Hi All,
Well removed the heads yesterday and i think i need a new head.
Fault gas in the water and cooling system getting pressurised and hot,
Found rust marks on the front 2 N/S spark plug threads.
Inspection of the heads and the 2 bores that match the spark plugs are discoloured to the other 6 (cleaner as well)
No marks on the gasket to say that it's broken out. No marks to the block and liners look ok (cant see 2 liners fail?)
The head has been skimmed in its history 2013 previous owner?
Can a head pass a pressure test but fail in the real world operation??? Can a head fail internally and not show on the surface.
Would add Photos but i think site will not allow.

Upload photos to Photobucket or similar, click the insert image and then put the url for the image in the pop up box.

Photos of head and block which i think is at fault

Oooh, I can moderate and edit other peoples posts!!! Changed it so the pictures appear in the post and not just the URL for the pictures.

From those pictures, it all looks no worse than I would expect to see. You had combustion gases in the coolant so they had to be getting in somewhere.

How about some pics of the block face with head gasket removed?

Block Face shows no signs of breakdown, The Head Picture does not show what i can see being the 2 R/H valve sets were pink in colour. Around the rim of the inlet valves are pitted and been passing (as dark in colour not silver on mating surface) on the Exhaust valves the internal surface were slightly rusted. All 6 other valve sets look normal. The head Gasket shows no signs of breakdown.

The Receipts on the RR say heads were done in 2013 and the car has only done 800 miles since then? MOT History says the RR has done only 2000 miles since 2009

Again N/S head full skim down to min Faultly head, O/S head .010 skim leaving .040 left. I can't see 2 liners at fault on number 1 and 3. I'm just not seeing whats causing gas in the water unless the head has failed internally?