Thanks for the quick reply
I don't want to pocket the block and risk exposing the top ring, so I'll do all the necessary work only on the head. I could grind .020" off the face of each valve using the universal grinder - that's a good idea to limit the seat work, but I don't have a valve seat cutter so I'll still have to get that done by a 3rd party. Are the Valves case hardened or through hardened? (Don't want to face grind them and break through the "skin")
It had a new water pump recently so I'll just block that for now and I'll machine the necessary off the top to seat the head while I'm in the tool room.
The heater valve connection at the back of the head is already drilled through and 2 studs fitted! Just for clarification - why must the heater be open all the time? Is the single 3mm hole drilled in the thermostat rim not enough on it's own until the thermostat opens?
Yep, I'll be using sintered 1275 rockers and a 1275 gasket.
Thanks again for your comments.