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Go Back   Hummer Forums by Elcova > Hummer H3 Discussion Forums > Technical Discussion and Customizing your H3

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  #1  
Old 12-21-2005, 12:41 AM
Humm3r Humm3r is offline
 
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I've seen quite a few of you on here with 35's. From what I'm gathering, 315/75/r16's ATs do NOT rub at full lock, but I also read that 35x12.5r18s MTs DO rub. After checking out tire dimensions (315/75/R16 MT vs. AT), it seems 35" MT's are about a 1/2" taller and wider than most AT's. I'm guessing we're limited to 35" All Terrains without modification. Correct me if I'm wrong.

Questions:

1. For those with 35's, what brands are fitting without rubbing? bbyhummer mentioned Mickey Thompsons and Pro Comp Xterrains, but I couldn't find true tire dimensions on these.
Nitto Terra Grappler AT's maybe?

2. The stock 33's kick up dirt all over the rear fender and side. Are the 315/75's 'much' worse? I'm more concerned with regular driving...off road, its something you have to expect.

3. Stock chrome rims are the same dimension, but the dealer swears they can't hold the same tire as adv. pkg wheel. Why, I don't know. Will 35's fit stock chrome wheel? 8" seems to be the minimum wheel width required for 35's, but I'm seeing 37s on stock rims It's confusing.

4. Power - Is there a noticeable difference in power? Sticking to a lighter stock rim, I'd imagine it wouldn't be too noticeable.

5. Torsion bars - How many turns, if any, do you recommend?

Kacyk answered a lot of these questions in a past thread, but he had MT's and a heavier 18" rim. I wanted to gather info on 35's on stock rim.

Thanks
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  #2  
Old 12-22-2005, 06:34 PM
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by timgco:
<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by BbyHmmr:
<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by The Green Lantern:
<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by timgco:
I am in the process of doing the same thing. The Rancho lift is coming off on Thursay and they are putting the 35/ 12.50 Procomp Extreme AT's on the stock rims. they told me that the 35's should be fine on the 7.5" rim. The tire manufacts. suggest 8". but we'll see. </div></BLOCKQUOTE>


I'm planning to put this on my stock rims - LT35 x 12.5 R16. </div></BLOCKQUOTE>
I don't think those will fit on the stock rim. I looked at those before I bought mine. </div></BLOCKQUOTE>

Isn't the 35 x 12.50 x 16 the same as 315 75R 16? </div></BLOCKQUOTE>
On paper they seem to be but for some reason once they are on the rim they are to wide and rub
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  #3  
Old 12-26-2005, 02:18 AM
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by hmrlvr:
Neocon, which wheels were you looking at? </div></BLOCKQUOTE> I really like these and wanted them in a 16 x 8 but they wont fit so was thinking 17x9
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  #4  
Old 12-24-2005, 05:50 AM
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when you bump the tire size it's pretty tough not to touch a tad here and there, especially if you twist the suspension up. with these the fonrt doesn't flex much so you avoid alot of contact.

I would expect to trim a bit here and there. remember every manufacturers tire is going to have a differnt actual size from the one listed, wheel width/air press etc can also affect the actual size and your backspacing/width will affect contact
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  #5  
Old 12-26-2005, 03:05 AM
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Those will look good on the green rig.
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  #6  
Old 12-24-2005, 10:33 PM
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OK tire guys you seem to know what your talking about. I'm thinking of going with a 17 or 18 inch wheel. I know the extra rubber is needed at the sidewall when airing down, but will the slightly larger wheels get f-ed up when offroad or will there still be enough rubber. Obviously, if I'm too hard on it, any wheel will be damaged but I'm just talking trailing, hill climbing, and nothing too crazy. Thanks for the input.
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  #7  
Old 12-26-2005, 03:45 AM
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thanks for crunchin those #'s i think i will go for it should give an agressive stance
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  #8  
Old 12-24-2005, 08:06 PM
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by HummerB:
timgco if they rub "a bit" that doesn't fit. sorry to sound like johnny cockrin with the ryhme. i mean i dont really like the idea of any rub on a brand new expensive tire. they look awesome but i dont want any damage. do you plan on adding wheel spacers to correct? i want to keep my wheels or atleast the size and add 35's but i would like to be comfortable with the clearance in the fender wheels. </div></BLOCKQUOTE>

LMAO at your avatar.

