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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...
mkirsch's avatar
mkirsch
Nomad II
Mar 26, 2019
So you're saying the front end was sitting 1" high before you readjusted? Yes that will affect steering. It means weight is being removed from the front tires. Less weight, less traction, less steering effectiveness.

1" is a huge amount. It's no wonder it felt squirrelly.

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