I wish I had one. Superb range, horsepower, and economy. Regardless of the history, the U.S. is now a backwards nation in every respect including aviation. The A6M3 Zero is all that any one of us can afford to fly, and is the future of GA in America. Japan is ultimately victorious. Ha!
You don't want to enlarge the masseter muscle because your teeth will be sacrificed in the effort of the chewing excercises you'd have to do to enlarge it. And you'll cause unpredictable and possibly severe headaches and neckaches. Just don't screw around with your skull musculature for god's sak...
They're all stoned evidently.