Originally Posted by sabzi5858
and if the boost always fell to what the wastegate is set at, we would not have something called boost creep. you can also never run lower than the wastegate spring pressure unless something is wrong (or you forced something to be wrong.) even the dsm's bcs can't lower boost below what the actuator is set at. boost creep isn't just a function of what turbo you are running, there are many things involved, such as exhaust sizing, pressure differentials, and then all the little things that can go wrong.
remember, bad tuning can also cause boost creep. and in a lot of cases, porting the o2 housing (without properly porting the wastegate opening) has cause boost creep to be worse, not better.