Marketing, derived from "full race cam" and meaning "nearly a full race cam" which begs the question "what is a full race cam" Answer: Marketing. On Nov 8, 2012, at 6:27 AM, Mike Munson <fasttrs at yahoo.com> wrote: > That brings up a question I have always had. What does the term 3/4 cam mean, > .75 lift? > > Mike > > Sent from my iPhone