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Old 04-28-2010, 08:40 PM   #1
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Back spacing Concerns

Guys, I'am planing to install a 2" Old Man EMU lift Kit on a 97 Jeep 2.5 4 cyl. Wrangler as far as wheels and tires = Cragar 15x8 Soft 8 blk wth 31"x 10.5, will I have any back spacing issues or any rubing problems at all ?

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Old 04-28-2010, 09:30 PM   #2
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You haven't told us what back-spacing you ordered! That's the important part for this question... If you're in the 4.5" and under range you will have zero problems... On 31's you could actually go higher than that and be fine also.

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Old 04-28-2010, 11:10 PM   #3
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oh ok well this is new to me so can u explain, what I should be asking for as far as back spacing?
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Old 04-28-2010, 11:22 PM   #4
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If it has a 4.5" backspacing measurment or numerically lower, you are fine.
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Old 04-28-2010, 11:23 PM   #5
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3.75"-4" seems to be most popular in this crowd
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Old 04-28-2010, 11:25 PM   #6
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thanks for the info
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Old 04-28-2010, 11:49 PM   #7
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the lower the backspace, the wider of a tire you can fit. but, this also pushes the wheels out the lower you go.

try to think toward the future. are 31's the biggest you'll ever go? if the answer is no...go around 4". that'll get you in the neighborhood of a 12.5" wide tire, a very popular width. that's the widest tire i'd personally run on a 8" wide rim, so you'd basically max out your 15x8 4" BS rims with a 35/12.5/15 tire.

it's just covering your a** for the future when you start to think a 31" tire is dinky, you wont need to buy spacers or different rims. buy stuff one time
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Old 04-29-2010, 07:12 AM   #8
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Largest backspace I found in a 15x8 5 on 4.5 soft 8 was 4". It'll fit fine, push your wheels/tires out roughly 1.5"....
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Old 04-29-2010, 09:33 AM   #9
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Agree 100% with InfernoGirl. I checked out Soft 8 backspacing once before in regard to another thread and found 4" was the most BS listed on the Cragar website...at least at that time.
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Old 04-30-2010, 10:42 PM   #10
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great guys, thanks for the info
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Old 05-01-2010, 07:48 AM   #11
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I put 33x10.5 BFG AT"s on 15x8 soft eights with 4.75 inches of back space , they look great dont rub and let me keep the stock flares . Got them from Summit Racing
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Old 05-03-2010, 11:43 PM   #12
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No less than 4.5". You can fit 31-10.50-15 on stock rims (15x8, 5.25-5.5" backspacing) without rubbing. Tires that stick out for no good reason make the whole Jeep upgrade look really poorly executed.
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Old 05-04-2010, 07:18 AM   #13
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No less than 4.5". You can fit 31-10.50-15 on stock rims (15x8, 5.25-5.5" backspacing) without rubbing. Tires that stick out for no good reason make the whole Jeep upgrade look really poorly executed.
Unless you happen to be a fan of the wider stance. Best part about Jeeps is that everyone can make his/her own how they like....

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