All i was told the piston could do with a skim.nothing about a block skim.before the head was done i had the car checked for a head gasket failure to be on the safe side and it was 100 percent spot on.so the deck would of been flat as i have a reciept to proove the block was skimmed before my ownership.i only had the head skimmed by ure self because of the boost increase i didnt want it going pop.the compression is all good as i have just had it checked.as for the head work you did for me surely the head was in good nick as i asked james if it was in good condition and was told it was.so was it pressure tested.iv been assured the piston issue has nothing to do with the gasket blowing.i could of just been supplied a dogy gasket oe what ever. Not making a feud by saying its down to you lot for it happening but am getting the impression that you trying to blame the piston problem for this and that i was told about it that mighr cause hg failure but was not