Well folks, I finally decided to call my Ford dealer (in Raytown,Mo)to set up an appointment to have the 4:30 gears put into my '08 F350 dually. I was a bit shocked when the "Service Dude" informed me that,"We don't do aftermarket work, you will have to take it somewhere else." A bit shocked! I was angry, I have bought 5 vehicles from these folks and they won't work on my truck. I called another local dealer and he couldn't believe it either. He wondered how they got "aftermarket" from putting Ford gears in a Ford truck. Tomorrow I get to sit around the dealership in Warrensburg while they do the work. As an aside to this, while we were having some work done on our SOB awhile back, I visited the Ford garage in Ottawa, Ks and had them work up an estimate for the work. The two dealers that bid the job were only $2 apart. Now if I can just get the call from my bodyshop about when I can get the deer ding removed.