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Old 04-24-2007, 11:52 PM   #1
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Default gearing on a mf2 losi

what kind of gearing do you run on your mf2 truck?
i seem to burn up stock epic motors with a 16 tooth and i geared to a 20 and burnt one up.
just looking for what you run
thanks
set up on mine is step pins and 86 tooth spur gear
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Old 04-25-2007, 12:21 AM   #2
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how long are you running it????

I geared mine at a 19-20 and had no probs with it at 5 min races...
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Old 04-25-2007, 12:24 AM   #3
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I'm running a 21t pinion with a 19 turn motor with no problems, even during 8+ minute practice sessions. It does help that the track is a balmy 40f.
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Old 04-25-2007, 01:38 AM   #4
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i race down here at a-main raceway and ive had best luck gearing it 17-86 however i changed the spur to a 88.... how hott is your motor getting temp wise?
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Old 04-25-2007, 06:16 AM   #5
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its 5 min races the motors seem hot with 20 tooth but and 18 tooth the 16 on the motor i was running was much cooler. but i was tolt im way to low geared
it could be the motor is just powerfull at bottom end i guess and likes the lower tooth.
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Old 04-25-2007, 06:51 AM   #6
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I run 16/86 with the purple top handouts, and usually a 18 on pk2's...
It depends alot on your track on how the motor will need to be geared to keep it in the right temp range.

16/86 and 5mins i come off at @120-130, i try not to get em much hotter cuzz budget racing sux
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