Originally Posted by PoppaSmurf
a friend of mine (the former HondaEatingTSi) got a 16G from FP and it was running like 9 psi on the spring, so i do believe it...you need fuel, a clutch, and a tuning apparatus, personally, i would start by getting a clutch...and stop buying so much shit from GReddy, you can pay less money and get better quality products through DSM specialty shops
Could be pressure drop/pressure differential between what the actuator sees from the turbo outlet and what the gauge sees in the intake manifold. AFAIK the 16g actuators are supposed to be at least 11lbs, maybe more.