I am not disputing what you have shown me, i have just seen different. I provided a link which explains the 265 being upgraded to the 283 in 1957 on the 3000 and 4000 truck series.
https://www.hemmings.com/magazine/hm...p/1331196.html
Thank you for all the information you have provided. I will have to run the VIN and see what I come up with.
V/r
Jeff Ivey