Since you have a Chevy engine, finding a mount for the pump should be easy. The problem is the big block. Even though the 41 uses a fairly wide frame, it is still narrow compared to the cars and trucks that GM put the big block in originally. Point being that stock GM mounts may not work due to mounting width. Most stock pump mounts put the pump low on the engine and that wide big block may not allow that with your chassis. I would suggest an aftermarket mount that uses a remote reservoir GM pump from a later model engine.
Here is a link to the Alan Grove site. They sell aftermarket brackets for a variety of engines. About half way down the page are 2 different mounts for the Type 2 remote reservoir pump for the BBC with a short water pump.
Big Block Short Pump
Chevy used a long and short water pump. You need to know what you have to get the correct mounts. Search the web for BBC mounts and you will find several manufacturers selling them.
The mounts don't come with the pump or reservoir.
The next question you have to ask is do you have AC or intend to add one in the future? If you do plan to add it, you might want to consider a complete front accessory system all from the same manufacturer. Some complete kits will come with alternators, AC compressors, and the PS pump. It will also come with all the hardware and often with new pulleys. These kits solve a lot of issues, but they are far from cheap.
I tried a couple of the pressure relief kits that Joe talked about since they looked like a cheap solution. I couldn't get them to work as advertised. They made no noticeable difference in my steering. To revalve a pump, you really need to have a way to check the pressure, which I didn't have. The pump on my 46 is bear to get on and off and I couldn't chance the internal parts of the valve on the car. I got tired of pulling the pump and just bit the bullet and bought the Heidts system. The Heidts bypass is adjustable after it's installed, so I could dial the steering in easily. The Heidts bypass is expensive, but it solved my problem.