Reducing PS pump pressure

So now that I am almost done with the steering and suspension rebuild on the Brick, was thinking of dropping the pump pressure to the power steering pump to provide a firmer feel to the steering. Shooting for 850ish PSI.

I am going to be using the shim kit from Summit:

http://www.summitracing.com/parts/MCH-P306

I guess I will let everyone know how it goes.