few
modifications to actually waterproof it

A VW Beetle will float for many minutes [can't remember how long]
much longer than any other car
as other cars don't float at all....

LEE