I would not suggest this strategy, due to it leading to premature turbo failure. I would suggest running the engine like a well tuned N/A engine until it gets into boost, this means running it lean and with increased ignition advance. After all, the engine is operating just like an N/A engine that has some slight back-pressure (from the turbo).
This is called footprinting, and this is something we are looking to implement on the next version of AccessTUNER Race.
Take care,
Christian.