Although I know the answer more or less, I had a quick look on the site and couldn't find what I was looking for so the query goes thus... Can ya/Who has open/ed your/their stock wastegate actuator, shim/swap the spring and make it work. Cos I'm going to no matter what (almost) anyone says, I'll post results on Saturday afternoon. Ooorah for the forward slash
Edit: I should have called it wastegate acutator modification....oh well