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Suggestions for an newbie beach off roader

suggestions for an newbie beach off roader

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20 replies to this topic

#21 imrich

imrich

    Respected Gunowner

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Posted May 26 2016 - 08:29 AM

Although it varies with truck weight and tire construction, proper airing down will be more like 8-12lbs. You need to see significant bulging on the sides to maximize the footprint. I see a lot of people airing down to 20lbs and in reality, it does nothing. The taller and skinnier the tire, the more important it is. If you have 37x12.5's on a 4000lb truck, you already have a pretty substantial footprint. If you have 31x8.5's on a 6000lb truck, you better air them down all the way you dare.

You may need to go that low for a few larger trucks, but in most cases if you go that low in pressure for a regular truck you run the risk of blowing the seal between the bead of the tire and the rim. Once you lose that seal, there's no way to inflate the tire and you'll have to change it. And lug nuts have a nasty habit of disappearing into the sand, especially at night. Also, that low on a regular truck will break down the sidewalls of most tires really quick and you'll be buying tires about twice as often as the rest of us. As a general rule about half the rated pressure is enough to allow the tires to float on the sand.





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