Had issues with what seemed like loads of play in the engine mount department. This was made a lot better by replacing the front dog leg mount with an uprated nuespeed item.
Although better, i was still unable to drive the car smoothly through the gears.
Well yesturday i fitted a new forge FMCL007P dump valve.
All i can say is sorted.
No more huge flat spot after changing gear and it seems to be coming up on boost a little stronger now. Before it did not feel much like a turbo charged car, but now there is a definate point at which you can feel the the turbo spool up.

Needs an induction kit now me thinks, oh! and a revo