As said in another post my head gasket has gone.
Whilst the head is off I'm considering some porting and polishing.......
Do you know how well these engines repsond to it?
Someone I know works in a engineering place and says he has a book that tells you what to take off where on the head of all cars for performance increase.
Apparently there are 4 stages - 1 is very mild and 4 is race spec.