August 2015.Heads done. I bought some shims from precission shims in croydon. Great service ordered monday arrived tuesday. So new valves installed, lapped, valve lash measured, shims replaced as tequired ,  cams instaled torqued up and clearances measured again. Set at .30to .35 ex .20 to25inlet.  Job done! 

29 July 2015
valve guide seals springs installed

July 2015
heads cleaned in woodies big dishwasher and inlet manifolds bead blasted. New exhaust valves from superperfornance in england new valve guide seals everything cleaned lapped and starting to come together.

7th November 2014 heads stripped of all the bits . 2 of the sodium filled exhaust valves decided to shear at the stem head junction.
They seemed perfectly ok until I gave the spring compressor a bit of a tap to loosen the collets.   Didnt take a lot to fall apart.   Good thing I decided to change them for more modern metalurgy.

29th September 2014
Got one of the heads off today . Still dont know if the valves are sodium filled or not.  Might have to take one out , apparently thete is a part number near the top of the stem.  Everything else seems to be ok.
The bores have no ridges or scoring.

27th Sept 2014
Carbs and rocker covers off.

 25Sept 2014
Finally  rigged up the crane and pulled the engine out. Tight as'!!
Had to remove front heat shield and front manifold mid lift. The two long studs from the rear rocker cover got stuck under the deck lid latch. I was going to remove them but could not find a stud remover the right size.
Did not remove the engine mounts or the clutch housing . Used an old carpet to protect the paint and rear window.