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Thread: What does it mean to overdrive the front axle?

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Old 04-30-2017, 09:33 PM   #1
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Default What does it mean to overdrive the front axle?

I read about people overdriving or underdriving one of the axles?

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Old 04-30-2017, 09:34 PM   #2
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Default Re: Hat does it mean to overdrive the front axle?

The front wheels spin faster than the rear. It helps significantly with climbing and in my opinion turning.

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Old 04-30-2017, 10:43 PM   #3
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Default Re: What does it mean to overdrive the front axle?

From what I've read here as far as the SCX10.2 is concerned, it means to drive the front axles faster until the cheapo aftermarket Xtraspeed gears explode.
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Old 05-01-2017, 12:09 AM   #4
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Default Re: What does it mean to overdrive the front axle?

Here is an example of overdrive underdrive. You see the shaft from the transmission is going into the transfer case and directly into the rear axle keeping that stock axial drive. The transfer case then gears up to 1.47:1 and shoots the driveshaft to the front axle. This means for every 1 rotation of the front tires, the rear goes about 3/4 of a rotation. As stated above, helps with climbs and steering quite a bit. Or as also stated, get the xtraspeed 1 piece spool overdrive gear and watch it strip. Im sure it will work really well once or twice!

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Old 05-01-2017, 10:22 AM   #5
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Default Re: What does it mean to overdrive the front axle?

I run the Toyzuki V2 setup which I believe is a 31% overdrive? All I know is I love it. No Xtra speed junk gears for me.

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Old 05-01-2017, 11:01 AM   #6
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Default Re: What does it mean to overdrive the front axle?

Or the rears are slower by underdrive on them....

Reason for either is to let the rear follow rather than pushing


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