Hey, Gearworks, thanks for the replies! This board is slow, and the only way to liven it up is if somebody puts enough out there so that somebody will reply. That said...
Rocks in the tread and whatnot is not the problem. This problem has been there through three seperate sets of wheels and tires now.
The vibration is pervasive, but its fairly obviously in the front end. The steering wheel shudders, but only as much as the rest of the car does.
The brake rotors have the weights where they're supposed to be. I replaced both front rotors, so they're not warped or anything.
I've checked the wheel bearings several times for grease, spalling/wear, and tightness, and everything looks fine. I repacked them just recently.
As for the steering box conversion, I'd like to do that, but I have the ford box. I'd have to convert over to the saginaw box before I could use any of the GM guts. Do you know if there is any differences in steering shaft length or anything between the two? I know that the steering box and pump are different... Now that I think about it, I don't even know if the center link is the same or not. There used to be a Ranchero GT in the local junkyard that had the saginaw box and all the steering stuff on it, but by the time I got in there to get it all, they had hauled it off... :(
I'm beginning to think the only way I'll be able to fix this problem is to fabricate a tension rod out of brackets and all thread that I could use to put compression or tension on the tie rods by tightening down on a nut... I've been trying to think how to make one without messing up the steering and getting funky bump steer or something... I'm on my last ideas, really. I wish I could figure out what the bloody hell is wrong!
Anyway, thanks for all the suggestions. Keep firing away!
Mike
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