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Unread 12-16-2011, 12:43 AM   #1
Restruction
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2000 WJ 
 
Join Date: Jan 2011
Location: Brookfield, Connecticut
Posts: 161
Lift Question Im a noob

Hi,

I recently got a 89 Cherokee Pioneer and I want to put new tires on but i have to lift it first but the problem is that I don't know how much of a lift I would need to fit the tire size I would like. Which are either :

31X10.50R15LT (Cooper STT's)

32X11.50R15LT (Cooper STT's)

33X12.50R15LT (Cooper STT's)

31X10.5R15 (Goodyear Wrangler MT/R K)

32X11.5R15 (Goodyear Wrangler MT/R K)

33X12.5R15 (Goodyear Wrangler MT/R K)

31X10.50R15LT (Toyo Open Country M/T)

33X10.50R15LT (Toyo Open Country M/T)

33x12.50R15LT (Toyo Open Country M/T)


What would I need to fit a 32" or a 33" tire? What the the pros and cons of the inch difference? What kind of wheels and backspacing would I need? I'm only looking for a Mud Terrain tire as this is my weekend warrior rig and not my DD so Mud Terrain all the way.

Would I have to regear for a 33" tire? What kind lift is needed for the tire sizes above? What tire you suggest? In a 32" or a 33" Mud Terrain?

I am willing to trim anything if needed to fit the size tires I want.

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Unread 12-16-2011, 07:38 AM   #2
Brg0012
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1983 CJ7 
 
Join Date: Oct 2009
Location: Chattanooga,TN
Posts: 506
31s- You can fit 31s stock if you trim enough but ideally you want 2 inch with trimming or 3 inch with no trimming
32-33ss- 3 inch with trimming or 4.5 with out trimming.

Of course you can always do more trimming and have less lift. There is a build on here of a guy who made 35s fit on a stock xj. Also I believe heavy metal made 33s fit on a stock xj or a very small lift. Do some research before you decide what you want to do. I am assuming you have an auto trans with a 4.0 if you have an auto you have 3.55 gears and if you have a 5 speed you have 3.07 gears. If you have a 2.5 liter you will have 4.10 gears .31s will be fine on stock gears but if you are going to go bigger I would think about re gearing to 4.10s or 4.56 gears.
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Unread 12-16-2011, 08:28 AM   #3
theshaolin
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1996 XJ Cherokee 
 
Join Date: Aug 2011
Location: Brookfield, Wisconsin
Posts: 393
Go with 31's and a budget boost 2" lift. Cheap, don't need a regear, looks good, will perform okay.
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Unread 12-16-2011, 06:59 PM   #4
Restruction
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2000 WJ 
 
Join Date: Jan 2011
Location: Brookfield, Connecticut
Posts: 161
I have a 5 speed cherokee with the renix motor. If I went with 32" or 33" I'd have to regear? What would I need to do if I got a 3.5" -4.5" lift? 31's are fine for me but I like the wide tires so that they stick out. I want to put TJ fender flares on my XJ would that effect my tire size pick? My friends tell me to get the TJ flares first then lift and tires is this correct?
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