There is no bolt in the crankshaft hub originally- - - -the balancer is a press fit. If the crank is threaded, somebody has drilled and tapped it. 7/16-20 threads get 55-60 ft lbs- - - - -a 1/2"-20 bolt can go to 75-80.


"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!