Sounds like a very interesting tool to tune with. I developed a somewhat similar tool for WBO2 tuning ( http://www.gearhead-efi.com/Fuel-Inj...-Band-O2-(WBO2 ... see pics on post 25) using the average "IF" function in Excel ( https://support.office.com/en-us/art...9-f5576d8ac642 ).

dave w