37x12.5x17 on stock rims
 

I know this has been asked, but the answers always left some doubt as to the setup so I'd like to get this clarified before I buy.

I have a 2003 H2 with original rims.

I'd like to install 37x12.5x17 BFG MT's.

Because I have to special order these tires in (PRE-paid), and then bring my rims in separately because no one is willing to install them on my truck due to perceived liability, I'd really like to make sure that I'm making an informed purchase.

I have the original 17" rims and no lift kit, etc... Will 37's fit on my truck? I've read some posts that stated some extra 'work' was required to get larger tires to fit.

Any input would be greatly appriciated.

My biggest fear would be to get these tires in and then discover that they don't fit.

My current plan was to purchase 1 tire and install it on my spare rim to test for fit. Worst case is that I would be stuck with only 1 tire if it didn't fit.

Kelly

Kelly

Re: 37x12.5x17 on stock rims
 

37's should fit just fine if you crank the keys a bit.

Re: 37x12.5x17 on stock rims
 

Thanks for the quick response!

Can you describe what 'crank the keys' means?

Kelly

Re: 37x12.5x17 on stock rims
 

Doing some research now... Seems fairly simple to adjust the torsion bars.

Kelly

Re: 37x12.5x17 on stock rims
 

Stock keys adjust about an extra 0.5" to 1", depending on how they were set up from the factory. You could always get aftermarket keys if you want to go a bit higher. To adjust the keys, unload the front suspension and turn the bolts holding the keys up (about in the center of the car, where the torsion bars end). 37's should clear with minor rubbing on the frame and a-arms, but just very minor rubbing at full steering lock. Shouldn't cause much problems. There are also spacers available for the rear springs if you want to raise the back of the Hummer. If you want to mount the tires, bring them to a truck shop. That's where I had mine installed. They mainly do tires for big semi-trailers and other heavy machinery. They have big balancing machines and should be able to properly balance the tires. Good luck with your tires. Cheers, Indy.

Re: 37x12.5x17 on stock rims
 

Thanks. I feel much more confidant now after doing more research!

I'll place the order next week and then post the results.

Kelly

Re: 37x12.5x17 on stock rims
 

You will not need to crank the keys with those specific tires. They will fit just fine. If you go with a wider tire then you will need to crank them.

Get Dyna Beads Search for them on google. put those in the tires and you will never have to balance the tires.

Re: 37x12.5x17 on stock rims
 

Searching now for Dyna Beads... :)

Re: 37x12.5x17 on stock rims
 

I have the same tires on my '03...fit just fine. No crankin' or nuthin! :)

Re: 37x12.5x17 on stock rims
 

Strange cause I have Goodyear MTR (Kevlar) 37x12.5x17 WITH aftermarker cranked keys (2" lift in front) and I still rub the swaybar at steering wheel lock. My bars are pretty shiny from getting rubbed by these big rubber erasers...

Love the look and performance though, so worth the trouble :cool:

Re: 37x12.5x17 on stock rims
 

do those really work? never seen those before. is balancing still required? or recommended?

Re: 37x12.5x17 on stock rims
 

Looking for my third set of 37 for my truck. The only thing I had to do to get these to work was install them. NOTHING is required. No rubbing no nothing. Never tweaked the torsion bars. At least on my '04 that's been offroaded all over the country including the infamous Rubicon.

Re: 37x12.5x17 on stock rims
 

Does anyone have any pictures of these tires mounted on the stock rims while mounted on the truck?

Re: 37x12.5x17 on stock rims
 

Re: 37x12.5x17 on stock rims
 

very informative thread. I'm still relatively new to the hummer world and have researched quite a bit but just assumed 35's were stock. I can't believe how much better the 37's make the truck look in the pics above-fills the gap!

My stockers rub a tiny bit on the sway bar but its nothing major-I've read that can happen. My first set of tires for this thing will definitely be 37's-as long as I can still fit the thing in the garage lol.

Thanks again for the info everyone!:clapping:

Re: 37x12.5x17 on stock rims
 

are those chrome wheels i see? i thought chrome wont get you home?:clapping:

Re: 37x12.5x17 on stock rims
 

LOL!

Yes, they WERE...and have since been DELETED.

Re: 37x12.5x17 on stock rims
 

Lol. Got any pics of them on the truck?

Re: 37x12.5x17 on stock rims
 

What?! You don't believe me? :)



I even put little RSs on the ATV

Re: 37x12.5x17 on stock rims
 

looks good. you need some for that trailer now.

Re: 37x12.5x17 on stock rims
 

Thanks.

Yeah...almost pulled the trigger on that when I did the spring over conversion, but just had them painted black for the time being.

Re: 37x12.5x17 on stock rims
 

37's should have been on the H2 from the factory. They would only have needed to mod the frame a little bit to make them work without any rubbing on full lock....the stock size is just a bit too small for the big dimensions of the H2.

Re: 37x12.5x17 on stock rims
 

I had a feeling guruerror would have a pic

:excited:

Definitely the way to go
I know when I finally get ready for new tires on mine, I will be doing the 37s

I am curious if a small spacer would eliminate the rubbing (if you have that) on full lock

Re: 37x12.5x17 on stock rims
 

I had a slight rub at full lock with the stock rims. A small spacer would more than likely eliminate the rub. I have no rub at all with my RSs...but the back spacing is an inch less, so there's less wheel under the truck.

Re: 37x12.5x17 on stock rims
 

Yeah I am not a fan of big spacers or generic spacers.
BUT I do think that if you want to get the look without reworking the wheels (stock or otherwise), then it is ok.
Given I am not saying you are saying to do it, I wouldnt put a 1 inch spacer on my wheels.

With that said, truck is bad ass........................ as usual :D

Re: 37x12.5x17 on stock rims
 

Ok, what's hanging off your spare in this pic? It's just far enough away to see but not know... and now I must know! :D

I noticed in a previous front/driver-side pic what looked like a bit of a bike tire peeking around the corner, so perhaps a spare-mounted bike rack? If so, which rack?

Thank you sir!

Re: 37x12.5x17 on stock rims
 

Yep...it's a bike rack. I started with a Hollywood SR1 spare tire rack that I picked up at the a local bike shop.


http://www.amazon.com/gp/product/B00...SIN=B000QJDFMK

The problem was that it would BARELY fit over a 37x12.5 and it wasn't tall enough for the bottom of the U to rest against the tire for support. It worked, but I was constantly worried about it, especially when carrying two bikes; and I never would have taken it out on the trail with a bike loaded up.

SO, I went to Home Depot and and hit the plumbing section up for some 3/4" pipe, couplers, and elbows and built my own 'TRAIL RATED' rack. I kept the square crossbar from the Hollywood rack because I liked the collapsible arms and rubber tie-downs. I simply mimicked the overall design of the Hollywood rack, but on a larger scale. It's designed to snug right on a 37x12.5...perfect...solid as rock.

Once I had it assembled I dropped it off a Rudy's Welding and Cold Beer (Middletown, MD) to have all the joints welded, the rack powder coated, and pick-up a six pack.

...and that's how that got done.



...and here's Rudy's...LOL...:beerchug:

Re: 37x12.5x17 on stock rims
 

What the heck. I thought we had some weird combo businesses in the south (ie. pool hall and chicken, or used tires and bbq)

But this wins in my opinion