I can't comment on the whiplash cams but I had one of their solid cams in my 11:1 451 w/unported Eddy RPM's. It pushed my 3700-3800# Charger to 11.30-11.40 at the track. My bro also had one in his pump gas 440 w/Indy's that ran mid-10's in a 71 Dart. Good reviews from me.