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Old 02-26-2013, 06:27 PM   #1
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Sand driving

Last weekend we went to Chachalacas, Veracruz to play with our tjs.
It was my first experiennce with really loose sand dunes, so following some treads i lowered the pressure to 12 psi, but i still i need of some advice.
If i try to go up to a inclinaton lets say 15 degrees without any speed, no matter what i do i will stall the engine. I have a 97 4 cylinder std 2.5. it was very scary to start the climbing with a speed of 30 mph. I am missing or doing something wrong.



LOOK HOW DEEP IN THE SAND THE JEEP IS.

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Old 02-26-2013, 06:30 PM   #2
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You're not missing anything. Especially in 4wd. Engines hate sand. It bogs em down so unbelievably much. Not enough torque to climb.

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Old 02-26-2013, 06:38 PM   #3
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Thanks for the reply, do you think the 6 cylinder is much better ?
What do you think of my rear cargo solution ?
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Old 02-26-2013, 06:48 PM   #4
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Thanks for the reply, do you think the 6 cylinder is much better ?
What do you think of my rear cargo solution ?
When I use to go to the dunes with my 2.5 I never had an issue with it bogging down and dying. But I think that is because I was never in 4wd, always in 2wd. But like the post before if you are in 4wd it will be easier to stall because of it not getting enough power and with being in sand making it a lot harder to get a grip and get the proper power. Now I have inline 6 and I still have no issue with it bogging down, but I can definitely tell that my jeep can move the sand a little better because of the bigger engine.
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Old 02-26-2013, 06:50 PM   #5
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Thanks for the reply, do you think the 6 cylinder is much better ?
What do you think of my rear cargo solution ?
We're you in low? I've never had my jeep in sand so cannot comment on it, but in low I can pretty much rip through any amount of mud or deep snow with no issues at all. That's with my crappy smooth tires
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Old 02-26-2013, 06:56 PM   #6
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We're you in low? I've never had my jeep in sand so cannot comment on it, but in low I can pretty much rip through any amount of mud or deep snow with no issues at all. That's with my crappy smooth tires
I drive on sand alot, and I always put it in low. That is with my 2.5. I also only aired down to about 20 lbs and didnt even have the best tires. In first gear I would spin before the engine bogged.
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Old 02-26-2013, 07:11 PM   #7
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I've only used hi in sand. Really steep, long inclines from what I've seen just aren't really doable without some speed heading into it.

I am not claiming that this is correct, only what I have experienced. And more than likely am completely wrong. And I'm talking SOFT sand.
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Old 02-26-2013, 07:12 PM   #8
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Come to think of it the class my mother took to learn how to drive in the dunes recommended 4lo and steady engine speed in 2nd gear (manual) the jeep however wasn't getting enough speed up the hill so she had problems.
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Old 02-26-2013, 07:29 PM   #9
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You can still gain some speed in low. I usually started in second and cruised in 3rd or 4th depending on sand. There were a few times I bogged in first in 4hi so started using low
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Old 02-26-2013, 07:29 PM   #10
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I've been driving in the sand dunes for over 25 years... Glamis, Pismo, Dumont, Oregon, etc... so some advice for you...

