oruna1, do you have the torsion bars cranked, or is that the stock suspention settings?

 

Size does affect the speedo slightly. 285's are standard on Adventure series H3's. 265's on other models. 315's look killer, but if your gonna go off road and you really want to make sure your suspension has the ability to fully articulate, stick with the 285's or 265's. 315's will only bind or rub if your stretching the legs out on your truck ( mud, rock, ect.). Leveling the front for street use is perfectly fine when adding the larger shoes. Of course, you could alway run 315's on the street and put your smaller tires on spare rims for off road play.

Most guys on the forum agree that adjusting the torsion bars properly can lift your nose an inch or two more with no side effects. Longer shocks are always recommended, as is an alignment after the work is done.

 

Sorry for the late response, I was on the road. I cranked the torsion bars just enough to get off the bump stops. Center of wheel to bottom of fender flare is 23 1/4". It would run just fine without the torsion bar crank up. Slight rubbing when turned hard over on the stop. No big deal at all. So far I'm very happy with the tires. Over the next 3 weeks they get the big test. Approx 5500 miles of driving from NY to AZ/UT/CO and back with off road trips in AZ/UT/CO. I'll report when I get back.

 

Sweet!!! Very nice h3!!!
What gears do you have?
Im thinking on getting that exaclty size tire, will i need to change the gears? Im not sure what size do i have... its a h3 2006 luxury....

 

i compltetely overhauled my suspension and now have a rancho suspension set with 3 inches of lift 20" wheels and 325(37") duratracs and in answer to whoevers question that was you need at least 2 inches lift to run 37 inch tires

 

oh and you'll need 9" wide wheels to run 325's

 

I've run 325/50-22 Terra Grapplers on my H3. Just 2 full turns on the torsion bars and no problems. This is a HUGE tire in both width and height, so I don't understand why everyone seems so scared and apprehensive about this talk of 305's and 315's. Maybe it's because you're using the stock rims with such a high offset? These were +20, which I guess would put my tires a little less than 3/4" outward (the center of the wheel) but keep in mind too that these were 9.5 wide which would eat up some of that offset since it's a wider rim. Anyway, 325/50-22's fit with +20 offset rims @9.5" rim width. For what it's worth, hope this helps!

https://www.hummerforums.com/forum/s...ead.php?t=4601

http://img45.imageshack.us/img45/796...mmer007iz9.jpg

 

What about the the 295/75 R16? Leveling the front? Any problem with that size like the 315?

 

federicoiz You keep asking tire questions in threads that are years old.
A lot of these people are long gone.
Check thread dates before posting.

 

X2, start a new thread and reference the old thread.