Don’t worry about that, it’s normal. It’s actually more out of the ordinary to have boost when free reving the engine
i had a TDI VW guy tell me something is wrong if i don't make almost full boost when just reving the engine.
he didn't understand why it would only make a pound or two and i tried to explain its normal but he didn't get it.
maybe since those turbos are the size of my intake piping they make boost just reving?
So much this. Timing on a turbo motor is usually a little different than a N/A one; usually a little more retarded by a degree or two.And if you feel the timing is off then scribe or punch a mark where it is lined up now and play with it till you get the results you want