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rsaylor3's avatar
rsaylor3
Explorer
Feb 07, 2019

Ridge Grapplers PSI? I have a bit of wiggle now

So I had put 285/75/17 Nitto Ridge Grapplers on my Chevy 2015 2500 HD stock wheels. Nitto said to run 65 psi in the rear and 47 in the front. This would give me the same carrying capacity as the stock...
fj12ryder's avatar
fj12ryder
Explorer III
Feb 07, 2019
Considering the off-road type tread for those tires, it's very possible you're just experiencing tread squirm. Those might be the wrong type of tire for towing a heavy trailer.

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