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Old 08-10-2003, 04:59 AM   #1
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Default Modified Motor Gearing?

Hey, I just baught 14x3 and a 13x4 motors and I am going to use them 2 bash around in the street with. What Gearing do you reccomend for each of them?

Thanks alot guys
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Old 08-10-2003, 09:52 AM   #2
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what car are you running them in?
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Old 08-10-2003, 09:57 AM   #3
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Some people think since they have a mod motor they can gear them really high, but they're wrong. If you're going to do some street bashing and want some top speed I would gear it so your final outdrive ratio is 6 or higher, but if you're racing on a tight track I would go with 7.5 or higher.

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Old 08-10-2003, 05:10 PM   #4
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14T around 7.5 OGR
13T around 7.8 OGR

I'd say don't go lower then 7 but it really depends on how often you want to cut the comm.
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Old 08-11-2003, 03:50 PM   #5
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I found the following tip at Trinity's site:


9) What gearing should I start with on my Sedan?
(Drop one tooth on the pinion for every turn you drop on the mod motors)
Losi XXXS 48 pitch (Stock - 25/90) (10T Mod - 19/90)
Assoc. TC3 48 pitch (Stock - 26/72) (10T Mod - 21/72)
Schumacher Mission 48p (20t pulley) (Stock - 23/90) (10T Mod - 19/90)
Yokomo MR4 48pitch (Stock - 26/81) (10T Mod - 20/81)
Hudy X-Ray 48 pitch (Stock - 27/93) (10T Mod - 22/93)
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Old 08-13-2003, 03:12 AM   #6
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Thanks alot guys, that was a big help
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