whats the correct psi for nitto grapplers?

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#16

03-05-2012, 08:59 PM

Bigboytoys

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Btw, I lowered the psi to 50

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#17

03-05-2012, 09:06 PM

kingfish51

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Quote:

Originally Posted by Bigboytoys

Thanks for the info kingfish51, I have a good understanding now

You are quite welcome.

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#18

03-06-2012, 04:50 PM

Bigboytoys

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Kingfish51, I have one more question for ya, am about to tow a 6,500 lbs trailer. What psi should I run with those tires?

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#19

03-06-2012, 06:15 PM

kingfish51

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Quote:

Originally Posted by Bigboytoys

Kingfish51, I have one more question for ya, am about to tow a 6,500 lbs trailer. What psi should I run with those tires?

50 should still be good, but if you get any sidewall flex, bump them up 5-10lbs. I assume you are using a WD hitch, so it should be all the way around.

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#20

03-06-2012, 11:49 PM

Bigboytoys

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Quote:

Originally Posted by kingfish51

50 should still be good, but if you get any sidewall flex, bump them up 5-10lbs. I assume you are using a WD hitch, so it should be all the way around.

Ok, will do, thanks

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#21

09-18-2019, 11:17 AM

Matthew Rhead

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Terra Grappler G2's PSI

I just called the Nitto to verify the recommended PSI to run these tires.
I have a 2012 F-150 Platinum. My tire size is 12.5x20x35. They recommend 37PSI in both the front and back. I hope this helps.

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