Forum Discussion

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...
big_buford's avatar
big_buford
Explorer
Mar 26, 2019
One other thing to concider, and I would like to know for sure myself. When shopping for 17" LT tires I emailed cooper tire because I was looking for the highest load cap possible. This was their reply: "Starting in 2019, there was a load cap put on LT tires in the 17" tire line. New testing was done and new molds were manufactured for this."

The only tire I could find with a higher cap was the toyo MT. All others 121 load cap. 31xx lbs per tire. 16" and 18" no problem on higher capacity...

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