285/70/r17

I currently have the stock 20's on my 2017 Ram 1500 Express. I keep hearing 17's are better for offroad and I've done some homework that's holds the statement true. I found some Ram Rebel 17's with 285/70/17 size Toyo's on them. Looks and sounds like a good deal. Thoughts, suggestions, and...

Hi guys Im planning to fit 285/70/17 mud tires on my stock rims My stock tires are 265/60/17 Do i have to change the gear ratio for this set up My truck is a ram 1500 2016 st 5.7 4×4 and im not sure what is my gear ratio

YES, I know. She needs a leveling kit, bad.