Just ripped the head of my mates 106 gti and found the gasget has blown between number 1 and 2 cylenders,It has also done the head aswell its burnt a little tunnell at the exact same bit as the gasget,Ive spoke to a fue people and they recon this has happened because the engine is running to warm they say that it could be coz the cat is removed.I also notticed that it had burnt the tip of the spark plug aswell plus 2 weeks agow i had to replace the lambda sensor it had lost part of its head aswell,What do u guys think is it coz the cats removed?