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[Kevin Wood]

Pistons are the same (same size), same as bearings and rings. There are valve marks on 2nd piston (intake side) and clearly only intake valves were replaced together with the guides – these look different. I think that oil wasn’t  been changed very often and that’s why oil rings failed. Another explanation is as mentioned, that due to overheating (fan sensor was disconnected) valve stem seals were damaged. You may find that all cylinders weren’t OK so I think this might be a reason as well.
But I couldn’t take the risk to do the head only and stay with the problem. This was also a challenge for me [ch61514]
I will try to find somebody to skim the engine head (mine will be skimmed by my wife if the engine wont work: ))

I know that feeling.   It won't be just 0.01mm either, and it hurts when the material is removed with a frying pan rather than a grinding stone!  

Makes sense to do a proper job if there's any doubt over the engine's condition, and it's satisfying work, I find. Until SWMBO has had enough.  

Kevin

[mkaminski100]

I can only admit… English or Polish – wifes are the same everywhere and it will always be their way and all you can hear is “I was right” and all you can answer is “Yes, dear”. Otherwise you’re in trouble, no matter if it’s not your fault..but on the other hand, we can’t live without them
Hope to fix it soon as she demands to buy knackered Fiat Seicento or Vx Corsa and fix it so that she will have her own car