Off Road Obstacle question
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Off Road Obstacle question - 4/8/2008 5:53:35 AM
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T REX
Posts: 29
Joined: 11/28/2007
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Hi All
I recently got stuck with my H3 when going though a ditch that was full of Mud
The back wheels got stuck in the Mud and would just turn and the front wheels could not pull me up to the top of the ditch.
I was a little dissapointed that my H3 could not get through as some other 4x4's did with the rear diffs locked all 4 wheels would just spin, I do however believe my tyres [Goodyear Wranglers where partialy to blame].
What be the recommeded tyre pressure for this type of obstacle?
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2007 Hummer H3 Adventure
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RE: Off Road Obstacle question - 4/8/2008 6:50:18 AM
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3hummers
Posts: 11731
Joined: 9/23/2007
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If you were at full tire pressure that would be a big part of the problem. Lower pressure= a bigger tire footprint. Like Shorty said, in mud you want to keep your momentum up and having a bigger surface for grip helps. Without beadlocks I run 16-18 psi in mud and about the same in deep sand.
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2006 H1 Alpha wagon
2000 H1 Slantback
1997 H1 wagon
2008 H3 Alpha
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RE: Off Road Obstacle question - 4/8/2008 6:56:03 AM
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alrock
Posts: 1033
Joined: 5/12/2007
From: Scottsdale, AZ
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If you had the stock Wrangler RT/S, that's a big part of the problem. They have small grooves and hold onto the mud vs. shedding it like a good MT tire. I just got rid of mine a few months ago and I noticed a big difference in offroad handling.
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RE: Off Road Obstacle question - 4/8/2008 7:43:10 AM
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Doc Olds
Posts: 3520
Joined: 7/11/2007
From: Boat Town USA (Michigan 48045)
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Yep, those tires are part of the stuck problem. 
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RE: Off Road Obstacle question - 4/8/2008 8:12:38 AM
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Trey124
Posts: 4592
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quote:
ORIGINAL: alrock
If you had the stock Wrangler RT/S, that's a big part of the problem. They have small grooves and hold onto the mud vs. shedding it like a good MT tire. I just got rid of mine a few months ago and I noticed a big difference in offroad handling.
What tire did you go with? I put off buying the winch bumper until I get new tires. I'm interested in going up to a 35" tire on the stock rim. Looking for feedback from other owners.
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Slate Blue H3 Owner, THCI member and Driving Academy Grad.
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RE: Off Road Obstacle question - 4/8/2008 8:30:13 AM
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rhill20
Posts: 4548
Joined: 10/27/2007
From: Delaware, Ohio GO BUCKS!
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I think that he is running the same tires as I am. BFG A/T's, NOT the best off road tire but they are a hell of alot better than the stock Wrangler RT/S! A decent compromise tire if you not spending ALL of your time off road IMO. Noticed a big difference just in the mud (haven't been in anything else yet)
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RE: Off Road Obstacle question - 4/8/2008 9:18:08 AM
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Steve #1
Posts: 411
Joined: 7/29/2007
From: TEXAS
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I'm a proponent of airing down, but in mud it's not going to make as much difference as it would with sand or climbing ledges etc.
There's two camps when it camps to mud. Wide high flotation tire to ride on top, or a tall narrow tire to cut through the goo and get down to the more solid part. Which works better depends on the mud.
As for the other vehicles making it through.... where they IFS or SFA? Mud tires or street? V8 or I4? Balls to the wall or slow and steady? Long wheelbase or short? Virgin off roaders or experienced veterans? There are tons of factors at play. Personally, I'd rather have my K5 in mud than my H3, even with it's open diffs.
Of the 12 or so H3s and H2s that tackled this muddy ditch, I think only 2 or 3 made it through.
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RE: Off Road Obstacle question - 4/8/2008 9:38:58 AM
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White08H3
Posts: 157
Joined: 4/1/2008
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When my lease is up and if I decide to buy it out, I will definitely be changing the tires out. I have the stock wranglers on right now, which are great for normal driving, but even in the snow up here they slip, however a lot better than the stock ones that came with my Jeep. I noticed they do hold a lot of the "whatever" you are going through whether it be snow, mud or dirt.
I did look at the Wrangler MTR and the BFG mud t/a tire for my jeep cherokee when I was looking for tires and they looked like a decent tire for on-road AND off-road driving. Some off road trucks I have been in, it feels like you are driving on the moon on the highway with them and the noise is ridiculous.
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RE: Off Road Obstacle question - 4/8/2008 9:57:16 AM
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Gunz
Posts: 140
Joined: 11/12/2007
From: Havelock NC
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Bad tires are a huge difference. Think of an athlete with the wrong shoes, like a track star in heels. The most embarrassing moment of my 4 wheeling life was this picture where it took me four tries to get up the hill. Heck the range below was almost all stock and I think he got up with out even breaking traction. Bad tires + bad driver = embarassment. But I can say I leaned more that day with that one little hill than I did the rest of the weekend. Should have put my other set of tires on, should have listened to the spotter, and should have not thought that my vehicle was so bad I could do it my way. And again I know you were dissapointed but everyone that wheels gets stuck and makes mistakes. Get ride of those tires you have as I hated them on a vehicle I did have. And my opinion is like Steve #1, tire pressure alone may have not been the culprit here.
