Boost goes up nicely to 0.5 bar at 3000rpm but then starts to drop to 0.3 bar starting 3000rpm until 4500rpm. After that it fluctuates about between 0.4 and 0.3 bar until 6000rpm. Any idea why? Boost leak?
Just Last week coming down from half cut shop ...Rx7 Fc mk5 half cut ,knightsport turbo ,ecu knightsport,trust intercoller,greedy water temp,hks i/coller paiping ,front bumper r-magic face ,absorber 1set...