Thanks, I have the late 75 with the flange that is square like in the JTR website. I just got it today only to find out i need the DAT-110. I was going by the pics, since i did not have a tape measure (wife took it somewhere). JTR does not tell you that if you return an item to get you money back they charge you a 20% restocking fee. I'll see if the driveline place will do an even swap with me.
Thanks!