All the major manufacturers subscribed to the "baby chick" model of building millions of engines- - - -"CHEEP-CHEEP-CHEEP". Their aim was to make an inexpensive, reliable, long-lasting engine that met the needs of the majority of their customers. They left the exotic high performance head designs to people with more money than brains.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!