There's lots of floor shifters for auto's. Take a look at Lokar (while you're looking for your throttle cable ) for one example.http://www.lokar.com/product-pgs/shi...s-shifter.html

For cooling, you will have to have a radiator with an internal transmission cooler, then like Barb says it is simply a matter of hooking up the lines from the transmission to your radiator connections.