I just installed a new one in my 95 last night. I don't know if it's any different for 89-93 SC's, but here's my low down. Everything that Don said I agree with except for the 11MM Bolts. My radiator was held in with two 13 MM bolts (Not that it matters that much but my .02). Also, I don't know if you absolutely have to remove the intercooler, but I guess Don was indicating that you don't have to and after thinking about it, I guess it's possible, but tight for actually lifting it in and out. However, I chose to remove it because I bought Tbird88's intercooler gasket set and I am doing other things (replacing sparkplugs, wires, idler pullies, etc.) and the Ford Service Manual instructs you to do so and being a Technical Writer by employment and a licensed Airframe and Powerplant (Aircraft) mechanic I always try to follow the instructions because usually there is something in there that if you don't do you end up breaking or something else that is bad.