I would LOVE to see the results of someone installing cams on the S65B40 here in the States. Looking at your signature, have you asked Evolve Automotive if they can do it?
They are tuning a lot of cam'd S54B32s, S62B50s, and S85B50s. Granted all different motors and DMEs, they seem well versed in tuning next level modified NA motors.
Keep us posted on if you find any other tuners who have proper calibrations and solutions.