Thread: Speedo Gear Selection
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Old 09-23-2009, 07:09 PM
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Join Date: Apr 2008
Location: Mechanicsburg, PA
Cobra Make, Engine: Everett-Morrison, 429CI
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The speedometer gear wants to turn 1000 revolutions per mile. Using your tire diameter and final drive ratio solve for what the speedometer drive to driven gear ratio should be to get as close to 1000 revolutions as possible.
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