Quote:
Originally Posted by CWtheMan
Going up with a load range, say, from LRC - LRD is not a tire size change.
Going from a ST205/75R15 to a ST215/75R15 is a tire size change.
Your Keystone owner's manual will tell you to seek information/recommendation/approval from the trailer manufacturer. That owner's manual information is there because NHTSA mandated it to be there.
Bottom line: In the tire standards, rules, regulations world, only the vehicle manufacturer or a certified vehicle modifier have the authority for size/design/options changes.
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I just stumbled upon a post you made in 2018 “tire plus sizing” that seems to contradict this,as long as I make an auxiliary tire placard