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Old 04-22-2013, 09:28 PM   #4
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Join Date: May 2010
Location: Windy City
Posts: 2,883
Default Re: 1947 starter torque

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The starter drive to ring gear ratio is very close to 15:1. If you put a torque wrench on the front crank bolt and it turns over with less than 150 ft-lbs then a starter that gives more than 10 ft-lbs of stall torque will turn it. If 150 ft-lbs doesn't budge the crank forget the starter, fix the motor!
Mechanical engineering 101: If you put an adjustment knob, screw, bolt, or tolerance specs on something, some people will immediately fiddle with it. If you mark it DO NOT TOUCH everyone will mess with it.
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