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Tires are way off spec... usually under 4% error is fine. For performance 18" is the way to go.
Specification Sidewall Radius Diameter Circumference Revs/Mile Difference
245/30-20 2.9in 12.9in 25.8in 81.0in 782 0.0%
295/35-20 4.1in 14.1in 28.1in 88.4in 717 9.1%
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