Just to note, my car with the Hypergear turbo was put on Andy's dyno when it was running BP98 and 350hp on Allstar hub dyno... First run it made 260rwhp, then they strapped it down a bit more 280rwhp and then got told to stop mucking around and it went 320rwhp.
The dyno before the move was totally rooted (retarders seemed to be shagged), I don't know if it has been re calibrated since but might be a issue.
Food for thought...