Working on something else (about carbs), I came across THIS in our Back Room Tech Tips -- "Identifying the 216 / 235 / 261" :: "Quick and easy 216, 235, 261 spotting"
~ Peggy M 1949 Chevrolet 3804 "Charlie" - The Stovebolt Flagship In the Gallery "We make a living by what we get; we make a life by what we give." -- Winston Churchill