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Old 07-15-2012, 11:14 PM
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Default Gear ratio help

Hi everyone, im runnin a velineon setup and was wondering if 20/90 gear ratio is dangerous to run for a long time? Any input would be awsome THNX..
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Old 07-16-2012, 12:29 AM
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That should be fine, the stock gearing is 23/86
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Old 07-16-2012, 02:41 AM
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Really? This setup came with a 19/90 ratio.....
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Old 07-16-2012, 04:28 AM
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Did you start with the vxl? Or did you have the brushed motor and then move to the vxl?
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Old 07-16-2012, 05:03 AM
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I used to run ~23/76 most of the time with my Rustler and Slash. Sometimes it would get hot but most of the time it was fine.
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Old 07-16-2012, 12:06 PM
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Originally Posted by OMG23RC
Did you start with the vxl? Or did you have the brushed motor and then move to the vxl?
No. started out brushed then the vxl was put in. I was wondering because its a trade i worked and the ratio didnt seem right..It was ball slow...lol
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Old 07-16-2012, 12:10 PM
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It'd help to know what car this is in.
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Old 07-16-2012, 12:12 PM
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Originally Posted by Jeckler
It'd help to know what car this is in.
Sorry...ITs a Traxxas slash..
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Old 07-16-2012, 02:41 PM
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86/23=3.74 (stock)
90/19=4.74 (current)

I'd probably get the 86 spur, then just play with pinions from there, starting around 22. But it sounds like with what you have now, it's fairly under geared. With BL, that can be almost as bad as over geared. But it depends on driving style and terrain too.
Traxxas has the manuals if you want to go check them out.

Last edited by Jeckler; 07-16-2012 at 03:09 PM.
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Old 07-17-2012, 12:48 AM
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Originally Posted by Jeckler
86/23=3.74 (stock)
90/19=4.74 (current)

I'd probably get the 86 spur, then just play with pinions from there, starting around 22. But it sounds like with what you have now, it's fairly under geared. With BL, that can be almost as bad as over geared. But it depends on driving style and terrain too.
Traxxas has the manuals if you want to go check them out.
THNX for the advice. I'll check it out...I ran it today and it wasnt terrible...motor was a little hot...
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Old 07-19-2012, 11:35 AM
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Is the truck for bashing or racing? If is for bashing, use a whole battery with the ratio you want to run and then check the tempature with a temp gun. If the tempature is over 140-150^F than go to a lower ratio. If it is for racing run for the time of a main, and again use the temp gun. Again if it is over 140-150^F use a lower gear ratio. Hope I helped.
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