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Thread: Motor/gearing help.

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Old 03-30-2015, 01:42 PM   #1
Pebble Pounder
Join Date: Nov 2005
Location: south jersey
Posts: 136
Default Motor/gearing help.

My current setup is 1.55 mtz's, 3s, 85t brushed, and the gpm spur with the the small pinion. Original gearing was 16/80. Speed was perfect. I had a spur issue and replaced with the gpm stuff. much stronger but now I think its too fast. I used the small pinion in the gpm kit so now its 13/6? dont know the spur count. On top of that I want to swap to a 1.55 mud thrasher which is taller than my mtz's. How do I gear down?
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Old 03-30-2015, 06:11 PM   #2
Rock Crawler
Join Date: Dec 2014
Location: In the sticks
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Default Re: Motor/gearing help.

If you are already using the smaller of the two pinions the only thing I know of to do is install a Gear reduction unit.
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Old 04-16-2015, 03:55 PM   #3
Quarry Creeper
Join Date: Oct 2013
Location: Nanaimo
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Default Re: Motor/gearing help.

Sol unless you go to a reduction unit. Rc 4wd makes 2,3,4:1 bolt in planetary reductions

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Old 04-20-2015, 08:05 AM   #4
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Default Re: Motor/gearing help.

Wow, sorry to not get back to this sooner. What I was trying to say is which gear reduction do I go with to get back to my original setup?
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