Originally Posted by
crazycage
when new they are 48.5cc will be a bit less if its had a skim. measure it tho
ok cheers mate. my head is unskimmed and doesn't need a skim either
i read in an old fast ford that the 2 litre silvertop combustion chambers were 48cc and the blacktops were smaller due to having a dished piston
i will be measuring mine when its out of the car