Air down PSI for off road

[Lex_310]

What’s up fellas. Recently got my new 2021 XLT 5.0 FX4 and right away slapped methods 305’s and 295/70/17 nitto ridge grapplers.

Looking to go off roading this weekend at Bee Canyon in SoCal with @Tizzzo as we got the same truck.
At cold start, the psi is about 40, 45 when it runs.
What is the recommended psi to air down to when hitting a rocky trail? I see multiple answers online but looking for more feedback from you guys. Thanks! ?

Edit: while on the same topic, which air pumps do you guys recommend?

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[AutonomousHybridF150]

You should use the lowest pressure possible to give the largest contact patch without sacrificing sidewall rigidness that might allow the rubber/rocks to pinch a hole in the sidewall when the rim encounters a rock.

 

[jeffcrum]

I have this pump
https://smile.amazon.com/dp/B08BRT1...abc_01970Q2YTE1WX73FW5X0?_encoding=UTF8&psc=1

And this air down tool
https://smile.amazon.com/dp/B078T18...abc_GJ141QPNBJSGKAYPD3B4?_encoding=UTF8&psc=1

 

[Infotroll]

So go down to about 30 pounds and take it from there would not go down pass 20
have a look THREAD.

 

[fxxkintallguy]

What’s up fellas. Recently got my new 2021 XLT 5.0 FX4 and right away slapped methods 305’s and 295/70/17 nitto ridge grapplers.

Looking to go off roading this weekend at Bee Canyon in SoCal with @Tizzzo as we got the same truck.
At cold start, the psi is about 40, 45 when it runs.
What is the recommended psi to air down to when hitting a rocky trail? I see multiple answers online but looking for more feedback from you guys. Thanks! ?

Edit: while on the same topic, which air pumps do you guys recommend?

Did you end up airing down a bunch? Saw your trip on Instagram, looks like you had a great time!

 

[Lex_310]

Did you end up airing down a bunch? Saw your trip on Instagram, looks like you had a great time!

Thanks for the response! I did air down. My standard psi is 40 on the 33’ nittos and went to 28. It was smooth ride for me and was perfect.

 

[Tizzzo]

I have this pump
https://smile.amazon.com/dp/B08BRT1...abc_01970Q2YTE1WX73FW5X0?_encoding=UTF8&psc=1

And this air down tool
https://smile.amazon.com/dp/B078T18...abc_GJ141QPNBJSGKAYPD3B4?_encoding=UTF8&psc=1

Thank you for this suggestion brotha! I ended up getting this same pump and I am beyond impressed of how fast it airs up! Awesome pump!

 

[jeffcrum]

Thank you for this suggestion brotha! I ended up getting this same pump and I am beyond impressed of how fast it airs up! Awesome pump!

Thank you. Glad to hear it!

I haven't been able to use it yet. Just happy to know that I picked well!

 

[Tizzzo]

Thank you. Glad to hear it!

I haven't been able to use it yet. Just happy to know that I picked well!

It’s a dual pump design which is pretty cool, airs up super fast. Got me from 32 psi to 38 psi on one of my tires in under a minute ?

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