Okay, over the weekend.... What with Truck now leaking more oil than a oil tanker and the 'boss' working on Sat the head change job finally reached the top of the 'things to do' list.
The old one came off the engine easy enough once I had the coolant drained and all the bolts n stuff undone. The nut's and bolts went into old chinky trays (one per major part, ie all bolts connected with the inlet manifold into one tray and so on) makes for easy re-assembly laters.
The head gasket had failed between No 1 cyl inlet valve push rod hole, between No's 3 & 4 cyls and between No 3 cyl and both the inlet and exhaust valve push rod holes. Helps to answer why there was oil/air bubbles coming through the edge of the head gasket.
In addition, No 2 cyl has a nice 'wear ridge' that may well align with one of the ring gaps... all cyl sleeves are well worn which wouldnt help in respect to possible higher than normal pressures in the block and rocker covers.
After cleaning up the top of the block a quick once over with the dial gauge put the measurements right on the border between a 2 notch and 3 notch head gasket, so a 3 notch gasket was used. The previously cleaned up head then went on with no problems, and was torqued down as per spec in 3 stages (Stage 1 @ 49Nm Stage 2 + 60 deg then stage 3 another 60 deg). Re-assembly of all the add on bits went well with NO nut's or bolts either left over or missing (the chinky box idea works well).
All went well, tappits adjusted the coolant mixed and put in.... And it started. Would like to say first time, but with no fuel in the pipes to the injectors it needed a bit of a turn over to get going, but once running it was as quiet as a 2.8 can be...

Left running for 30 mins to spot any possible leaks, which went well and I then took it for a 12 mile test drive....
Got as far as Lechlade, pulled in to fill up and found steam... lot's of steam... Stupid thing had split a hose. Quick temp repair and more water in the system and limped it home. Funny old thing, having a couple of engines on the deck meant there was a spare hose ready to go on, now running happy with a 3.1 hose and so far no more coolant leaks. Oil leaks also seem to have disappeared which was the whole point of the excercise. In respect to crankcase pressures, that's still a bit higher than I'd like but now controlled with an oil catchment unit in the breather pipe. Long term wise the engine will do for now while the old one is sorted and then come the summer I'll be looking to either put that back in or the 3.1 engine. I don't see a long term relationship with the current lump.
This posting may have been helpfull, on the other hand probably not... Either way, I may have had drink when posting it in which case it's probably not as helpfull as it could have been
Work safe, and remember all technical problems can be resolved with a hammer, the trick is knowing where to hit it and how big a hammer to use (I often find it may also help to have a spare bit in the shed to replace the bit you have just mullered

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