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Baja Beach 4WD: 32 psi to 15 psi, see the difference!

Discussion in 'Off-Roading & Trails' started by David K, Jul 24, 2010.

  1. Aug 2, 2014 at 12:00 PM
    #161
    DoorDing

    DoorDing Intentionally obtuse

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    yes
    Not for me. I may be doing a Death Valley trip this fall, though.
     
  2. Sep 4, 2014 at 6:04 PM
    #162
    David K

    David K [OP] Well-Known Member

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    The Destiny Dakota AT worked so well floating on the bottomless sand beach, that after a half mile at 35 psi, so the truck wouldn't need to work as hard, and so I would be able to drive easier on the beach dry sand, I only dropped them to 20 psi and they did great!

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  3. Sep 4, 2014 at 6:15 PM
    #163
    DoorDing

    DoorDing Intentionally obtuse

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    20 psi in 265/75-16 DuraTracs worked very well for me on the sand around Moab. Floated fine, and smoothed out some rougher sections nicely, all with stock suspension.
     
  4. Sep 5, 2014 at 4:25 PM
    #164
    David K

    David K [OP] Well-Known Member

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    Haven't been to Moab, yet! The desert sand I have been on is different than beach sand of east-coast Baja. Perhaps it's that in addition to the sand, there is tiny rocks, corral, and crushed shells which seem to make that kind of sand less compact-able and harder to 'float' on?
     
  5. Mar 8, 2016 at 12:51 PM
    #165
    Lobo

    Lobo Member

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    Need advice on how low I can deflate my tires: My rig is a 04 Tacoma with a FourWheel pop-up camper on it. My tires: General, Grabber AT2; 6 ply tubeless radials; 265/70/R16.
    I want to explore some trails in Anza Borrego that require driving in sand most or all of the way.
    The max psi on this tire is 44. For regular highway use, my mechanic says to run 25-30 psi on the front and 35-40 on the rear.

    For sand, how do I proceed? Start at 25 psi? If that isn't enough how low could I safely go without popping a bead?
    Appreciate getting some advice.
     
  6. Mar 8, 2016 at 12:58 PM
    #166
    Drainbung

    Drainbung Some days you watch the show, and some days...

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    There's a thread on this over on the Wander the West since they're dealing more with FWC's:

    http://www.wanderthewest.com/forum/topic/11408-off-road-tire-pressure-how-low-do-you-go/

    I have an Eagle on my truck and aired down to 30 and was fine. I normally run 50 rear and 45 front.

    Look into a set of tire deflators on Amazon:

    http://www.amazon.com/Teraflex-4807...0659&sr=8-3&keywords=trailhead+tire+deflators
     
  7. Mar 8, 2016 at 1:28 PM
    #167
    Lobo

    Lobo Member

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    Thanks, Bob. I also have the Eagle. So if max psi on my tires is 44, maybe I'll give the 25 psi at go.
    I did check out the WTW thread; thanks. Do you get over to Anza Borrego much? Favorite spots?

    Jim
     
  8. Mar 8, 2016 at 1:33 PM
    #168
    Drainbung

    Drainbung Some days you watch the show, and some days...

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    I would start at 30 and see how it rides since the camper weighs at least 800. I've hit a couple places out at AB, Fish Creek Wash and Sheep Canyon. There's a lot to see and do out there. I just recently moved out here from WV so it's all new to me.
     
  9. Mar 8, 2016 at 2:12 PM
    #169
    Lobo

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    Thanks again, Bob. I'll give 30 a try. I enjoy Fish Creek area; Oyster Canyon is really nice. I also like DV and many of those roads into the canyons are sand. Maybe I'll give Coyote Canyon a go; it gets a bit rocky after the river crossings.
     
  10. Mar 8, 2016 at 3:09 PM
    #170
    David K

    David K [OP] Well-Known Member

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    Different sands require different deflating, if any...
    As I mentioned above, desert sand seems to require less deflating as it compacts better. Beach sand requires more if it is a steep slope beach or one with a lot of shell or coral in it.

    My tires (265/75-16 Hankook DynaPro ATM, P-Rated) do excellent and float with more air in them than a stiffer or mud tire. 44 psi Max rated, I have them at 34 psi for daily driving... Off Road at 20-25 psi and sand at 15-20 psi.

    If they were a mud tire or 3 ply sidewall tire (I ran Cooper Discoverer STTs in the past), then the pressure would need to be dropped to 10 psi or less to achieve the same degree of floatation as the other tires at 15 psi.
     
    Drainbung likes this.
  11. Mar 8, 2016 at 6:05 PM
    #171
    Lobo

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    Thanks, David. Sounds like your tires are similar to mine with a 44 psi max. I'll take your advice.
    Looking forward to my trip to Anza Borrego.
     
  12. Mar 8, 2016 at 10:38 PM
    #172
    David K

    David K [OP] Well-Known Member

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    Have fun... and no beach at Anza Borrego, so 20 psi may work just fine! Devil's Slide is the main sand area there.
     
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