There's heaps of info on this site, just use the search function. Also, I wrote up an article on my 2wd swap on uzswap.com, you'll find it here:
http://www.uzswap.com/forum/index.php?PHPSESSID=1a267a963a68809b934d85b3660fe368&topic=134.0
There are heaps of different ways to do the swap, that...