i will hopefully be getting an h22 at the end of august, so i want a list for upgradeable mods *website and prices would be great* with out pulling apart the block.. aside from i/h/e.. what kinda pullys? flywheel? would a new, grippier clutch make a diffrence? nitrous? this won't happen for a while after the swap, but just curious.. how about a new head gasket to raise the compression a little bit? would this cause me to have to mess with the a/f ratio and such? any other ideas?