heres the problem, my 2000 reg k11 wont run right, it seems to use loads of fuel and it is really sluggish, i raced it against my dads (completely standard 140k mile)1994 1.3 and he destroyed it, what could be causing this problem? and are the older 1.3s faster than the later "1.4"? i cant thave my dads old one beating my new shiny one so please help 