Originally Posted by Dwight Frye

Think of it this way: Have you ever heard of anyone damaging or having a poor performing engine who followed the factory recommended break in procedure ? I haven't. There are some who recommend "driving it like you stole it" right off the showroom floor and who claim no problems. Maybe so, but the anecdotal evidence isn't in their favor that it does any good either. Err on the side of caution and RTFM.