General Motors transmissions
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Link to a Muncie page showing [http://www.dandltransmission.com/muncieratio.html Muncie gear ratio, spline counts, exploded view, parts list, etc.] from D&L Transmissions. | Link to a Muncie page showing [http://www.dandltransmission.com/muncieratio.html Muncie gear ratio, spline counts, exploded view, parts list, etc.] from D&L Transmissions. | ||
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| + | ====M20 or M21/22?==== | ||
| + | Put the transmission in 1st gear. Turn the input 10 times while counting how many times the output turns. If it turns 2.5 times, its an M20 (2.52 1st gear). If it turns 2.2 times, its an M21 or M22 (2.20 1st). | ||
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| + | If you determine it's a close ratio M21 or M22, remove the sidecover and look at the angle of the gear teeth (refer to photo above) to see if it's a M22 or not. | ||
====Muncie info from AutoGear:==== | ====Muncie info from AutoGear:==== | ||
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