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Old 05-16-2009, 12:11 PM   #1
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new wheels but what size

I'm having difficulty grasping the whole backspacing topic. I've seen the links with diagrams and am trying to make sense of it all. I have some 31x11.5's and plan on purchasing new pro comp black steel rock crawlers. Performance4trucks has the wheels available in the right size, 15x10, but also in three different backspace settings, 2.5", 3.75", & 4.25". I dont want these to rub or stick out over the flares too much. what size should i be looking at? the deeper the back space the further the tire is situated under the wheel housing, right? so too much backspacing would lead to rubbing? Is that that right and what are your recomendations. Man I feel so incompetent. Thanks!

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Old 05-16-2009, 12:23 PM   #2
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I would do 15x8's. That way when you do wheel it the tire bead has less of a chance of coming unseated. Then run 4.25 of backspacing. It will not rub, Wait till jerry gets in here to make any final decesions.

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Old 05-16-2009, 12:39 PM   #3
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lol. ya i was kinda waiting for him to say something. I looked to see if he was online earlier. Now isn't it that you want wheels that are no more than 2" smaller than your tire width? I guess that's why i was lookings at 15x10's
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Old 05-16-2009, 12:44 PM   #4
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I know most guys well all that wheel put the biggest tires on the smallest wheels. I will be running 12.5's on 15x8's. It will also protect the rims edge from rashing on the rocks and trees.
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Old 05-16-2009, 12:45 PM   #5
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although 15x8's would save me $80. hate being on a tight budget!
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Old 05-16-2009, 12:48 PM   #6
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Do 15x8's no questions asked. I know Jerry runs 15x8 or 16x8's.
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Old 05-16-2009, 12:54 PM   #7
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what size tires does he run again?
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Old 05-16-2009, 12:57 PM   #8
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I think 35x12.50x15 on 15x8's.
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Old 05-16-2009, 01:16 PM   #9
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oh wow, yea then i think 8's would definitely work if im goin with 31x11'5's
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Old 05-16-2009, 01:19 PM   #10
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thanks for the input jd! what about backspacing?
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Old 05-16-2009, 01:45 PM   #11
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I am going 33x12.5x15's on 15x8 with 4.25" of backspacing for no rubbing.
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Old 05-16-2009, 01:52 PM   #12
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nice, then that's what i'll look toward doing, do you have a BB or BL?
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Old 05-16-2009, 02:02 PM   #13
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I have a 4in short arm lift. I will get my bl 1.25" when i do the tummy tuck and sye
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Old 05-16-2009, 09:44 PM   #14
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Any other comments before i throw down the money this evening?
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Old 05-16-2009, 10:02 PM   #15
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nope I would say go for it. I am going black steelies for 46 bucks a pop tho!
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Old 05-16-2009, 10:15 PM   #16
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What! Where?
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Old 05-16-2009, 10:17 PM   #17
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I was just about to put in my order with performance4trucks where are you getting yours? online?

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