How does one take out a 1973 VW Super Beetle engine and how long should it take?

If you have a few dollars, buy a good used copy of John Muir's "How to keep your Volkswagen Alive Forever" book. It will cover your basic maintenance and even your engine removal.

Here is an Excellent link that describes the operation: http://www.type2.com/library/engineg/kuhn7.htm