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Old 08-14-2011, 04:32 AM
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33 12.5 15s for a tj

I have a 3 inch lift on a 2000 tj currenty doing reduction gears to 4:11 and im looking to put 33 12.5 mtz on off set rims but have heard that by doing this I will start breaking things on my jeep as they are to big for off road stuff. Can anyone please give me some feed back on this as I really want 33s.

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Old 08-14-2011, 06:10 AM   #2
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With the understanding that I am re-posting what I have read on the Forum here---The 3" lift would probably be enough to "fit" 33s for the street--with the correct back spacing on your wheels. Generally speaking you will rub if you don't change your wheels.

Have also been told/or was suggested that with a manual and 33s it should be 4.56 gears? But don't know from my experience.

If you are going to "off - road" with this set up you will rub if you don't get another inch or so of clearance.

As for breaking things--hopefully you have the dana 44 rear end. Otherwise SUPPOSEDLY you will end up breaking the rear end. However some people claim/say it has to do with the use of the skinny pedal on the right----I would also think or question that if it is a manual tranny that clutch use would be harder/reduce clutch life. However regear should help to "save" the clutch and maybe the rear end. Perhaps if doing regear would be a good time to upgrade to stronger shafts etc?

Don't forget to have speedo gear changed at the time it is regeared to your new tires. Would think that shop would include that but would make sure it is discussed/included. You can do it yourself--but if paying for all the other work why not have them do it as well?

Good luck!!

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Old 08-14-2011, 10:02 AM   #3
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Which engine and transmission do you have?
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Old 08-15-2011, 04:54 AM
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Thanks jp. Running the 4.0L with the 5speed man not sure of the rear end.
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Old 08-15-2011, 09:48 AM   #5
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Okay I have the 4.0L, 5 speed, and 33x12.50x15 tires. I regeared to 4.56 and it is awesome. I would be severely disappointed if I had regeared to 4.11. However, unless you have the Dana 44 in the rear, it might be cheaper to find a D30 and D35 axle out of a 4cyl TJ that is already geared to 4.11. That would be cheaper I imagine but I definitely wouldn't do it if you have a D44 rear end.
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