The 12 psi is fine for your smaller tires. Use low range and use mostly 2nd and 3rd gears for most of your duning. Your biggest issue is your motor. Sand is a lot like mud....except for the mess. Running around in the big dunes requires horsepower. Don't expect to top the largest dunes out there with your 4 cyl motor...it aint gonna happen. You can have a lot of fun in the small stuff and on the beach, but as I said HP is king in the sand. Another thing is weight. If you're going to be out doing some serious duning then the less weight...the better. If the weather is nice, I lose my hard doors, the top and whatever else I don't think I'll need. Always keep a tow strap (mine is 3 in wide and rated for 30,000lb) and some shackles with you though. Smooth starts and stops will help keep you from burying yourself..I've seen dozens come to a stop by slamming the brakes, then trying to take of by dumping the clutch and all that happens is that they sink...he dunes can be a ton of fun...but if you screw around it can be a miserable experience..
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Old 02-26-2013, 07:31 PM   #11
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Quote:
Originally Posted by eugenesonrisa
Come to think of it the class my mother took to learn how to drive in the dunes recommended 4lo and steady engine speed in 2nd gear (manual) the jeep however wasn't getting enough speed up the hill so she had problems.
2nd gear for me in the rubi and 4lo is snail speed. 4:1 ratio makes 1st useless and 2nd a crawl gear. Like I said, never driven in sand but I cannot picture me using 1st in low or 2nd for any kind of speed. I also can't imagine bogging the jeep down while in lo
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Old 02-26-2013, 08:46 PM   #12
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Originally Posted by alienjeep
Thanks for the reply, do you think the 6 cylinder is much better ?
What do you think of my rear cargo solution ?
I have a 4.0 and I have shitty Florida sugar sand. You can see my avatar I got bogged down and bottomed out on a slight curvy incline. However. In 4LO and 1st or 2nd I can climb anything and everything, and drive through sand all day, but you'll hear up fast in summer.
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Old 02-26-2013, 09:10 PM   #13
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This was my first time in the sand. I tried crawling it twice and did exactly what you did. I dug in and quit going forward. My buddy who has done this hill before told me to put my rubi in low and put my foot on the floor. I did and made it 3 more times. But you can hear my tire carrier slapping when the tires started to chatter. The trans downshifted and up I went. If you turn up the volume you can hear the pop pop pop of the carrier. And yes i did hit it at over 30. Well over 30.
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Old 02-26-2013, 09:55 PM   #14
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OP, I'm curious. Did you try low?
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Old 02-26-2013, 10:00 PM   #15
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momentum

i think the only way is with speed, the sand dunes i ride is like a large cup. we were afraid to not be able to came out from the middle, so we keep playing around.
my best gear was low and playing between 2 and 3.
if you try to go slow you will make a hole in the sand, but my tj does not have enough power to keep the speed to float over the sand.
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Old 02-26-2013, 10:03 PM   #16
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Sometimes you do just have to have a little runup speed to get over it. You just let off at the top so you don't go sailing. I grew up on sand and don't use 4 lo often because I don't like winding my transfer case way up but I've only gotten stuck once using the 4 hi 1st gear. Just my 2c.
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Old 02-26-2013, 10:24 PM   #17
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Another thing. If you think you're going to be playing in sand a lot, WIDE tires with very modest/mild/tame/whatever you want to call it tread will be your best friend. It will help float and prevent digging in
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Old 02-26-2013, 10:35 PM   #18
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This was my first time in the sand. I tried crawling it twice and did exactly what you did. I dug in and quit going forward. My buddy who has done this hill before told me to put my rubi in low and put my foot on the floor. I did and made it 3 more times. But you can hear my tire carrier slapping when the tires started to chatter. The trans downshifted and up I went. If you turn up the volume you can hear the pop pop pop of the carrier. And yes i did hit it at over 30. Well over 30.
The 4:1 ratio in a Rubicon T Case absolutely sucks in the sand. Its just too low to make any wheel speed. Probably a good indication why its called a Rock-Trac and not Sand Trac ... On top of that..the hi range of 1:1 is too high unless your pushing some decent HP. The 2.72 in a 231 is much more suited to running thru the dunes.
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Old 02-26-2013, 10:40 PM   #19
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The 4:1 ratio in a Rubicon T Case absolutely sucks in the sand. Its just too low to make any wheel speed. Probably a good indication why its called a Rock-Trac and not Sand Trac ... On top of that..the hi range of 1:1 is too high unless your pushing some decent HP. The 2.72 in a 231 is much more suited to running thru the dunes.
That shouldn't be a problem, just run a higher gear. I've never had any such problems.
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Old 02-26-2013, 11:54 PM   #20
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You can still gain some speed in low. I usually started in second and cruised in 3rd or 4th depending on sand. There were a few times I bogged in first in 4hi so started using low
I'm always driving on sand since I live on an island,and I also use 4-lo start off in second and usually cruise in third.I have 33" tires and run with 28psi on/off road the key is start off slow so you don't dig in and as long as you're moving you will be ok.
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Old 02-26-2013, 11:58 PM   #21
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Ever try it with an auto trans? My advice to the OP or any others for that matter is based on him stating that he has a manual trans. For an auto, the difference between a 241 and the 231 in even more noticeable...by a long shot..
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Old 02-27-2013, 12:27 AM   #22
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I have a 04 6 cyl auto rubicon. I have 4.88 gears. In that video I took off in 4 low gear and it shifted in like 60 ft and third by the time I started to climb. What makes an auto harder. I found it a simple process to just keep my foot on the floor and let the trans downshift under power without loosing momentum. Seems easy enough.
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Old 02-27-2013, 04:43 AM   #23
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Just go faster, the lack of traction in sand makes it impossible to just crawl up sand dunes. The dunes here are HUGE compared to the ones in the states I have to go 45/55 mph and sometimes faster.
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Old 02-27-2013, 04:45 AM   #24
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I've been driving in the sand dunes for over 25 years... Glamis, Pismo, Dumont, Oregon, etc... so some advice for you...

