If he still has the original front suspension, it has king pins.  I don't know of any factory putting discs on a kingpin front end.  He may be looking at a frame clip of some kind to get disc brakes.

John

       Anyhow, thanks for the answers, I'll pass the information along and tell him to register on the forum, maybe we can convince him to build a Y. His last project was a supercharged (Wisconsin) garden tractor for garden tractor pulling. Prior to that he built a four engined version, with four little Honda 2 1/2 hp (ea) engines. Now that was wierd! Sure sounded neat though.  

                   pattern. Got the kit from ABS co out,of you know where,

                   that foreign country called California, installed it in hour or

                   so, only problem they used the re-drill rotor deal so the wheels

                   didn't fit so well the first time. I was afraid of them being

                   out of round, but it rode "smooth as glass", so I'm happy

                   with it.(I did email them to tell them to use a "dummy" wheel

                    for their pattern next time!         Talk with you soon, Bill

                  On the ranger deal, I've had several and the alignment

           spec's call for zero toe, I put about a 1/16 in on mine and you

           can drive it 75 with one hand.

                   My thinking is that with a little bearing wear,ball joint wear,

           it's actually toe-ing out going down the road and causes the problem

           you're describing... Hope this helps  Bill

      I did put a 1/16" toe in on the Ranger and it did get better, but still wanders some. I have a set of AIM 2 1/2" dropped axles on it, they weren't very accurate. We had to shim and bend to get them useable, still has too much negative caster. Had to put a shim under the springs to raise the nose to help that.

       Also Bill, your roads are a ton better than ours, we have frost and freezing issue along with the potholes. It was 38 here LAST NIGHT!!