Wow, hey Joey,
Looks like you have quite an opportunity there.
I was about to say that you have the cart before the horse, as you (possibly) have some very nice batteries there, yet no money, motor, charger, or car!
Since you have the golf-cart, make that thing work! Learn all you can about motors, controllers, etc. Go to the library and read all you can and check out the
EVAlbum. There is some good general information in there.
Otherwise, since you haven't done a conversion before, you might want to start with a bicycle or motorcycle. A golf-cart is a good little EV, but it's not fun to put in that much work and then not be able to legally drive on the road!
Another possibility is that you could sell or trade the batteries to somebody else who already has a conversion and would want different batteries for it. Try getting a hold of a local EV group, through the
EAA for example. You might be surprised.
Also, check out the sticky in the Fossil-Fuel-Free Forum here, it has some information to get you started.