Quote Originally Posted by Dave Severson
Somebody correct me if I'm wrong, but I believe the 3/4 race and full race cam terms came about in the days of the flathead... Back then rodders were not blessed with the multitude of camshaft and valve train components we have today. As far as what the specs were, no idea... I'm just a geezer, not a super geezer!!!!

As to why I wouldn't tell what was under the hood... It cost $$$$ to find out, usually a bit of bucks up action on the old two lane north of town....If ya won, you could look, if not it was still my secret!!!!!
That's how I remember it. Seems like I also remember hearing about a 1/2 race cam somewhere in my youth.