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Our speedometer calibration calculator will get you the answer you are looking for. Enter your original tire size, your new tire size, and then play with the miles per hour to see how much faster you are going at different speeds.
Jan 18, 2024 · The speedometer gear calculator assists you in calculating the size of the gear you need for your vehicle's speedometer. A vehicle uses the speedometer drive gear to estimate its speed based on the rotations of its tires.
Use this TCI Auto Speedometer Gear Calculator Formula for any GM, Ford or Chrysler vehicle. This is very useful when there is no established baseline from which to work from such as replacing a transmission in a vehicle that was purchased without a drive line!
Speedometer Gear Calculator. Enter your tire size. Tire diameter may vary slightly depending on the manufacturer. If in doubt use manufactures posted diameter. Calculated tire diameter is: Change this to force a specific tire diameter. Effective loaded tire diameter is: Choose your rear axle gear ratio: Speedometer Gear Selection.
To determine your tires true diameter in relation to determining what speedometer gears you need, measure from the ground up to the center of the axle then multiply by two. The actual run out of the tire can be as much as 2 to 3 inches less than what the circumference of the tire measures.
A Speedometer Gear Calculator is a tool designed to help vehicle owners and mechanics calculate the correct speedometer gear needed to ensure accurate speed readings after modifications. This calculator takes into account the vehicle’s transmission type, tire diameter, and differential gear ratio to determine the appropriate speedometer gear.
If you changed the size of your tires but didn't re-calibrate your speedometer, you'll want to know how far off it is. Use this calculator to figure that out.
6 days ago · The Speedometer Gear Calculator is an essential tool for automotive enthusiasts, mechanics, and professionals involved in vehicle maintenance and customization. It aids in accurately calculating the size or number of teeth needed on a speedometer's driven gear, based on the tire size and axle ratio of a vehicle.
Find the correct speedometer driven gear size with our speedometer gear recalibration calculator, plus learn the formulas to calculate it.
Jun 16, 2023 · Speedometer Gear Calculator. Use the following calculator to input the necessary details and determine the correct corresponding gear tooth count for your speedometer:
