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Old Jan 21, 2013, 07:28 PM
mredzadventure is offline
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Kowalski !.....Options
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USA, MI, Hastings
Joined Jan 2007
2,463 Posts
http://www.hpiracing.com/manuals/pdf/704.pdf

Look at page 8 of your manual it will show you the recommended pinions for your car. You want to be close to the gear ratio. Looks like you can go up to 24 to 25 with a 81 tooth spur you may get better results with a 64 pitch gears. That is what we use to race. That is indoor on carpet.
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