Thanks to Hotrod for that little bit of history. That is fascinating.

In 1952 I believe it was, GM beefed up the Rochester B top a little. The Four screws were a size bigger and the metal under the screws was quite a bit thicker.

1951 GMC 1 Ton Flatbed -- It is finally on the road and what a great time I have driving it!
1951 1 Ton Completed

My Chevy Master 4 Door is on the Road!