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Over-estimating your experience or under-estimating the terrain in a place like Big Bend can result in serious injury or death. Use the information and advice found here wisely. Climb/Hike/Camp/Drive at your own risk.

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Need help preparing truck for backcountry road exploration

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Offline Al

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Re: Need help preparing truck for backcountry road exploration
« Reply #15 on: May 24, 2009, 02:10:10 PM »
If they're the same size, which they are, it would be the same pressure.  I'd talk to your Toyota dealer.  Rule of thumb for 1/2 ton full-size trucks is tire pressures between 30 and 35 psi.  I run my F150's tires at between 33 and 35 psi.

Al

Al

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Offline tjavery

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Re: Need help preparing truck for backcountry road exploration
« Reply #16 on: May 24, 2009, 04:07:13 PM »
Don't forget to take a PVC tarp,man let me tell you these babies always come in handy.Tie it to the truck,preferably a high point, stretch it and anchor it to the ground or another vehicle,instant shade for you and friends.

Oh, good one. And here's a pic (at PC4 campsite):



Although this was a canvas tarp. Still made great shade, though :icon_biggrin:

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Offline dkerr24

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Re: Need help preparing truck for backcountry road exploration
« Reply #17 on: May 24, 2009, 07:47:05 PM »
Any kind of shade, hard or soft is good in the desert!

I think of all the times I was grateful for any scrubby tree for a bit of shade.

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Offline Undertaker

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Re: Need help preparing truck for backcountry road exploration
« Reply #18 on: May 24, 2009, 08:45:57 PM »
I used two tarps, one about 4 or 5 inches above the other provides shade and air flow between the two tarps keeps area below lower tarp a little cooler even when very hot, a nice few degrees is great. :eusa_dance:
Visiting BB since 1966, nothing like being lost and finding heaven.

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Offline presidio

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Re: Need help preparing truck for backcountry road exploration
« Reply #19 on: June 07, 2009, 10:10:02 PM »
Can't patch/plug a sidewall blow out.

Never say 'can't'. Not recommended, but it can be done. The issue in the backcountry is getting out, not complying with recommended procedures.

Get a quality plug kit, not the cheapo things you find at most auto parts places or WalMart. A quality kit will not be inexpensive but it will last you a long tlme. Safety Seal is used by professionals. Go to
http://www.safetyseal.com/products.htm and decide what you need.

I once saw a tire with a large sidewall hole that was successfully plugged with 3 Safety Seal plugs. Held for 3,000 miles at highway speed before they finally worked loose due to sidewall flexing. I wouldn't drive a sidewall plug any farther than necessary, but you do what you have to do when you're on your own.

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Get a good air compressor that will blow up a tire in a few minutes as opposed to hours when compared with those cheapos.

That's fine, but I also carry a quality hand pump. It always works even if giving you a workout. I have a Golden Rod pump, don't know if they are still available, but it is steel, with steel rod external stiffeners and a threaded-on big wooden handle....not the lightweight junk mostly seen today. An occasional drop of oil on the leather sealing washer keeps it perking along.
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<  presidio  >
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Wendell (Garret Dillahunt): It's a mess, ain't it, sheriff?
Ed Tom Bell (Tommy Lee Jones): If it ain't, it'll do till the mess gets here.
--No Country for Old Men (2007)

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Offline presidio

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Re: Need help preparing truck for backcountry road exploration
« Reply #20 on: June 07, 2009, 10:16:08 PM »
I always spray a bit of penetrating oil on the threads of the studs to help keep the lug nuts from getting frozen.

I'd be careful about doing that. Torque values for such things almost always are for clean, dry threads; if not, it would be clearly stated as a lubricated value. Lubing the studs will result in over-torqueing the fittings (the wrench will still release at the indicted value but it will be a lot tighter than the design value because you've removed the drag that naturally would be there), possibly resulting in catastrophic failure. No tire shop will lube a stud when installing tires.

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Another item I strongly recommend is a 'Scangauge II'.  It is a small LCD readout that attaches to the ODB-II port underneath the dash of your Toyota.  All cars built since 1996 have this port.  It will tell you coolant temp in Farenheit or Celsius, voltage, intake temperature, current mpg, miles to empty, a whole slew of things the idiot lights on your dash won't tell you.  It can also read the codes if your 'Check Engine' light comes on.

Good suggestion. I have one and it is invaluable.

