Finally after fitting new turbo, clutch, flywheel, water pump, cambelt and thermostat the golf is running again. Jus been for a drive it seems to be ok, time will tell. Soon as my bank account recovers it's getting mapped, it's a long way off the pug gti-6 it's replacing (which someone kindly wrote off for me a few weeks ago) but I've heard how the map transforms them.