Mach3 - weird coodinate shift with inch/mm gcode change

[CnCAbc]

Well then I think that the steps per are wrong on the drives

I set them using the "Set steps per unit" feature, under the settings tab. It's like they're X10.
My driver are set to 1/8 (1600 pluse/Rev) .
I am using Tr8*8-2p (4 starts). And nema 23 @ 1.8°