Havin pissed about with s2's for ages i must say i have never ever had a bad cam, the solid 1 i have now has been mint all last year even when we stripped the engine this year to build a new 1 the cam was totally mint no wear at all , its just been put in the new engine last week and the tappets are easy to set up if you follow a few rules but i guess its each to there own ,imo all the fast rst run a sort of newman cam
tim