The 12 psi is fine for your smaller tires. Use low range and use mostly 2nd and 3rd gears for most of your duning. Your biggest issue is your motor. Sand is a lot like mud....except for the mess. Running around in the big dunes requires horsepower. Don't expect to top the largest dunes out there with your 4 cyl motor...it aint gonna happen. You can have a lot of fun in the small stuff and on the beach, but as I said HP is king in the sand. Another thing is weight. If you're going to be out doing some serious duning then the less weight...the better. If the weather is nice, I lose my hard doors, the top and whatever else I don't think I'll need. Always keep a tow strap (mine is 3 in wide and rated for 30,000lb) and some shackles with you though. Smooth starts and stops will help keep you from burying yourself..I've seen dozens come to a stop by slamming the brakes, then trying to take of by dumping the clutch and all that happens is that they sink...he dunes can be a ton of fun...but if you screw around it can be a miserable experience..
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Old 02-27-2013, 07:17 AM   #25
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I've always been hesitant to drive my 4x4's in sand because I was told the sand gets everywhere, eats your bearings/ joints, falls into block when changing plugs, etc. Is there any truth or logic to that, and is it and worse for your vehicle than, say, mud?
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Old 02-27-2013, 10:05 AM   #26
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Anytime you stop in sand, back up 6" or so and then go forward, because if you never notice, when you stop you have a little pile of sand built up in front of the tires, backing up gives you some momentum to get over that little hump instead of pushing it from a dead stop.
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Old 02-27-2013, 01:25 PM   #27
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I've always been hesitant to drive my 4x4's in sand because I was told the sand gets everywhere, eats your bearings/ joints, falls into block when changing plugs, etc. Is there any truth or logic to that, and is it and worse for your vehicle than, say, mud?
Any wheeling can be harmful to your car. Whenever I go wheeling, weather it be sand/mud/snow/rocks, I just crawl under it with a pressure washer and clean it really well.

Living in Abu Dhabi though and doing pretty much all of the "simple" maintenance to my dads Nissan Armada (e.g plugs, wires, injector O-rings transmission flush, 2" lift kit, ect...) I've never had sand get into the block or transmission. The hardest thing to get sand out of is the cup holders and door pockets from wheeling with the windows down and sun roof open. If you're in the sand a lot I recommend cleaning your air filter out especially if you have a cool air intake.
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Old 02-27-2013, 01:48 PM   #28
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For 31" tires, 10 psi works great for TJ's. For hill climbs, lo-range and get as much speed as possible going into the climb. Down shift quickly if you have to keep the motor into the powerband >3K.




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Old 02-27-2013, 01:55 PM   #29
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I've always been hesitant to drive my 4x4's in sand because I was told the sand gets everywhere, eats your bearings/ joints, falls into block when changing plugs, etc. Is there any truth or logic to that, and is it and worse for your vehicle than, say, mud?
Sand gets everywhere, but does way less damage than mud. Sand can be blown off with an air compressor. The main thing is to stay of the saltwater.
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Old 02-27-2013, 02:01 PM   #30
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^ Those pictures are great, makes me jealous. To someone up above who mentioned the 4:1 ratio in the rubi hurting you in sand, couldn't you just use a higher gear? I know it mentions in the manual to not exceed 35mph in low, so if your needing excessive speed like some of you have mentioned, Hi should be used.

I doubt I will ever go sand duning, no real sand up here other than sand in the fields (which can lead to sink holes, but nothing like some of you guys are picturing.

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