start with getting your crank nose fixed or checked if you haven't already done so.
even if it looks okay but has never been fixed, you should get it done, or at the very least put the one way clutched pulley on the alternator as a preventative measure against the crank nose wobble, and eventual death of your engine.
once you have that done, on come the mods :twisted: you can go straight for the fuel screw etc, but it would be a good idea to get some intercooling. :wink: