Hi my saph cossie 4x4 is currently running and set up by reyland for t3hybrid dark greens 3bar rs500 cooler... At approx 20psi producing 314bhp i am fitting siemens blacks 55s and a t34.63 turbo obviously i need it remapping again but i want to use it to go to croft next week would it be safe i.e not risk blowing it up if i just fit the turbo for now and set it at 20psi again,thanks