Following the SKOSH chart - your experiences?

Why wouldn't it apply to C Bodies?
Good question but on the bottom of the chart says ABE and R for transverse bar vehicles FJM different spec. C is omitted. Why? Accident or intentional? Maybe cause people don't do performance driving in a C body? I don't see why it would be different but I want to be sure. Just a cruiser. 383 4 bbl auto