Bore to stroke ratio is a very delicate design parameter.
Engineers need a lot of information, and it is mainly based on the dimensions desired for the engine and its performance.
Usually Diesel engines will have larger strokes because of Surface/Volume ratio of the combustion chamber which is...
Well, this happened a while ago, but it is quite interesting.
When analyzing power cylinder failures it is always best to analyze the cylinder with the least amount of damage, for it will tell you how the scuff started. It can start on the ring, or on the skirt or on the pin, all different...