Originally Posted by 3rdgenlxi
I read in SCC magazine that the guards are not for detonation purposes but to prevent the tops of the cylinders from deforming at high rpm's & temps.
has absolutly nothing to do with detonation.. has to do with strenth of the cylinder walls.. hondas are notious for having weak cylinder walls due to the huge water jacket that is all the way aroudn them.. thats why in high HP applications.. sleeves are recommended!
