Find new Gear Ratio with new tire size

Find new Gear Ratio with new tire size : If you fit bigger tires the overall gearing of your truck change - sometimes so much that you loose power and the truck is not happy going uphill or when towing. This calculator will get you back to a ratio that's closer to your original.

New Tire Diameter:  
Old Tire Diameter:  
Current Gear Ratio: 

New Gear



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