Outer Limits 4x4 Board

Hi all, had a thought of fiddling with the turbo pressures. Has anyone tried this on a standard 2003 3 litre hilux T/D. Also what sorta pressures are the turbos putting out?

Any input would be great thanks

factory should be around 9psi. Dont know how far you can wind it up before the ECU chucks a wobbly and a CEL.