Tire Size and Load Index

[Bloomer89]

I am looking to move to a 35" tire on 20" rim but have a question regarding load rating. Should I have any concerns regarding the tire load index not exceeding my GAWR (6000lb according to the drivers door/6500lb according to Dodge site) - assuming I maintain E rating for tire. I am finding there are very few tires out there in a 35" that are rated above 6500lb combined (for the rear axle), but quite a few that are 121 load rating, which implies ~6400lb combined. With tires as the limiting factor, I would think it is safe to run a 121 load index tire as long as my load does not exceed that load index (ex. 3200lb/tire)

Thanks and apologies if it is a redundant question.

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