Here are a couple of images of an original 216 engine in gray. The shade may have changed a bit in 1954 with the new 235 engine in trucks.
Attachments
1950-Chev-Coupe-437-miles-engine1.jpg (45.78 KB, 289 downloads)
1950-Chev-Coupe-437-miles-engine2.jpg (49.7 KB, 295 downloads)