ORIGINAL: earlwb

Now a long stroke engine can still out perform a short stroke engine. The intake ports, bypass ports, and exhaust ports typically have a longer duration in how long they are open as compared to a short stroke engine. Thus they can breathe a little better and develop more power. You see this with the classic .60 or 10cc pattern plane engines. The pattern plane long stroke engine usually out performed its short stroke bretheren. also a long stroke engine tends to develop more torque than the short stroke engine does.