got from article from previous post: "If octane were used in its pure form, the fuel would have an octane number of 100. An 87-octane gasoline is 87% as effective in preventing knock as pure octane would be. "
Follow Ups
if 100 octane is 100%.. is 110 octane is 110% - ZXnewbieZX14:50:21 08/19/04