Dusty,
Yes it is curved. My tape was held against the cab door frame. I did not bend my tape at all. Used a a straight edge to center on bolt. My wife was holding the other end. 1/16th out? I'd suspect that's well within standards of the 50's on door fitment.

I know mine didn't fit worth blah.


1970 Chevrolet C10
Grandpa's -- My first truck -- In progress to shiny
Follow the build in the Project Journal
1950 Chevrolet 1-Ton Dually
"Ole Red Girl"
In the Stovebolt Gallery
More pictures here
1951 GMC 9430 1 ton dually--Shiny! | 1972 Chevrolet C20- Rusty- the puzzle box lid for the C10 | 1962 AMC Rambler American- my wife's
Parts trucks-
1951 GMC 9300 | 1951-GMC 9430 | 1951- Chevrolet 1300