How Do You Find A Truck Axle Ratio?
Knowing your truck’s axle ratio is important information if you are reprogramming you speedometer computer or want to replace the gears to retain your truck’s stock acceleration after installing larger or smaller tires. This is an important consideration, given the fact that increasing tire size effectively reduces your truck’s axle ratio, causing it to feel as if it had higher gearing than it does. While this can indeed be good for gas mileage, it does significantly decrease the amount of torque your truck puts to the ground, and thus its acceleration. Chock the front tires, and ensure that the wheel chocks are securely bearing the weight of the vehicle. Place the jack on one side of the axle, raise your vehicle so that the tire clears the ground by 2 to 3 inches and insert the jack stand. Reverse operation on the other side of the vehicle, making sure the entire rear end is raised from the ground. Duct tape the string end of the plumb bob to the fender above the tire, so that so the
