Thanks Adrie - yes, I'll try that.
The compression rings are glued in and there is a neat blob of aluminium welded into the small end oil hole.
The head looks like it has been metal sprayed and the exhaust valve has blobs of ally under it.
I'm glad there wasn't a lot of damage, but you can see it was very hot.
'51,'56 Squares, '48 VH, '27 Model C, R67/2, Mk IV Le Mans, '06 Super Duke and Ariel projects.