Hood,
Thanks, I finally came to that conclusion- maybe in the coding it is adding the clearance to both sides of the part. I was still getting the double cut error, and after trying about everything by trial and error, I found 2 issues
1. If Jog is turned on it wants to cut double
2. If backlash compensation is turned on it seems to double the backlash value of X when in diameter mode.
Once I turned those 2 items off I was getting cuts accurate within the range of the machine back lash. My next plan ( after resting my feet) is to cut the X axis backlash setting in half and see if that works.