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Unread 28-04-2008, 15:06
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Re: hey got a tech question about AM Trannys

Quote:
Originally Posted by squirrel View Post
From the AndyMark web page describing the Supershifter:

STANDARD GEARING (this is what is shipped with a Super Shifter order)
Ratio between High and Low gears: 2.56:1
FINAL STAGE, w/ 45:20 GEARS:
Low Gear: 24.0:1
High Gear: 9.4:1

so just divide motor rpm by the gear ratio for low and for high and you'll get your answer.
Keep in mind, though, that your motors operate at less than the free-speed under load.
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