Biggest tire size for 2010 Chevy dually

Wesley Dueck

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Joined
Jul 23, 2008
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3
My fire dept recently purchased a new 2010 Chevy cab & chassis duel rear wheel. We want to upgrade the tire size to bigger and more aggressive. It currently has the factory 225/75/17 tires. I really like the Firestone Destination M/T 245/70/17. But will the duals rub under heavy load? What are the biggest tires you would recommend? Truck is completely stock and i may crank the torsion bars if need be. Thanks
 
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