540 Gear Ratio

Old 01-21-2009, 08:42 PM
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Default 540 Gear Ratio

Can someone please explain to me what changing the spur to a bigger spur does and what changing the pinion to a bigger a bigger pinion does?

Also what kind of gear ratio and final drive ratio for the 540 class?

Thanks
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Old 01-21-2009, 11:25 PM
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Bump

I would like some help because I will be buying the pinion tommorow.

Thanks and please help
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Old 01-21-2009, 11:27 PM
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Changing the spur to a bigger one will make your ratio go from ie 6.5 to 8.5 if you go up in the number of teeth. Increasing the pinion number of teeth does the opposite. For ratios for Silver can racing, try a 90 tooth spur with a 50 tooth pinion for the cyclone s, which is around 4.4 It really depends on the track.
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Old 01-21-2009, 11:30 PM
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Default 540

well going for smaller spur will get higher top speed and getting a bigger pinion will get a higher top speed but watch the temp on the motor!! i run 540 and i have a 69tooth spur with a 33 pinion if that helps??
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Old 01-22-2009, 03:47 AM
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so 4.4 -5.2 is a good sort of ratio for 540?
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Old 01-22-2009, 04:06 AM
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Originally Posted by rcdude8 View Post
so 4.4 -5.2 is a good sort of ratio for 540?
I used to run mine 4.05 but I have done it down a bit more
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Old 01-22-2009, 04:23 AM
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Well I am going to run a 96t Spur and 50t pinion which is a 4.68 ratio.
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