hello guys.i have a question that maybe some one will know what this is.i have two different cams that came from f series motors,one is a 77 the other is a78.they have RC3 molded on them near the cam sprocket.does any one know what that means,and is it anything special.one also has dd stamped on it by the bolt on the left side,the other has eh stamped on it.any help would be great.aw1
PS i dint get here much but maybe if you can help you could email me at asphaltwarrior1@yahoo.com