:End result: larger wastegate needs a larger force to keep it closed to hold the same pressure. I agree with this. But why couldn't you just tighten the JWT actuators to acheive the larger force? :The stock wastegate actuators just aren't strong enough. I agree with this too. If the 530's use the stock actuators, this could be a problem. You could tighten them down, but you would use up all the available adjustment in doing so
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