1951 1/2 ton rear mount fuel tank

[51HAMMER]

Howdy everyone, new to the forum. I just got a 1951 GMC half ton. Pretty decent shape, at least its a good solid starting point. I just installed a limited slip rear end out of a 99 explorer with rear disk brakes. Now I want to move the fuel tank out back. I keep finding tanks where you have to cut a filler hole through the floor of the bed. Seems counter intuitive to me....its a truck bed, stuff goes in it. Does anyone have suggestions for a tank with a side filler? I saw a pick of one that has the filler come out the side of the bed right next to the brake light. That's sort of what I've got in mind. What are all of you using?