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Will 285/75/R16 Fit under my KJ
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Author:  LibertyFever [ Sun Oct 20, 2013 6:28 pm ]
Post subject:  Will 285/75/R16 Fit under my KJ
I tried using the forum's Search function but couldn't find an answer.

I presently have Procomp 245/75/R16 AT's under my 04 Liberty Sport, a gasser with a 2.4" spacer lift. The tires have performed well on & off road but are due for replacement.

I'm looking at BF Goodrich 285/75/R16's. My calculations say my Procomp's should be about 30.5" tall and the BF Goodrich's should be 32.8" tall. I know in reality tires are seldom as tall as the calculations say they are.

Does anybody else run 285/75/R16's under a 2.5" lift?


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Author:  tommudd [ Sun Oct 20, 2013 8:04 pm ]
Post subject:  Re: Will 285/75/R16 Fit under my KJ
6 inch lift will be needed
no way under a 2.5 inch, heck I wouldn't even try it and I run over 4 inches
PLUS then you're into regearing to gain back any power and mileage at all
Author:  LibertyFever [ Mon Oct 21, 2013 8:31 am ]
Post subject:  Re: Will 285/75/R16 Fit under my KJ
tommudd wrote:
6 inch lift will be needed
no way under a 2.5 inch, heck I wouldn't even try it and I run over 4 inches
PLUS then you're into regearing to gain back any power and mileage at all

Really? I thought once I pounded the pinch welds down that you could run up to 32" tall tire under a 2.5" lift.

I hadn't considered regearing the axles. Regearing the rear axle would be pretty straightforward but accessing the front carrier would be a big chore.
Maybe I better stay with my 245/75/R16 AT's because I already have the PCM programmed for this tire size.
Author:  tjkj2002 [ Tue Oct 22, 2013 3:41 pm ]
Post subject:  Re: Will 285/75/R16 Fit under my KJ
285/75R16's are a 33" tire(32.8"),265/75R16's are a 32" tire(31.9"),and 245/75R16's are a 31" tire(30.5").


And no way your going to run a 32" tire under a 2.5" lift unless you never turn,ever,even with major cutting.245/75's barely work under a 2.5" lift without mods to the body.
Author:  Tony P. [ Tue Oct 22, 2013 4:06 pm ]
Post subject:  Re: Will 285/75/R16 Fit under my KJ
I run 265-75-16 BFG mud terrain KM2 on Moabs, 2.5 lift, pounded the pinch weld, and trimmed. It still rubs, however it's functional.

I have only driven it on road, I'm sure when I get into full flex situations ill probably tear out the fender flares.

Can you make 285 fit? Not sure, I think that 265 is max.
Functionality? Questionable.
Author:  tjkj2002 [ Tue Oct 22, 2013 5:55 pm ]
Post subject:  Re: Will 285/75/R16 Fit under my KJ
Tony P. wrote:
I run 265-75-16 BFG mud terrain KM2 on Moabs, 2.5 lift, pounded the pinch weld, and trimmed. It still rubs, however it's functional.

I have only driven it on road, I'm sure when I get into full flex situations ill probably tear out the fender flares.

Can you make 285 fit? Not sure, I think that 265 is max.
Functionality? Questionable.

I tore off the rear flares with 265/75's with 3.75" of lift,took a lot of special trimming to make the 265/75's work and keep the flares on.
Author:  tommudd [ Tue Oct 22, 2013 10:43 pm ]
Post subject:  Re: Will 285/75/R16 Fit under my KJ
Yep over 4 inches of lift on mine
265-75-16s on Moabs and have to run 3 inches of bumpstops due to the dang 8 inch wide Moabs and still can loosen the rear flares when flexed. So if you only want run down a straight/flat highway you may " get by " but................................ :roll:
Author:  Fertana13 [ Fri Oct 25, 2013 5:20 pm ]
Post subject:  Re: Will 285/75/R16 Fit under my KJ
I have a friend who actually have it and the axles are stock also he told me that runs good and he off-road 3 to 5 times per month sometimes more and in hills so you can make it work....ohh he have 5" liftImageImageImage


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