In this, Episode 8 of PowerTec 10,DV explains why at least ,90% of cam cards are delivering the wrong cam setting. Now you may think that the cam companies should know best what their cams should be timed in at but that is actually a fallacy. Here DV brings to bare literally thousands of cam tests to show, without a shadow of doubt, that the cam companies are just giving you their best guess and that can be off as much as 5 degrees.