you could be like me and mod it just cause you are too damn curious. bore it (i think max allowed is 70. have a 3 angle valve job done, the ports, have the intake sharper and the exhaust dull. the intake, well we all know that. valve adjustment tighten the intakes about .02 tighter and ex stock , retard timing .02 and get volvo 3 way plugs, find time to go to the market for some meat cause its gonna be a raw change.