CPP has a very good technical section on their site.
http://www.classicperform.com/There are plenty of "kits" available to do almost anything. Personally, I like the challenge of tracking down something ORIGINAL! That's not to say that has to be from the factory to be right, but if I can find the original stuff, then at least I know that I have the full resources of the GM factory behind me. A good deal of stuff that is available from these new suppliers is kind of a one-size-fits-all type of deal.
Here's a guy who can get you the original power steering for your truck!
http://www.powersteeringparts.com/He's very knowledgeable but has some health issues at the moment. (hurry up if you want it!)
As for brakes, I seem to be in the small minority here, but an original vacuum power brake booster (available at LMC) added to your stock brakes (redone correctly of course) will send you through the windshield just as well as discs will! And any good truck driver knows how to prevent fade as well. Just don't keep applying and reapplying the brake pedal! The shoes will expand. Steady pressure gets you down that long grade. JMHO. Enjoy all the magazines for the pretty pictures, not for all the ads trying to get you to buy the latest and greatest!
