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Old 07-13-2010, 10:34 AM   #1
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Tire size advice

I have an 06 2.4L with 30" tires. I just put on a 2" lift, shocks, and a 1.25" BL I have 15x8 aluminum rims. I can't decide weather or not to go to 32x11.5 or 33x12.5 mud terrains. the difference is about $20 a tire so no big deal. My concern is I'm not going to be able to re-gear for a while, I can deal with downshifting and whatnot on the interstate but I don't want it to dog on the trail. Is there much of a difference between 32 and 33" tires performance wise? I have 3.73 gears at the moment. I realize I will lose power but what do you guys think 32 or 33's? I offroad quite a bit and want the extra flex clearance of 32's but I also want the extra ground clearance of 33's.

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Old 07-13-2010, 11:11 AM   #2
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Are you sure you have 3.73s? I thought all 4 poppers came stock with 4.10s? I could be wrong though.

I would go with 32s personally. The extra 1/2" of clearance is minimal, but the extra power loss would be significant with 33s. Unless you wheel a lot, then the 33s might be prudent. Also, the 32s will fit better with less rubbing with only a BB and 1.25" BL.

What tranny do you have, 6 spd or auto?

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Old 07-13-2010, 11:37 AM   #3
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Tag on both diffs says 3.73 I have 6spd manual. The power loss between 32x11.5 and 33x12.5 would be that much? I mean really as long as can have power on the trail I could care less about highway driving. I have been leaning toward the 32's for some time but the 33's are still hanging over my head.
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Old 07-13-2010, 01:22 PM   #4
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It'll be fine on the trail. I have 33's with 3:07's and it does fine. Every opinion is different, and if you are seriously concerned, see if you can borrow some 33's from a buddy for an hour, drive it around and see what you think.... I have no real need for speed, and so it works ok for me.
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Old 07-13-2010, 01:29 PM   #5
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if you are seriously concerned, see if you can borrow some 33's from a buddy for an hour, drive it around and see what you think
Unfortunately I recently moved for my job and I have no friends within a 300 mile radius

Should I have enough clearance with 3.25" of lift when I am disconnected and at full flex?
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Old 07-13-2010, 01:33 PM   #6
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Idk about disco'd... Join a club! You need to make new friends since you just moved!
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Old 07-13-2010, 01:37 PM   #7
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The question is: will you be gearing it in the future? If so, go for the 33s. If not, be prepared to smell burning clutch sometimes. I ran a lot of trails when I was on 32s that people with 35s had problems on. A lot depends on experience and driving ability. Then, I ran trails on 35s that people said 37s were a minimum. Then 37s while everyone else was on 39-40s.

The choice is yours.
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Old 07-13-2010, 03:06 PM   #8
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Yea I will re-gear eventually but it will be a while, just another thing added to my mile long list


Decisions...decisions....this one is going to take some thought. Is 3.25" enough to safely clear fenders with 33's while wheelin?
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Old 07-13-2010, 06:53 PM   #9
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With proper bumpstops, you bet. Do it and enjoy.

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