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#1
11-09-2006, 10:26 PM
Hummer Veteran
Join Date: Oct 2005
Location: Philadelphia, PA
Posts: 231
35" Cooper Discoverer STT Installed
I put them on the other day and they look awsome, pictures to follow soon (when I finally put on the RRO rock rail super sliders). The bigger tires make the truck, can't wait to get them offroad. Some things I have noticed since putting them on...Only minor rubbing when steering wheel is fully turned to the left. The only major thing I have noticed is a huge decrease in MPG. From reading all the posts on 35" tires I was prepared to lose some MPG but I think that what I'm getting now is alot less than before. I'm still trying to get an accurate MPG figure as this is only the first tank on the Coopers. I have been keeping the jack rabbit starts of the line to a minimum and speeds under 65mph. All in all I am very happy with the tires and I didn't buy the H3 for its fuel economy anyway. What pressure should the 35's be inflated to for highway driving? Offroad I was told I could probably go down to 12-15psi with no probs. Any suggetions?
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The Goat
#2
11-09-2006, 10:32 PM
Hummer Veteran
Join Date: Nov 2006
Location: lat 42 3340 long 82 49.95
Posts: 216
Re: 35" Cooper Discoverer STT Installed
I have 35x12.5 ProComp XTerrains, dealership put them at 40psi. are you running 16" wheels?
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#5
11-10-2006, 12:49 AM
Hummer Guru
Join Date: Jul 2005
Posts: 4,123
Re: 35" Cooper Discoverer STT Installed
Oh yeah, and I run the Toyos at ~40psi. Higher than that and they start crowning. But some are running other brands as high as 50psi.
Also, remember that your speedo/odo is going to be off with the bigger tires so the hit in mpg may not be as bad as you think. Mine dropped about 1-3mpg depending on the type of driving.
#6
11-10-2006, 06:23 AM
Hummer Professional
Join Date: Feb 2006
Location: Out in the windy oil field
Posts: 358
Re: 35" Cooper Discoverer STT Installed
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H3 / Superior Blue / Black Leather / Lux / Off-road / Sunroof / Tow-package / OEM rock rails / Aries Brushguard and Nerf bars (modified) / Husky mud flaps / 2.5 turns / Rino GPS dashmount
#7
11-10-2006, 10:42 PM
Hummer Veteran
Join Date: Nov 2006
Location: lat 42 3340 long 82 49.95
Posts: 216
Re: 35" Cooper Discoverer STT Installed
not sure how low i would want to go on the psi, with the 16x8 wheel there's alot of bowing in the tire already at 40psi
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It's easier to get forgivness than permission
#8
11-12-2006, 05:00 AM
Hummer Veteran
Join Date: Oct 2005
Location: Manassas, VA
Posts: 140
Re: 35" Cooper Discoverer STT Installed
#9
11-12-2006, 05:07 AM
Hummer Guru
Join Date: Mar 2005
Posts: 3,356
Re: 35" Cooper Discoverer STT Installed
sweet, lets see the pics
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