Is wheel/tire weight the problem? - : Jeep Wrangler JK Forum
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post #1 of 7 Old 01-28-2015, 09:49 AM Thread Starter
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Is wheel/tire weight the problem?

When considering the issues with upgrading to a larger tire size, what does the issue stem from? Is it the overall weight of upgrading, or the increased leverage on the components from the size?
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post #2 of 7 Old 01-28-2015, 09:58 AM
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Increased leverage

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post #3 of 7 Old 01-28-2015, 10:13 AM
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Both. Force-moment, both components increase. You've installed a larger heavier tire that takes more force to start and stop. You've pushed the contact surface further away from the axle, so the distance is larger. Multiply to greater components together, (X*force)*(Y*distance) and you get a gear-shearing, pinion-disintegrating, axle-twisting situation.

Originally Posted by bsack View Post
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post #4 of 7 Old 01-28-2015, 05:07 PM Thread Starter
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Makes sense,

I want to do everything I can to increase my tire size with destroying the "sufficient" d30 on my sahara..

I'm lifted already so i'll keep it at 35" and buy light weight tires/rims..

I go wheeling now, but it's nothing crazy.. I'll have to beef it up some if I decide to kick it up a notch on the trails
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post #5 of 7 Old 02-19-2015, 01:52 AM
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It's everything because almost evertyhing increases:
- Mass
- Rotational Inertia
- Bending Moment
- Braking Load

The only thing that decreases is fuel economy.

It sounds like your not even pushing the limits of your 35s. You can roll 37s on a D30 but you have be mindful of what you do because the threshold for damage is lower.
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post #6 of 7 Old 02-19-2015, 02:06 AM
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also depends on where you wheel and how you wheel. wheeling rocks is a lot tougher on your drivetrain than say trail riding or playing in the mud. each style of wheeling provides it's own problems to your drivetrain but the harder you are on the skinny pedal, the more likely you will break something.

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post #7 of 7 Old 02-25-2015, 07:45 PM
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Depends how huge the difference would it be from the stock form. But it can also be solve easily which is also a part of upgrading parts.
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