I am trying to find the xcel spread sheet used for copying your current knock retard then putting up against another to smooth out with auto corrections, can anyone steer me in the right direction.

 

What program are you using? I use EFILive, and you just log KR, and subtract those numbers off of your spark table and smooth it out. I am not a pro tuner, but this method has been working well for me. Maybe one of the more experienced tuners can chime in.