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05-19-2006, 05:56 PM
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Hummer Veteran
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Join Date: May 2006
Location: Pacific Northwest
Posts: 88
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Tire Size
Just installed some 37" BFG All-Terrains... for giggles I put a measuring tape on them... the height actually measures 35" -- barely. How the heck do tire manufacturers calculate their measurements... I neved did check the actual tire size of my old 35"s. Just curious...
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May your glass be ever full.
May the roof over your head be always strong.
And may you be in heaven half an hour before the devil knows you're dead. ~ Irish Blessing
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05-19-2006, 07:02 PM
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Hummer Guru
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Join Date: Jan 2006
Location: Fairfax, VA
Posts: 2,061
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Re: Tire Size
Quote:
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Originally Posted by tbuckley
Just installed some 37" BFG All-Terrains... for giggles I put a measuring tape on them... the height actually measures 35" -- barely. How the heck do tire manufacturers calculate their measurements... I neved did check the actual tire size of my old 35"s. Just curious...
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Are you measuring the ones supporting the vehicle? If so, the bottom of the tire is deformed. |
05-19-2006, 07:35 PM
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Hummer Professional
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Join Date: Nov 2005
Location: N.H. SEACOAST
Posts: 289
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Re: Tire Size
I want to go with 37"s also but was told the fronts might rub? is this true?.....do you have any pictures?
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05-19-2006, 08:23 PM
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Hummer Guru
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Join Date: Jan 2006
Location: Fairfax, VA
Posts: 2,061
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Re: Tire Size
37"x13.5" Cooper STTs.
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05-19-2006, 10:15 PM
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Hummer Messiah
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Join Date: Apr 2003
Location: Virginia Beach
Posts: 37,474
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Re: Tire Size
They'll rub just a little as you can see in hawk's pic. Nothing to worry about.
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"My reading of history convinces me that most bad government results from too much government."---Thomas Jefferson
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05-20-2006, 05:00 AM
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Hummer Authority
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Join Date: Jan 2006
Location: Staind.com
Posts: 1,239
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Re: Tire Size
My 35's rubbed in that spot before I got the weld rims.
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05-20-2006, 02:46 PM
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Hummer Authority
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Join Date: Dec 2003
Location: New Braunfels/Canyon Lake, TX
Posts: 1,357
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Re: Tire Size
It depends on your alignment. When I first got my 37s on, no rub at all. A dealer alignment screwed it up tho.
Stacy
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2003 yellow Lux, 12" Bulletproof lift, 42" Pitbull Rockers, 20" Ultra Predators, Corsa sport exhaust, painted interior
2004 Cadillac Escalade, white diamond, dual tip chrome exhaust, 20" chrome 9-spoke rims, altezzas - TOTALLED!!!! Replaced with a nondescript 2009 Chevy Tahoe
1970 VW Karmann Ghia, black with a flame job and too many mods to list
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05-20-2006, 03:23 PM
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Hummer Professional
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Join Date: Nov 2005
Location: N.H. SEACOAST
Posts: 289
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Re: Tire Size
Can someone post a picture (full view) with 37s on there truck...
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05-20-2006, 04:03 PM
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Hummer Authority
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Join Date: Sep 2005
Location: Texas
Posts: 1,795
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Re: Tire Size
Your sway bar can slightly move from side to side as well  |
05-20-2006, 07:29 PM
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Hummer Expert
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Join Date: Oct 2005
Location: MARYLAND
Posts: 779
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Re: Tire Size
my 37x13.50 nittos rubbed than i cranked the torsion bars and used a heat gun to push the fender liner back a little and it hrdly touches at all now, i was told the torsion crank would cause premature wear on the steering components but fukk it
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05-21-2006, 03:27 AM
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Hummer Authority
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Join Date: Nov 2005
Location: Atlanta GA
Posts: 1,403
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Re: Tire Size
Quote:
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Originally Posted by Racer-X
My 35's rubbed in that spot before I got the weld rims.
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Mt stock tires rub there too.
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00 H1 opentop (HMCO) Red/Tan, 6.5 Turbo Diesel, CTIS, 37x12.50 Cooper STT's
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05-21-2006, 05:05 PM
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Hummer Authority
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Join Date: Dec 2003
Location: New Braunfels/Canyon Lake, TX
Posts: 1,357
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Re: Tire Size
Here ya go - no lift.
Stacy
__________________
2003 yellow Lux, 12" Bulletproof lift, 42" Pitbull Rockers, 20" Ultra Predators, Corsa sport exhaust, painted interior
2004 Cadillac Escalade, white diamond, dual tip chrome exhaust, 20" chrome 9-spoke rims, altezzas - TOTALLED!!!! Replaced with a nondescript 2009 Chevy Tahoe
1970 VW Karmann Ghia, black with a flame job and too many mods to list
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05-22-2006, 05:54 PM
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Hummer Veteran
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Join Date: May 2006
Location: Pacific Northwest
Posts: 88
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Re: Tire Size
Quote:
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Originally Posted by PhilD
Several factors will effect actual height, mainly; the weight of the vehicle, the tire pressure and rim width. Manufacturers will measure the tire without any load on it, sometimes at max psi and the height will be for a specific rim width. Add a load, lower the psi, and/or use a different rim width and your measured height will be different.
My 38's only measure 36.75" when on the vehicle.
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Phil -- THAT was the help I was looking for. I figured that pressure, load weight, rim size, etc. would account for various standing sizes. Appreciate your help. The rack and ladder look fantastic -- thanks! Rancho lift went on great... I'll submit pics ASAP.
__________________
May your glass be ever full.
May the roof over your head be always strong.
And may you be in heaven half an hour before the devil knows you're dead. ~ Irish Blessing
Last edited by tbuckley : 05-22-2006 at 06:01 PM.
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