Right all sorted now -

Turbo coolant pipes/hoses were on the wrong way round - i didn't think it mattered -
Heater Matrix hoses , again same, Wrong way round

Now the Temps are a lot better -
Lots of other problems sorted too:

The car never felt right - didn't have the wheelspin , grip , kinda thing , idled funny but was still ok -just couldn't work it out - but after a drive up North and back it shook the problems to the surface ha ha

Engine earth strap was hanging by a thread
Was running a T3 flange manifold with T25 Turbo - was blowing so bad but looked sealed
Incorrect vband (i bought it as a genuine RS one lol) caused untold issues - ie start the car after putting back together perfect , full power etc but after 10 miles the vband would move etc and starts blowing etc
Manifold flange was 3/4 cracked all the way round too

That ebay alternator did not help either - last 3 years been chasing gremlins , bought a 10£ ebay alternator wacked it on and lovely! I get a stable 13.8 volts back . No discrepancies' or voltage dip!

One last thing - thed rive shaft centre shaft was never ever seated properly since owning the car because im stupid lol - sorted that aswell now

Hydraulics - just could not bleed clutch properly - never felt right just always knew something was wrong , New everything clutch gearbox, cylinders you name it ! So what was the last thing ? The servo pot -ha ha the thing was swollen and had a miniscule leak just letting moisture in - AND the cap would never tighten - i always thought the 'click' was part of it , well now that is sorted also!

All sorted now by me!!!!!!!!!!!!!!!!!!!! Steering Rack next!