Originally Posted by rs-nut-john

Have you checked the hose on the bottom of the turbo ?? there prone to collapsing under boost reducing air flow/boost.

I would take off the bleed valve and reconect the amal valve back up (although these rarely work right) and see if it is that which i doubt it will be m8..

other than that looks like Act is weak and a run out to the Ford Fair is on the cards for a nice new one