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post #1 of (permalink) Old 11-02-2003, 07:23 PM
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Driving on slick muddy road

Today I was driving up a slick dirt trail in the rain. I had it in low but could barely climb a moderate hill. The tires are Bridestone Deuler A/T's at full pressure. Would lowering the air pressure help alot or just a little. Any other suggestions?
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post #2 of (permalink) Old 11-02-2003, 08:36 PM
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Re: Driving on slick muddy road

Stock tire size pressure is 20 psi. Start there and go down. If you're running oversize at all definitely go lower. I've got 235s (29") on mine and at 15psi the full width of tread still isn't touching on pavement!
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post #3 of (permalink) Old 11-02-2003, 08:43 PM
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Re: Driving on slick muddy road

Yes, there's a limit to how much pressure you can let out safely! Airing down tires usually works very well. It works by forcing the tire tread to flex (compress usually) forcing the crap stuck in the tread to be squished/disturbed and it'll "clean" easier) and allowing the tire to conform to the terrain better. You'll get more ground contact with a deflated tire.

If you go too low, you can loose a tire bead or have very bad handling. High speeds and loow tire pressures is a BAD idea.

Take them down to ~~ 10 ~ 15 psi, experiment! You might loose a bead, you might not, make sure you have a spare!!

Tire shops can use "bead sealer" that will aid in keeping a low pressure tire seated on the bead.


Some tires just don't flex, like my 6 ply super swamper TSL SX tires [img]images/graemlins/laugh.gif[/img]
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post #4 of (permalink) Old 11-02-2003, 11:09 PM
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Re: Driving on slick muddy road

in the same situation you might try not putting it in low range, too. If your tire treads are clogging up with mud or some other kind of slime, you can sorta 'fling' the crud out of the tread by spinning the wheels faster.

definitely air down, though!

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post #5 of (permalink) Old 11-02-2003, 11:26 PM
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Re: Driving on slick muddy road

Another option is tire chins. Just keep in mind this does nothing for the "Tread Lightly" motto, and you
can really tear up a road doing it. On the other hand getting stuck out in the boonies is no fun either.
I always carry one, if not two sets when I'm way out back.
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post #6 of (permalink) Old 11-03-2003, 01:37 AM
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Re: Driving on slick muddy road

I find A/Ts not very good in mud so I use Bridgestone M/Ts and run at 20 psi but if the going gets hard will go down to 15 psi but be very carefull not to knock ya tyre off the bead. As daxe said some times low range is not the go so may be try a high range run at it too. I normally try the nice approach first then failing that the "give it death method" and persistence pays off too [img]images/graemlins/grin.gif[/img] don't give up ! Experiment with different techniques aswell like back off a little when you feel it spinning then feed it some more when it bites the hard, crab the steering a little to feel for traction - the list goes on but you just have to play at it till ya work out the best method ya self have fun !!


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post #7 of (permalink) Old 11-03-2003, 01:47 PM
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Re: Driving on slick muddy road

Are you talking low gear or low range on the transfer case? Samurais are very poor in loose/muddy conditions when not in 4wd. If all wheels are not driving and your T-case is in low range, you might have a bad hub not allowing the axle to engage.
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post #8 of (permalink) Old 11-03-2003, 06:52 PM
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Re: Driving on slick muddy road

i wouldnt nessecarily knock A/T's right away. Alot of it depends on how you drive too.....ask anyone that rode trail with me at the melt last year....


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post #9 of (permalink) Old 11-05-2003, 10:20 AM
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Re: Driving on slick muddy road

The other thing to remember is to upshift! (Don't laugh) Even if it's in low, don't stick to 1st gear - there's 4 others right there beside it. The engine can only spin so fast, so drop to second quickly (Don't lose momentum) and keep going. Try to keep the momentum smooth. That doesn't necessarily mean to keep accelerating, just keep the speed of the vehicle steady. If it's really muddy, you might need a LOT of wheelspin to maintain the same speed. Get the momentum and wheel speed up and keep it there. Sometimes that's the only way you'll get the tires to clean themselves - particularly AT's. Some AT's work decent in the mud. Mud tires will almost always be better, because well, they're made for mud. AT's nice for a DD but you'll have to make up for the shortcomings they usually present. There are several MT's that ride like AT's but still shine offroad - something else to consider BFG MT's, SS TRxus, etc.

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