Those high torque starters are actually Nissan or Toyota units with a planetary reduction gear setup that adapts them to the Chevy engine block. We used them a lot on the round track cars, mostly for weight reduction. They weigh about half what a regular GM starter does.
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!