you need to call burton ...he will tell you from racing on the same team as the drake ...the best way to break it in ....i went with it ...eventhough it was different than the way ive broke in my last 3 engines ....dont know if hes using the wot method any more ....? it was in an xtreme rc issue about 4 months ago ...i understand it ..but dont know if i will ever use it