Need help with front end ???????

[biglou55]

I have a 68 that somebody in cali. put a 71-72 front end in it for the power disc setup. my questions are can i put in a 67-68 back in and still put power steering in it. Does some body sell a proportioning valve for a drum-drum setup. or do i even need a prop valve to run a power disc-disc setup. Will i need a special pitman arm for the p,s, setup. The problem is it has five lug front end and six lug rear. I would like to keep it close to original and still have safety. thanks Lou.