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Old 07-17-2013, 08:12 PM   #1
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New jeep owner need education

I just bought a 2008, Unlimited Saraha. It already has a 4 inch lift and it has these tires/wheels
18inch rims with Bridgestone Dueler A/T P255/70R18 tires.

The tires look silly in my opinion too small, and I want something "meatier" for off roading. I am thinking 35x12.5 or maybe even 37's.

My question, can I put these tires on an not have issues. My son (21 years old) said "a friend told him" that you have to be careful not to put too large of tires on too small of axles as they could damage the Jeep.

I know nothing about this, and thus the reason for this request for help. I appreciate anyone's input, as well as patience as I try to learn this stuff.

Thanks

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Old 07-17-2013, 10:03 PM   #2
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Ur sons friend is correct. Anything that can break a d44 can break a d30. Their weakest links are the axle C's. going with a bigger/heavier setup (35's and over) will put a lot of stress into the the axle ends. They can break, they can bend and you'll have to compensate by fighting the steering or get a new axle. Big pot holes, and offroading are contributing factors. The simple fix for that are to gusset the C's... They weld a piece of metal on the upper/lower axle c which makes it more sturdy.

If planning to use ur jeep as a jeep and frequent the roads less traveled, ur may want to consider axle sleeves or a truss kit. Maybe overkill for certain situations but its piece of mind.

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Old 07-18-2013, 07:00 PM   #3
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Thanks

Appreciate the info, when I get ready to put the bigger wheels/tires on I'll look into your suggestions. Thank you.
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Old 07-18-2013, 07:07 PM   #4
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theres also more...bigger wheels/tires will throw off your speedometer. I would invest in the AEV Procal module. it will calibrate ur speedometer correctly, change ur shift points (if auto to compensate for larger tires according to your gears), and turn off your tpms sensors or adjust it to your specs.
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