oh yeh.there was this bunch in sydney i used to train with,had a few pros in it just chopping of at the front flat out,mind u this bunch was a good 100+riders,out past water fall rd i think it was,unreal fast average close to 40 for 120kms.
im doing similar mods to you but im using gt2860r-5 and will not be using cams.aiming for 320kw so maybe save money and see how the setup goes without them..
my2c
http://www.skylinesaustralia.com/forums/in...=140315&hl=
have a look throught there ike some good info,also some miss lead stuff just filter throught it.
hc= hand controller.
there is a bloke by the name jim berry i think who ive heard builds awsome clutches for like 1200 bucks and they can handle shit loads...
i got a os giken twin plate