i toasted my act heavy duty plate ans street disc after just a few months. now im asking for tips on how to choose the "right" clutch for my needs.im runnin a bl 67 kit and fuel no n2o and drive to work twice a week with the car and race on weekends. so far i have 2 type of excedy clutches to try.tmo43sbmc carbon and the tmo4335r metallic disc. car only makes mid 600 rwhp. any ideas from some of you who are in my shoes?.