got a problem wit my 80 blazer.....the thing romes all over the place..... i use all of my lane and some of the shoulder........checked the frame....not craked.......bolts are tight.....i know you can tighten the steering box but not shure how left or RT. with the screw......i'm going to put all new parts on it in feb. but would like to get it a little tigther till then........