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?
I was looking for an AW11 but it seems like pretty rare for people to sell that, so I've been looking at some other option. One is the one posted by Midship on...