hello peeps,ok,i got my crank sorted out,long rod and blaster pistons,im runnin stock carbs,stock pipes,(yeh i know dont laugh,its the only pipes i can use on the street over here)mild port,head -0,28 my altitude is about 800 meters(2400 feet) and am not sure what i should do about my head ccs,can anyone recomend how much and what profile they should be cut to? im gonna bore the cylinders out for the blaster pistons(i hope the bore isnt too thin for them?)thanks.