hi i was told by the last owner my car is chipped but how can i tell??
my rs runs 0.8 bar boost and has no amal valve fitted just a bleed valve.
would a un chipped car run this boost or would the amal valve normaly cut the boost.? my exhaust tip is black with soot so i guess the fueling is correct/overfueling?

at 0.8 bar it runs fine pulls well to 5500 rpm then runs out of puff
but at 0.4 bar the top end seems to pull harder up to limiter, could that be not enough fuel or just the std intercooler not being effective at higher boost

thanx for any answers