Does anyone know of a good shop in either the Waco or Tyler area that can change a 3.73 rear to a 4.30?

 

Link to a google search I did check out the entire Texas section for some one close to you

http://www.truckworld.com/Truck-Clubs/clubs2.html#TEXAS

Here is just one in Waco....they should know who does this locally

Heart Of Texas Four Wheel Drive Club,Waco, TX. Contact Victor Garced at 254-857-9087 or Johny Hernandez 254-799-8373