Thanks rotorwrench...I do have the #'s...F1R2KC20049 I take it as: F1=1/2 ton pickup, R=V8 flathead, 2=1952 yr, KC= built in Kansas City,MO...Yeah who knows what parts were exchanged on my truck??? I'm not sure of the whole history,my grandpa passed away when I was very young and never got the...