here's a very informative site, although it's for a vanagon.
http://www.weidefamily.net/vanagon/
there's a ton of info there.
be aware that going ej20t will be thousands more, both in buying the engine and building tranny and such to handle the higher power output.
there are lots of other links, but the one i just listed is one i rarely see posted and it's a good one.