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Air Down For Mud?
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Elder User
Joined: Feb 2003
Posts: 760
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From: Boise, ID
Air Down For Mud?
I know, this sounds like a rookie question. For those of you that like to play in the mud, I was wondering if you air down your tires.
I've seen trucks running in tank traps that are obviously aired down but they also have to negotiate logs and stuff.
If you're just running in a bog, does dropping pressure help? I'd like to hear your experiences. Please include info on your rig like approx weight, and what tires you're running.
I've seen trucks running in tank traps that are obviously aired down but they also have to negotiate logs and stuff.
If you're just running in a bog, does dropping pressure help? I'd like to hear your experiences. Please include info on your rig like approx weight, and what tires you're running.
Posting Guru
Joined: Jun 2003
Posts: 1,854
Likes: 1
From: Des Moines, Iowa
yea airing down helps. by puting down a wider foot print it will help with floatation and traction. i am no expert in the mud, but this is what i have heard and from some experiance have found out for myself. my rig weighs about 5100 lbs, and i am ashamed of my tires but they are 33x12.50
Posting Guru
Joined: May 2002
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From: Southwestern Michigan
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Elder User
Joined: Feb 2003
Posts: 760
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From: Boise, ID
Thanks for the replies fellas. I haven't hit any mud nasty enough to need aired down yet I guess. The fact that my 9" broke the week before we started getting serious rain around here doesn't help.
CWB, that's some nice slop there. I wanna play sooooo bad!!
CWB, that's some nice slop there. I wanna play sooooo bad!!
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Post Fiend
Joined: Sep 2000
Posts: 8,238
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From: Oregon
Telli, are you running 15" rims? Just curious. Sounds like Gil found out what happens when you air down 16.5s to much, bummer. With my weight and rims I only air down to 16 in the rear and 18 in the front...once taxes come back it will be beadlocks and 3psi though 
Posting Guru
Joined: May 2002
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From: Southwestern Michigan
Yes they are 15's ..... I have yet to lose a bead......ohh I probably shouldn't have said that....knock on wood.
I got to those numbers by airing down while looking at the sidewall, and stopping just when they start to wrinkle.
I air down a little more at the dunes 9 rear 12 front.
I got to those numbers by airing down while looking at the sidewall, and stopping just when they start to wrinkle.
I air down a little more at the dunes 9 rear 12 front.
Tuned
Joined: Dec 2002
Posts: 303
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From: norwich USA
Originally posted by proeliator
Telli, are you running 15" rims? Just curious. Sounds like Gil found out what happens when you air down 16.5s to much, bummer. With my weight and rims I only air down to 16 in the rear and 18 in the front...once taxes come back it will be beadlocks and 3psi though
Telli, are you running 15" rims? Just curious. Sounds like Gil found out what happens when you air down 16.5s to much, bummer. With my weight and rims I only air down to 16 in the rear and 18 in the front...once taxes come back it will be beadlocks and 3psi though
Elder User
Joined: Apr 2003
Posts: 821
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From: Normal, IL
Personally, I have found that airing down helps, but only in the rear. Before the swap to the 38's, the 35's on the rear were run at 4 psi, no beadlocks. We never blew a tire off the bead(could it be because we were running 14.5 inch wide tires on 8 inch wide rims), but constantly spun the rim inside the tire. So, it was run at 6 lbs with major tire spin, or run at 4 and tear up the tire. Or, as we did, option C, change to 38's. We run around 16 lbs on the rear, 21 lbs on the front, but we have to adjust for wheelspin, again. Keep the fronts higher, so the tread stays open and cleans out better. Usually 3 to 10 psi does it, but sometimes more.
Lead Driver
Joined: May 2000
Posts: 9,236
Likes: 12
From: Senoia, GA
sorry to bring this thread back but something just hit me....the more you air down the less clearance you have underneath. I would say if you are just playing without having to run through someone else's ruts, then air down. but i was keep as high as i could if you are going down the trail following someone's ruts! that extra inch or so could mean the difference b/t riding the rest of the day or spending several hours trying to get unstuck!
just my .02 worth
-jason-
just my .02 worth
-jason-
Post Fiend
Joined: Sep 2000
Posts: 8,238
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From: Oregon
Originally posted by fishmanndotcom
sorry to bring this thread back but something just hit me.... -jason-
sorry to bring this thread back but something just hit me.... -jason-
Originally posted by fishmanndotcom
[Bthe more you air down the less clearance you have underneath. -jason- [/B]
[Bthe more you air down the less clearance you have underneath. -jason- [/B]
