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post #1 of 4 Old 02-21-2020, 05:47 AM Thread Starter
Razman1968
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Backspacing question

Just want to get some input from those of you that have done this...

I just installed the MOPAR 2 inch lift on my '19 Wangler Unlimited and am going to upgrade to 35's on 17' rims.

To those of you that have done this, what backspacing did you use to not get rubbing in all the wrong places...

I just can't seem to find a straight answer for this specific application.

Thanks!

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post #2 of 4 Old 02-21-2020, 07:26 AM
LuthWJ77
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This can be a tricky depending on which lift, which tire, how the Jeep is used, etc but check out some other lift manufacturers websites like Clayton the common backspace I keep seeing is 4.5" which you'll probably want a 17x9 wheel for a 12.50 tire. I don't know stock wheel BS but it's probably at least an inch more and the wheel is 7.5" wide I think so this aftermarket wheel will stick out of your wheel well 2.5" more or so. With that said, I've seen some guys fit 37" on stock rubicon wheels without rubbing so you may try using stock wheels for a trial period and see what issues you run into and base your decision on that. I personally don't like the look of tires that stick way out not to mention it's harder on parts.
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post #3 of 4 Old 02-21-2020, 06:49 PM
JIMBOX
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The stock jeep wheel BS is generally between 5.5" and 6"--the stock wheel is TOO NARROW FOR 37" TIRES--

When you switch to aftermkt wheels try to stick to 4.5"/4.75"
BS--

Now that will make the tire stick out from 1" to 2: depending on the tire width, but if that really bothers you--keep the stock tires and don't do a lift--

Here's my 33" M&S on ProComp 16x8" wheels with 4.75" BS and NO LIFT !



Now if you have a RUBICON---everything changes !

Good luck

JIMBO

Firecracker Red 2dr RUBICON--2018
Stinger Yellow 2016 RAM/Hemi/8spd auto 4x4

--YA GOTTA HAVE CLASS--
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post #4 of 4 Old 02-23-2020, 11:06 PM
Prot
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There is a sticky on the JK section called will it rub. Granted, there are differences between a JK and a JL and on top of that, a JL Rubicon comes with highline fenders.

In a JK, a 17 x 9 wheel with 4.5 backspacing works fine with a 315/70-17 tire with appropriate lift. On a JK, you need 3” lift. I think on a JL, you don’t need as much lift.

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