TheSheMullet and Johnny Mullet together in the same thread! And so close to Valentine's Day!
(Just joshing.)
The challenge of going 80 miles in a large boxy electric vehicle will be stuffing enough batteries in it (or enough money into the project to get "advanced" batteries) to get the range. Have you looked around the
EV Album for conversion examples ? It's a great place to start to get an idea of what's possible.