Class16,
I too have a 93EB and I'm not sure in what way yours is loose, ie, wanders on highway, loose in steering wheel, or what. But I did find any easy fix for a front end problem I had on mine. I too had my radius arms replaced recently as mine were toast. I had them replaced with energy suspension poly bushings. It was better, but under some conditions, like sharp turns on pavement, I could feel movement and occasionally a thump under my feet. I saw a post on the Singleton site, it works and was dirt cheap. The bushings, apparently Ford and aftermarket are a bit too short. Ie, when you tighten the big bolt against the shoulder on the radius arm, the bushings and crossmember aren't squished together tight enough. Go to the hardware store and buy 4 flat washers with an inside diameter of 1" (if memory serves). I bought them for $1.79/lb, so 4 were like $.85. The ones I got were about a 1/8" thick. I tried one on each side, drove it for a few days, then added another and problem solved. Take the large nut off the R/A and add the washer(s). Make sure the hole in the washer slides over the shoulder on the R/A. Even with 2 washers installed, with a 10" cresent wrench, I could still tighten the nut all the way to the shoulder by hand. Not sure if that's all that's loose on yours, but its a cheap thing to try first.
CJ