Wheels & Tires Semi-Tech General discussion of wheels and tires for the Ford Ranger.

getting 33x12.50 tires, backspacing?

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Old May 1, 2012
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06FordFX4's Avatar
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getting 33x12.50 tires, backspacing?

alright, so ive got the plastic flares on my 06, and im upgrading to 33x12.50 tires soon, grabbing up some cheap pro comp steelies, sized 15x8

now, what backspacing do i need to not rub, and to not stick out past the plastic flares. want it to be as flush as possible.

would the 3.75" backspacing be what i want?

p.s. i will be having a 3" body lift on as well
 

Last edited by 06FordFX4; May 1, 2012 at 07:56 PM.
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Old May 1, 2012
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Stock backspacing is 4.5" so keep it close to that.
 
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Old May 1, 2012
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3.5 is perfect for that size tire. 3.75 should be good as well.
 
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Old May 1, 2012
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Ok thanks.
 
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Old May 1, 2012
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Ever think about lifting any?
 
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Old May 1, 2012
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3" body lift will be installed as well.
shoulda put that in the first post i guess!
 
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Old May 1, 2012
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Keep us updated.

Even if it rubs a little bit, you might be able to trim the plastic slightly.
 
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Old May 1, 2012
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Originally Posted by Taylor
Keep us updated.

Even if it rubs a little bit, you might be able to trim the plastic slightly.
swaybars aren't made of plastic. the higher the backspacing, the greater the chance of it rubbing on the swaybar or the frame.
 
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Old May 1, 2012
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I have 15x8 with 3.5 backspacing and my tires are roughly flush with the flares.. 0 rub
 
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Old May 1, 2012
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Originally Posted by 99offroadrngr
swaybars aren't made of plastic. the higher the backspacing, the greater the chance of it rubbing on the swaybar or the frame.
Will it really rub on the frame? I have heard (once in a blue moon) about the tires hitting the sway bar.
 
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Old May 1, 2012
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if you have a deep enough backspacing. backspacing is basically the distance from the face of the hub to the inside edg of the wheel. so higher it is further back it'll sit in the wheel well.
 
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Old May 1, 2012
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so looks like i want 3.5" or 3.75" then.
 
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Old May 1, 2012
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Yes.
 
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Old May 1, 2012
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Originally Posted by Taylor
Will it really rub on the frame? I have heard (once in a blue moon) about the tires hitting the sway bar.
My tires rubbed on my frame at full lock. But I didn't do anything about it and didn't really care either.
 
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Old May 1, 2012
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i run 4" BS on my 33's and they dont rub. guess its the look your goin for. i couldnt pass up 4 new rims for 350 tax in.
 
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Old May 1, 2012
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just a thought with a 16 you could use 285/75-16's they work out to be 33/10.50-16 with stock rims. but hay if the tires are cheep go with the back space.
 
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Old May 1, 2012
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Originally Posted by Old dude
just a thought with a 16 you could use 285/75-16's they work out to be 33/10.50-16 with stock rims. but hay if the tires are cheep go with the back space.
yeah i dont like skinny tires. or 16's lol
 
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Old May 2, 2012
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06, level II, locker, 2" lift, 285/75-16 (thin little tire) no rubbining, no frame contact, full turn to turn, 11 ' body with 9.75 tread stock, rim no extra preload on bearings, 15/12.50-15's 12.5" body 10.8 tread total tread surface gain 1" per tire 4" total really is it worth it?
 
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Old May 2, 2012
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285 is not a "skinny" tire.
 
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Old May 2, 2012
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265/75/16 is a 33x10.50 285/75/16 is a 12.50
 
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Old May 2, 2012
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Originally Posted by SteelDirigible
285 is not a "skinny" tire.
x2!

 
Attached Thumbnails getting 33x12.50 tires, backspacing?-40c1b6c5.jpg  
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Old May 2, 2012
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Originally Posted by brinker88
265/75/16 is a 33x10.50 285/75/16 is a 12.50
265/75 definitely isn't a 33" tall. width wise, i think you're right though.

these are 265/75/16 with a 3" bl
 
Attached Thumbnails getting 33x12.50 tires, backspacing?-img_0306-1.jpg  
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Old May 2, 2012
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Yes it should be closer to a 32 or maybe even smaller.
 
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Old May 2, 2012
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31.5 for a 265/75/16 and 32.8 for a 285/75/16
 
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Old May 2, 2012
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Yeah never mind this.
Food someone selling some
Basically bran new KM2's
33x10.50
4 of em for $600

They have 5000 miles on em
This way I can use my sexy Alcoas
 
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