Check out the WW II Stuart light tank. It was powered by two Cadillac flathead V8 engines- - - - -with Hydra-Matic transmissions. Back in the 1950s my Father's only competitor in Nashville at building Hydra-Matics was a former US Army tank mechanic.
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!