As above,

My Trust TD07 was munted when i bought it and boosted fine, but was only when it was off the car recently that i noted the complete imbalance the compressor wheel now had, and how much shaft play it made.

As a result the compressor wheel had been scraping on the housing and it was rebuild time.

Needed to rebuild CHRA and get a new compressor wheel fitted. Yup, no Trust wheels available, so a Garret GT40 wheel was fitted after some machining.

.....$1500 later DAAAAMN.