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Go Back   Hummer Forums by Elcova > Hummer H2 Discussion Forums > Technical Discussion and Customizing your H2

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  #1  
Old 11-16-2011, 04:23 PM
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Default 17x10 wheel with at least 5" backspacing?

so im in the process of transorming my truck from an regular H2 to an Urban Assault Vehicle! doing the rancho lift. got new 20" wheels and ordereing 38" tires for the summer. Now, i need new wheels for the winter since the stock 17" wheels wont work with the Rancho kit. So, who makes a nice cheap 17x10 wheel with at least a 5" backspacing that i can run in the winter? id like to stay under 500 for a set. im thinking maybe an all black wheel would hold up the best as opposed to a polished or chrome. winters get kinda nasty here in Canton, and the road dept. goes a bit overboard on the salt spreading. so please help me find a good wheel.
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Old 11-16-2011, 04:37 PM
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Default Re: 17x10 wheel with at least 5" backspacing?

https://www.google.com/search?rlz=1C...92 0&bih=1139

17x10 is what's going to limit your search results. Easier to find 17x9 in our bolt pattern.
You could get 5 of these for under $500: http://www.4x4groupbuy.com/store/bla...s-p-10573.html

Specs:
Part#: 997798045
MATERIAL: Steel
WHEEL SIZE: 17x9 in.
FINISH: Matte
WHEEL HEIGHT: 17 in.
WHEEL WIDTH: 9 in.
BOLT PATTERN: 8X6.5 in.
OFFSET: -12 mm
MARKETING COLOR: Black
MAX LOAD (SINGLE): 3650 lb.
COLOR: Black
WEIGHT: 40 lb.
BACKSPACING: 4.5 in.
BORE DIAMETER: 5.15 mm

...and did Rancho tell you that you need 'at least' a 5" BS, or 'at most' a 5" BS? I would think less BS is what you need to keep the tires further out and away from the suspension components.
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Last edited by guruerror : 11-16-2011 at 04:48 PM.
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Old 11-16-2011, 05:38 PM
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Default Re: 17x10 wheel with at least 5" backspacing?

rancho said the kit was tested with a 17x10 with a 5" backspacing. anything more wont work. so i guess anything under a 5" should work. and i just picked 10" wide because thats what they went with. but if theres more options for a 9" wide, what would the backspacing have to be to still workwith the kit? 5"?
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Old 11-16-2011, 05:40 PM
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Default Re: 17x10 wheel with at least 5" backspacing?

thats perfect!i like that wheel there. will that 4.5" backspacing be enough with a 9" wide wheel to keep from rubbing?
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Old 11-16-2011, 05:58 PM
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Default Re: 17x10 wheel with at least 5" backspacing?

Quote:
Originally Posted by 2010_5thgen
thats perfect!i like that wheel there. will that 4.5" backspacing be enough with a 9" wide wheel to keep from rubbing?
4.5" backspacing is 4.5" backspacing regardless of the width of the rim...it means you've got 4.5" from the wheel mounting pad to the outside of the rim flange.

The reset of the wheel (in this case the other 4.5" goes out from the truck). If we were talking about a 10" rim with a 4.5" backspace you'd have 5.5" on the outside and your tires would stick out a bit further from your fenders.

Check this out:



EDIT: and, yeah, I like those rims too. If I'd have found them a little earlier that's what I'd have went with, but I already had my 18" tires in the garage waiting on my 18" ATX Mojave Teflons ...then they went out of production and couldn't be found anywhere. Unfortunately for me they don't make the Black Rocks in 18s; so it was Rockstars for me.
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Last edited by guruerror : 11-16-2011 at 06:08 PM.
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Old 11-16-2011, 06:09 PM
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Default Re: 17x10 wheel with at least 5" backspacing?

Ok. That's what i though. So the 17x9 with the 4.5" backspace will sit the same distance away as the 17x 10 with a 4.5 backspacing. Good to know. Well, i found my winter wheels. That was pretty easy. Lol
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Old 11-17-2011, 03:19 PM
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Default Re: 17x10 wheel with at least 5" backspacing?

To see a comparison, including warnings of possible suspension and fender clearance issues, you can use this site (which is awesome):

http://www.rimsntires.com/specs.jsp

On the left side, where you enter the stock sizes as a base for comparison, you would use the stock 315/70, 17" diameter, 8.5" wide, and 18mm offset/ET (which yields a stock backspacing of 5.5"). On the right side, enter the specs for your new wheel/tire setup. Sadly, the tool doesn't support "high flotation" tire sizes where you use inch measurements for tire diameter and width, but you can at least get a sense for how different wheel setups will look and whether or not they will have clearance issues. Obviously, on the H2, we don't have to worry much about fender clearance, but it's wise to check the suspension clearance.

Good luck, let us know how it goes!
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Old 11-17-2011, 03:33 PM
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Default Re: 17x10 wheel with at least 5" backspacing?

The above illustration is correct. And my info under another thread was partly wrong. The info I gave about backspacing measurement was correct. The info I gave about offset was incorrect. Offset is measured from the center of the wheel, so -44 moves the hub closer to the hub than -24. Sorry.
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