I checked the boost, at 3750 its 10psi and at 4100 its 20psi, also i found out exactly what was done to the engine b4 i bought it, multilayer steel headgaset, big escort turbo,-31 actuator,k&n filter, stage 3 superchip, mongoose exhaust,dark green 803 injectors, 3bar map sensor,alloy rs500 intercooler, 0.05 mahle pistons, cheeRS