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Old 04-16-2013, 05:10 PM   #1
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Backspacing help since I suck at math

So here is the deal. I have 2013 Unlimited Rubicon which has a 3 1/2 inch lift. I will be purchasing a set of AEV Savegre Wheels in Argent. Now from what ive read I need a wheel with 4.5 inch backspacing to not run spacers. however the AEV specs say 5.2" backspacing with a +10mm offset. Im wanting to run a 315/70/17 KM2 or GY MTR's but I prefer to leave the spacers off. Is this possible to do and not encounter rubbing while offroad and retain full steer?

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Old 04-16-2013, 06:09 PM   #2
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Quote:
Originally Posted by twarner776 View Post
So here is the deal. I have 2013 Unlimited Rubicon which has a 3 1/2 inch lift. I will be purchasing a set of AEV Savegre Wheels in Argent. Now from what ive read I need a wheel with 4.5 inch backspacing to not run spacers. however the AEV specs say 5.2" backspacing with a +10mm offset. Im wanting to run a 315/70/17 KM2 or GY MTR's but I prefer to leave the spacers off. Is this possible to do and not encounter rubbing while offroad and retain full steer?
And a note, using the math in the largest tire on a JK thread

Take offset, divide by 25.4, then add the overall rim width (rim width +1) divided by 2

so 10/25.4 + 8.5 +1 / 2 = 4.94 So this should be the back spacing.
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