It's been awhile for me, but I don't believe they made a 60's bus with the Type 1 upright motor and an automatic tranny. If you really wanted to, you could always convert over to a bug auto tranny in an early bus. But again, that would require some fabrication work.

Check out http://shoptalkforums.com. They can give you some definitive answers over there. It's a great aircooled site.