Joel did an awesome job on his "how to" topic on aussieveedubbers.com, and eaventho he drives a 1303 super beetle, he put out information for doing it on any other type of beetle as far as I can tell.
Here's the link to that topic, with all the info you will need. And my example is proof of that.
http://forums.aussieveedubbers.com/v....php?tid=86544