I just found out that in the 1980s, Triking built a 1340 Harley powered version for a Harley agent. Reportedly it had a lot of transmission problems. I don't what what transmission it was or if they used any kind of compensator - which makes me wonder what the practice was for the Ace Cycle car? But, Alan at Triking felt at the time, that the problem was due to powerful and uneven torque spikes hitting the transmission while propelling something heavier the usual application. Which takes me back to my original observation that a modestly loaded M3W is going to be 400lbs heavier than S&S's max recommended load - not that the engine lacks power. My question would be then, what if anything did Morgan do to compensate for the difference besides adding a compensator?