I would start by replacing the items with the torn boots on the front end. Also, take a good look at the track rod mounts and make sure they are not deteriorated. How do the boots on the tie rods look? How does the steering shaft coupling look (between the steering column shaft and the steering gearbox input shaft). AFTER you insure all this stuff is in order then you can go to your steering box (drivers side, mounted on the inner fenderwell accross from the oil filter housing). Loosen the locknut and turn the allen head adjustment screw 1/4 turn counterclockwise and then tighten down the locknut. Take it for a test drive. If the steering wheel still moves over 1" before the front end changes direction, adjust the steering box again. Keep this up till you get it where you move the steering wheel less than an inch before the front end changes direction. Don't overdo it.

Personally, I do not screw around with steering/front end stuff because of the safety aspect of a failed system while driving. I have seen an old GM POS going down the road and lose a tie rod end - it ain't a pretty site.

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Jim