Stroker physics - where the differences are?

Good addition Moper. Mal This is also why many racers tend to stick with short stroke engines. Long stroke engines are great dual purpose engines and do make excellent racers since there lower on the RPM stress. But pistons speed and extreme torque with the sidewall loading are the backlash to this long stroke combo. With a short stroke combo, it's tuff on the engine due to RPM's needed to get where your going which is a very high stress thing for an engine to do. Constantly live between 3500 - 7500 RPM's.
Things tend to bend, break or just simply fail.