honda450rpower
07-07-2010, 01:29 AM
09 yfz450r have fmf 4.1 w/ mega bomb header velocity intake open air box and a gytr head sittin in the box need to know the best high comp piston and what the best programmer and ignition to run on the bike to get the most power thinking about msd blaster, pc v w/ auto tune, two brothers programmer w/ vortec ignition dont know which to run and which piston thinking bout gytr 13:2:1 or a 14:5:1 from wisco need power need help anyone have any ideas