i have a set of supertech titanium retainers and portflow valvesprings ready to be put in my next motor once i choose a cam, the only problem is i have no fkn clue which one i should choose. i can get a set of jun III cams and toda spec a/b for the same price and i need a guide. are any of the cams known for breaking or wearing out fast? i dont want to invest in some cams that will lose power after a good while. second, which of the three do you think will make better power after tuning? this is going into my jdm b18c-r.