what fule pump should I use for a 5.0 swap in an 84 cj7? Is there a pump that will go in the tank or will I need to get an inline pump?

A walbro frame mounted pump works great for me. If I ever have a pump failure, it sure is easier to get to it when mounted on the outside of the tank. Just make sure it is mounted at the lowest point and that it doesn't have to pull the fuel from the tank. The pump needs to be situated so that it's fed by gravity from the tank.