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· "Toy Master"
629 Posts
I'm looking to upgrade the factory BFGs to BFG AT KOs, because I'm ripping out chunks while LIGHT off-roading. The closest size is LT285-65-18 125/122R (factory P275-65-18 114T). The AT KOs have a heavier load rating. I'm concerned about all of the fancy traction control stuff. Will this make a large difference? Will it void my warranty (bigger tires weigh more, so we're not responsible for any suspension issues, battled that one with Chevy). The calculated tire heights are 32.07" (factory) vs 32.59". Really no differnce in calculated height. The factory tires are 43lbs and the KOs are 60lbs each.
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