"Don't both machining just the head, if your gasket is bad, the block will probably be bad as well. Do both."
I thought I was the exception.
Bolted it all back together and had all the same symptoms within two months. >:(
Time to do it properly!
Into the garage my Supra went again. This time, for a long time...
Out came the engine, and off it went to Phillip for a complete rebuild.
They guys at the shop confirmed that I had indeed blown a metal head gasket...
They replaced the rings, the bearings and all the valve gear.
They milled down the block 2 thou (!), bolted it back together and gave it a nice coat of paint for me.
It looked fantastic!
Working weekends for several months we finally got the car back together and onto the road.
It had never run as well! It's purred and was generally very reliable for a good 6-12 months (apart from the starter needing an extra solenoid to engage properly and consistently)
Finally though, the symptoms returned...