Small update:
End float checked - All well within tolerance.
New blower turned up. Ebay bargin! Recently rebuilt by CR turbo's, however is for the 4wd!. Already have the actuator bracket so just a case of rotating the exhaust housing.
Got my rocker cover blaster and ready for painting once i get the cam cover breather drilled and installed.
Head ally welded on the corroded water jackets, light skim with new stem seals, guides and valves cleaned and refitted.