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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 07-21-2010, 02:23 AM
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Default Re: 37x13.5's on factory 17's?

Can you get 13.5s on a leveled truck...or does it need to be lifted?
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Old 07-21-2010, 09:35 PM
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Default Re: 37x13.5's on factory 17's?

It is lifted about 3 1/2 " I put the "green" keys up front and 2" spring spacers in back with Skyjacker shocks all around.
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Old 07-21-2010, 09:59 PM
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Default Re: 37x13.5's on factory 17's?

Quote:
Originally Posted by tsdrummerboy
It is lifted about 3 1/2 " I put the "green" keys up front and 2" spring spacers in back with Skyjacker shocks all around.

How's the wear on those Toyos? My stock BFG ATs got about 62,000 (with tread left)...but the BFG MTs that I replaced them with are nearly wore half way down with only 14,000 on them. I was planning on going back to AT before winter, but really like the more aggressive look of MT tires.
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Old 07-22-2010, 04:05 AM
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Default Re: 37x13.5's on factory 17's?

I'm pretty torn still, the tires look good on the factory rims but I've really grown attached to the look of my wider, offset wheels. I'm having a bunch of work done tomorrow so I'll make sure to post a picture once I get the truck leveled out. I'd love to have a set of hutchinson beadlocks wheels on there but I know I could never afford them :P
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Last edited by seventwozero : 07-22-2010 at 04:11 AM.
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Old 07-23-2010, 08:59 AM
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Default Re: 37x13.5's on factory 17's?

Ya tsdrummerboy,

How is the wear on those? Also, what mileage difference did you notice when you went up the 2 inches in tire size?

Are you running a chip or power pack kit or anything?

And lastly - Great looking rig!!!
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Old 07-23-2010, 01:20 PM
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Default Re: 37x13.5's on factory 17's?

My mileage dropped from 11.8 to 10.2 when I went up to 37s, but then I slapped on a Flowmaster exhaust and changed the gears to 4.56s; that put me right back at 11.6. Oh, and I'm running the "performance" tune from a Superchips Cortex.
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Old 07-24-2010, 07:26 AM
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Default Re: 37x13.5's on factory 17's?

What does the chip and exhaust cost?
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