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RE: Off Road Obstacle question - 4/8/2008 5:18:44 PM
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RealJeep
Posts: 725
Joined: 7/30/2007
From: Lakeland, Florida
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Once again I repeat, and Impy will back me up on this one. The lame "traction control" our rides have is NOT a replacement for front lockers! The E-locker in back is OK but it works only in 4L and at speeds less than 20 MPH which makes it useless in goopy mud holes. That's where the Rubicon and Dodge Power Wagon have the HUMMER beat hands down. Front and rear (real) lockers, solid front axle and disconnecting front sway bar...Now that's a real 4x4! Our HUMMERS are nice off road rigs, better than a Grand Cherokee or a piece of crap YoyTota but they can't compare to rigs with the aforementioned setup. The new H4 will have a front locker and a cast iron front punkin'. Well done General Motors, but you should have done this to the H3 a long time ago.
"That's all I have to say 'bout that." (Forrest Gump)
http://www.4wheeloffroad.com/roadtests/131_0804_2009_hummer_h3t_review/index.html
http://www.4x4abc.com/4WD101/locking.html
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RE: Off Road Obstacle question - 4/8/2008 5:41:15 PM
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alrock
Posts: 1033
Joined: 5/12/2007
From: Scottsdale, AZ
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quote:
ORIGINAL: rhill20
I think that he is running the same tires as I am. BFG A/T's, NOT the best off road tire but they are a hell of alot better than the stock Wrangler RT/S! A decent compromise tire if you not spending ALL of your time off road IMO. Noticed a big difference just in the mud (haven't been in anything else yet)
rhill is correct, I have the BFG A/Ts. I don't have much mud out here and I chose ride/noise quality and tire wear over Mud Terrain off-road capability. The A/Ts are definitely a compromise but still way better than stock tires. If you are doing mud, and going to 35s, I would really take a look at the new BFG KM2s.
I also compromised on size, doing 295/75-16 vs. 285 or 315s
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RE: Off Road Obstacle question - 4/8/2008 5:50:45 PM
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3hummers
Posts: 11731
Joined: 9/23/2007
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We don't get much mud here either. Many sand, rock and the occasional chance to get muddy. The MTR is a good all around tire.
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2006 H1 Alpha wagon
2000 H1 Slantback
1997 H1 wagon
2008 H3 Alpha
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RE: Off Road Obstacle question - 4/8/2008 8:27:12 PM
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spaustin889
Posts: 121
Joined: 4/1/2008
Status: offline
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quote:
ORIGINAL: RealJeep
Once again I repeat, and Impy will back me up on this one. The lame "traction control" our rides have is NOT a replacement for front lockers! The E-locker in back is OK but it works only in 4L and at speeds less than 20 MPH which makes it useless in goopy mud holes. That's where the Rubicon and Dodge Power Wagon have the HUMMER beat hands down. Front and rear (real) lockers, solid front axle and disconnecting front sway bar...Now that's a real 4x4! Our HUMMERS are nice off road rigs, better than a Grand Cherokee or a piece of crap YoyTota but they can't compare to rigs with the aforementioned setup. The new H4 will have a front locker and a cast iron front punkin'. Well done General Motors, but you should have done this to the H3 a long time ago.
"That's all I have to say 'bout that." (Forrest Gump)
http://www.4wheeloffroad.com/roadtests/131_0804_2009_hummer_h3t_review/index.html
http://www.4x4abc.com/4WD101/locking.html
amen! i love my hummer, but realjeep pointed out its three weaknesses, traction control, the locker situation, and ifs front end. i love my hummer and they are indeed bada** offroad machines...to some extent
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RE: Off Road Obstacle question - 4/9/2008 10:34:14 AM
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RealJeep
Posts: 725
Joined: 7/30/2007
From: Lakeland, Florida
Status: offline
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Re-read the post guys.
The GY Wranglers aren't a bad tyre but unless they're Wrangler M/T's then they are not a mud tire.
He says his rear was spinning and the front would not pull him out. Traction control sucks and is not a replacement for a locker in the fornt end.
His friends had lockers and they walked right out of the hole. Don't think your H3 is a true 4x4 because at best it a 3x4 with a rear locker and I grade that down to a 2-1/2X4 because the locker only works in LR and below 20MPH. I'm glad GM's listening because the H3T will have a front locker soon!
quote:
ORIGINAL: T REX
Hi All
I recently got stuck with my H3 when going though a ditch that was full of Mud
The back wheels got stuck in the Mud and would just turn and the front wheels could not pull me up to the top of the ditch.
I was a little dissapointed that my H3 could not get through as some other 4x4's did with the rear diffs locked all 4 wheels would just spin, I do however believe my tyres [Goodyear Wranglers where partialy to blame].
What be the recommeded tyre pressure for this type of obstacle?
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