Ok,
Defenition of rubbing on my truck: It only touches on the dr sd sway bar at full lock and you cannot even feel it in the steering column/ wheel. It is so minor that it won't mess up your tire. The only reason I even mentioned it, was so that owners wanting to MT's on there with larger lugs than my tires will expect a little more rubbing on the swaybar.

the H2 I had with 35's rubbed more than the H3 with 35's. the 37's on the H2 polished the swaybar on both sides at full lock and never showed wear that it was damaging the tire. I only had about 14,000 miles of wear on them though.
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Old 12-22-2005, 02:19 AM
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by timgco:
I am in the process of doing the same thing. The Rancho lift is coming off on Thursay and they are putting the 35/ 12.50 Procomp Extreme AT's on the stock rims. they told me that the 35's should be fine on the 7.5" rim. The tire manufacts. suggest 8". but we'll see. </div></BLOCKQUOTE>

I'm planning to put this on my stock rims - LT35 x 12.5 R16.
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  #10  
Old 12-24-2005, 02:02 AM
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timgco,,, You probably saved alot of peeps a bunch of grief posting the problems with the Rancho lift. Hats off to ya bro. Really sux you had to go thru the mess. I was thinking about getting that lift and your posts stopped me cold. Some pics of those new meats would be nice. Thanks ,, Happy Holidays
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  #11  
Old 12-24-2005, 11:11 PM
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by hmrlvr:
OK tire guys you seem to know what your talking about. I'm thinking of going with a 17 or 18 inch wheel. I know the extra rubber is needed at the sidewall when airing down, but will the slightly larger wheels get f-ed up when offroad or will there still be enough rubber. Obviously, if I'm too hard on it, any wheel will be damaged but I'm just talking trailing, hill climbing, and nothing too crazy. Thanks for the input. </div></BLOCKQUOTE>

You'll still be fine with 17's. 18's would still be good too, but you will find the price starts to jump up there too.
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Old 12-23-2005, 09:03 PM
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by timgco:
RANCHO = SUCK! </div></BLOCKQUOTE>

LOL
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  #13  
Old 12-26-2005, 12:24 AM
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Mathematically, they should work....but they'll stick out quite a bit. Let us know how it works out.
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Old 12-22-2005, 01:16 AM
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As far as your #2 concern ... I have installed the 3M Paint protection kit for the fenders and lower body. I would HIGHLY recommend installing this on any H3. I had this product on the nose of my last car and it is great!

We had a couple of snow storms here in the last few weeks. The places that the kit protects is exactly where the snow and sand was caked on.

It took me about 2 hours to install the kit (yes I am slow but I ma careful).

I woudl have sent pictures but you would not have been able to see the installed kit in the photos.
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Old 12-22-2005, 06:33 PM
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by Sewie:
<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by BbyHmmr:
I don't think those will fit on the stock rim. I looked at those before I bought mine. </div></BLOCKQUOTE>

Already been done.

http://elcova.com/groupee/forums/a/t...1/m/8061081051 </div></BLOCKQUOTE>
I'm sure those are 33's
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Old 12-26-2005, 02:47 AM
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timgco , thanks for being our rancho guinne pig and letting us know about problems you had . not sure if i want that wide of a look but maybe with truck at stock height it will look good . the 315's should really fill up the wheel wells
humm3r i will post pics if i go with this setup.
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Old 12-24-2005, 03:22 AM
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timgco if they rub "a bit" that doesn't fit. sorry to sound like johnny cockrin with the ryhme. i mean i dont really like the idea of any rub on a brand new expensive tire. they look awesome but i dont want any damage. do you plan on adding wheel spacers to correct? i want to keep my wheels or atleast the size and add 35's but i would like to be comfortable with the clearance in the fender wheels.
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Old 12-22-2005, 08:07 PM
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<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by BbyHmmr:
<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by timgco:
<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by BbyHmmr:
<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by The Green Lantern:
<BLOCKQUOTE class="ip-ubbcode-quote"><div class="ip-ubbcode-quote-title">quote:</div><div class="ip-ubbcode-quote-content">Originally posted by timgco:
I am in the process of doing the same thing. The Rancho lift is coming off on Thursay and they are putting the 35/ 12.50 Procomp Extreme AT's on the stock rims. they told me that the 35's should be fine on the 7.5" rim. The tire manufacts. suggest 8". but we'll see. </div></BLOCKQUOTE>


I'm planning to put this on my stock rims - LT35 x 12.5 R16. </div></BLOCKQUOTE>
I don't think those will fit on the stock rim. I looked at those before I bought mine. </div></BLOCKQUOTE>

Isn't the 35 x 12.50 x 16 the same as 315 75R 16? </div></BLOCKQUOTE>
On paper they seem to be but for some reason once they are on the rim they are to wide and rub </div></BLOCKQUOTE>

UGGHHH

so the 315's will fit becasue they are metric?
I hope so, because that's what they are doing today. the Extreme AT's are the same size as your X Terrains. so they should. I guess I'll find out in the next couple of hours.
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Old 12-27-2005, 10:12 PM
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hey timgco 17x9 with 4.5 bs they will stick out about 2 in more than stock should be ok i like the stomper look and so cal not as many puddles and stuff to splash sides. not sure how they will tuck up in wheel wells in serious flex situations ? hopefully the tires wont rip my fenders off if problem with serious flex will throw the 33's back on for hardcore wheelin just until the rough country is ready for us . thanks again for all the info on your experience with the rancho kit
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Old 12-27-2005, 07:20 PM
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just went to big O on my lunch tires 315 70 17 will be there tomorrow but 2 to 3 weeks for my 17x9 chambers . now i have to get grill line-x'd before wheels arrive . i will keep you all posted as it progresses
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