im thinkin of going all out on my head. change up my whole valvetrain. port and polish,5 angle valve job. maybe thats about it. still not sure. just gettin some ideas. dont know if i want mad speed or just a lil faster than what i have. only problem is where i live we have sorry machine shops to work on my head. we used to have skunk 2 near here but they moved to so. cal. who knows maybe i wont even touch my head and just go with some more bolt-ons.!!!!! gas is tooooo expensive and my R loves gas..