Dual master cylinder with booster is fairly easy and not that expensive. Power steering? you obviously haven't driven the truck. A 60-66 shortbed truck is probably one of the nicest steering vehicles without power steering ever built. If your setup has been checked over, you don't need power steering. I suggest that you get the truck up to original specifications and then drive it. THEN you can decide what doesn't work for you. I think that you'll find that a '62 is pretty capable of doing good road speed, braking well, hauling the goods, steering great, has a great ride and is generally a very well mannered vehicle. Or you can throw of bunch of "old stuff" in the trash, spend lots of money for "new and improved stuff" and then wish you had that old truck feeling. smile