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Best advice on off-road driving is go SLOW.  I've seen folks fly over rough roads doing all kinds of damage to their vehicle when simply crawling over the bad spots will save you from headaches later.

Yep.
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<  presidio  >
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Wendell (Garret Dillahunt): It's a mess, ain't it, sheriff?
Ed Tom Bell (Tommy Lee Jones): If it ain't, it'll do till the mess gets here.
--No Country for Old Men (2007)

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Offline presidio

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Re: Need help preparing truck for backcountry road exploration
« Reply #21 on: June 07, 2009, 10:18:15 PM »
If you have room, a shovel is nice.....I don't know how many times, I've had to dig my self out being stuck in sand........ :icon_lol:

A shovel should be considered mandatory for backcountry travel.
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<  presidio  >
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Wendell (Garret Dillahunt): It's a mess, ain't it, sheriff?
Ed Tom Bell (Tommy Lee Jones): If it ain't, it'll do till the mess gets here.
--No Country for Old Men (2007)

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Offline presidio

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Re: Need help preparing truck for backcountry road exploration
« Reply #22 on: June 07, 2009, 10:26:48 PM »
A few more notes.  Go with the door pressure not the dealer over-inflation.  Seems like they always over inflate, I guess to set the bead on the wheel when they install the tire.  43 psi is way too high.  In any event I wouldn't run them over 35 psi. 

Not necessarily so. The door sticker usually is for the pathetic P-series tires automakers mostly ship vehicle with these days so their studly trucks ride more like sedans and don't unduly jostle your innards.

If the poster is seeing 80 psi max cold pressure on his sidewalls, he has LT series tires, and probably load range D (maybe even load range E). These tires can carry a lot of weight and that is what determines your inflation values, not the door sticker. I run my D range tires consistently at 55 psi, hardly ever rotate them and never fail to well exceed the tire life advertised.

However, as Homero has indicated, airing down can improve traction. Mud/snow tires are a compromise of sorts. A real mud tire of old was relatively narrow to bite down through the goop and find something more solid. That doesn't help you in sand at all, or even snow where you want the flotation effect of a wider, lower pressure tire.
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<  presidio  >
_____________
Wendell (Garret Dillahunt): It's a mess, ain't it, sheriff?
Ed Tom Bell (Tommy Lee Jones): If it ain't, it'll do till the mess gets here.
--No Country for Old Men (2007)

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Offline Al

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Re: Need help preparing truck for backcountry road exploration
« Reply #23 on: June 07, 2009, 10:53:36 PM »
Also the inflation pressure is based on the surface area of the tire footprint and the weight of the truck that rests on that tire.  Although some manufacturers have been known to recommend a pressure that under-inflates the tires because of a softer "better" ride.  Over-inflation, based solely on the tire's maximum rated pressure, however, can cause the tire to wear excessively along the center of the tread rather than evenly across the width of the tire.  Check the wear across the tire and adjust inflation accordingly.

I agree with you on using plugs for sidewall repair.  If done properly it works quite well enough to get to civilization and probably more. Been there and done that.  Once we were in a rugged back country off road situation, had already used the spare and would have been stuck in the middle of nowhere.  Used 4 plugs to seal a ripped sidewall.  Pressured the tire up enough to run on until we got back to pavement.  Worked like a champ.

Al

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Offline Al

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Re: Need help preparing truck for backcountry road exploration
« Reply #24 on: June 28, 2009, 02:42:22 AM »
Slow is good. Sometimes fast is good too just as long as you have a couple of spare tires or someone who knows how to deal with a broken axle or a flat tire far beyond civilization. &nbsp;Coming up a trail in eastern OK when it was public land. &nbsp;Posted once before but on a slow night and a driver with incredible show of skills (I was behind the camera) &nbsp;. . . it's hard to imagine walking up that hill in this heat the last few days. &nbsp;Jeeps are Great!




Al

PS. I could try to fit this in on one of these "Where am I", where-EVER thingies, but it is just too hot.
« Last Edit: June 28, 2009, 02:56:40 AM by Al »

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Offline homerboy2u

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Re: Need help preparing truck for backcountry road exploration
« Reply #25 on: June 28, 2009, 08:38:37 AM »
Yes, i remember that picture..posted on the Puerto Rico Mine trip. I agree jepp are good, but diesel Rubicon Jeeps are better...believe me.
Stay thirsty, my friends.

 


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