Hey guys I have a question, I have a keihin pwk 28 mm that I want to put on my 94 blaster, I have done the following mods to it, 67.5mm piston high compression head, full fmf fatty Exhaust with power core to silencer, v force 4 reeds, air box lid removed, +3 degree timing advance . Any help you can give is greatly appreciated. Thanks.