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Old 05-28-2020, 11:19 AM #1
DUBBZ_CEMENT_PRO DUBBZ_CEMENT_PRO is offline
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Off road Tire Pressure

When going off road how low do you deflate your tires?

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Old 05-28-2020, 11:28 AM #2
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I go down to 20psi on my Duratracs but I am no expert, someone with more experience will have a better andwer.
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Old 05-28-2020, 11:39 AM #3
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It's kinda hard to answer this as it's subjective and would depend somewhat on your set up, conditions, and reason for doing so.
That being said there is a phenomenal amount of information about this available on line and it's really not specific to 4Runners rather to off-road travel as a whole.

Google is your friend: (Or rather DuckDuckGo in this instance)



airing down off road at DuckDuckGo


Airing down for sharp rocks?
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Old 05-28-2020, 11:54 AM #4
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Also depends if you are running P-metric/SL tires or LT tires (C or E load). General consensus seems to be that dropping SL tires below about 30 PSI is asking for trouble with punctures, sidewall damage, etc.

E rated can easily go down to 20 to 25 PSI or less (but you will start to lose some ground clearance which I sometimes think can be a downer).

When I ran LT265/70R17 Falkens on my previous 4Runner, I'd usually air them down to 20 to 25 PSI if I was going to be in sand or a lot of rocks. Have not aired down my Pro's stock Terra Grapplers yet which are SL load (but also haven't really taken them in anything THAT horrible).
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Old 05-28-2020, 12:05 PM #5
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20psi on stock tires. Also used 20 on my stock sized AT tires.
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Old 05-28-2020, 12:59 PM #6
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Air Down Tires for Trails

How low do you go? 5th Gen Off Road Tire Pressures

Question about air down.

airing down stock tires: bad idea?
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