- Joined
- Oct 26, 2024
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- 2
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- Southern California
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I am running 40 on my KO3, 285/70/17. Called the manufacturer and was told that that is the optimal for our truck. Rides is a tad bouncy, but will help in maxing out the tread life of the tire per manufacturer. I am just winging it and going by what they said, hoping they are right. 
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