John, I saw the remains of a 4" diameter driveshaft out of a Pete with a Cat 3406 engine. (425 HP) It had three full turns spun into it, and looked like an hourglass. The driver was stuck in the mud in a rice field in Central California, and revved it up and dropped the clutch.
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!