05-29-2019, 09:25 PM
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Senior Member
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Join Date: Mar 2017
Location: ABQ, New Mexico
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Seller of a 1970 LS6 Chevelle SS Explains How the M22 Got It's Nick Name "Rock Crusher:"
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With 500 ft-lb of torque, only two transmissions were able to handle the LS6 engine. The Muncie M22 rock crusher, which supposedly got its name from having diamonds dropped in to the gearbox, and it, crushed the rocks before it chewed the gears out of the transmission.
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