I asked a shop one time how much to do a ring and pinion. The guy had just seen me roll up in my mustang washed and waxed and then gone in and sat down as if to wait. It was a tranny shop. He said "What kind of car" and I said that it was a Ford 8.8 diff with disk brakes and that I had all of the parts. He said "A Mustang?" And I said "Yeah." He came back with "Oh boy, that is gonna probably be 4 or 6 hundred dollars". I laughed, thanked him and walked out. If I had been getting gears in my Ranger it probably would have been $150. I knew he was going to try to take me for a ride when he watched my car park and then went in and sat down to wait. What a dick.