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Anyone with a 4/6 drop and 20" wheels

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Old Apr 10, 2008 | 05:59 AM
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Default Anyone with a 4/6 drop and 20" wheels

1.The offset of my wheels are 14mm. what size tire can I run...Over the winter I will upgrade to 22's. But summer is comming and I want to get the 20's on for now.

2.Also how do I measure backspacing on the wheels???!!

Last edited by 1bad5.3; Apr 10, 2008 at 06:09 AM.
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Old Apr 10, 2008 | 09:03 AM
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What is the width of your wheel?

This site will help with measuring backspace/offset
https://www.rsracing.com/tech-wheel.html
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Old Apr 10, 2008 | 09:26 AM
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As far as tire size, i wouldnt go any larger than a 275/40/20. 275/45/20 will scrub.
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Old Apr 10, 2008 | 03:38 PM
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[QUOTE=02BlueStepside;3894683]What is the width of your wheel?

I am pretty sure it is 8.5 wide
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Old Apr 10, 2008 | 04:20 PM
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Originally Posted by xlcooplx
As far as tire size, i wouldnt go any larger than a 275/40/20. 275/45/20 will scrub.
so you think I will be okay with a 275/40/20? I was also thinking about a 255/45/20 but I do not know what to do!


If it helps I have these on my truck with a 285/50/20 with stock suspension. I wish I knew the back spacing and offset. I tried using the site suggested above and cannot figure it out
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Old Apr 10, 2008 | 04:23 PM
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Matt(xlcooplx) runs 275/40/20's with his rims and I'm 99% sure they are 14mm offset rims.
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Old Apr 10, 2008 | 05:29 PM
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Originally Posted by xlcooplx
As far as tire size, i wouldnt go any larger than a 275/40/20. 275/45/20 will scrub.
my 20's were 285/50 and they scrubbed on the sides at slow speeds, and when i turned, and that was at stock height.
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Old Apr 10, 2008 | 06:06 PM
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I have 275/40/20 with 5.5 backspacing on a 8.5 inch rim. I had to roll the passenger side rear inner fender a little bit. That's it.
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Old Apr 10, 2008 | 06:17 PM
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Originally Posted by RandomHero
Matt(xlcooplx) runs 275/40/20's with his rims and I'm 99% sure they are 14mm offset rims.
do you know if he had to roll the fenders or cut anything out?
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Old Apr 10, 2008 | 06:18 PM
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Originally Posted by sickREDsierra
my 20's were 285/50 and they scrubbed on the sides at slow speeds, and when i turned, and that was at stock height.
I have not had any problems like that.....
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