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Mar 17, 2023 · There are three elements involved in determining the best gear ratio: engine rpms, vehicle speed, and tire diameter. Below is a gear ratio chart showing what your engine RPMs would be at 65 MPH based on your tire diameter and differential gear ratio in third gear (1:1 transmission ratio).
Use our simple Gear Ratio Calculator to quickly find the correct gear ratio for your ring and pinion gear set. Save yourself the headache and let us figure out your ring-and-pinion gear ratio! Select the value you want to solve for. For the Tire field, enter your tire diameter in inches.
Use our Differential Gear Ratio Calculator page to determine the best ring and pinion gear ratio for your vehicle. Installation of the correct ring and pinion gear ratio will help optimize performance, fuel economy and overall driveability.
Knowing your rear end’s gear ratio is crucial when you are considering a transmission upgrade, needing to calibrate the speedometer gear in your transmission, selecting the proper gear sets in a transmission, or even getting professional help with a new axle ratio for your application.
Jun 27, 2014 · If you're going to tow trailers or haul heavy loads, you should understand axle ratios and how they affect performance and fuel economy.
Our Differential Gear Ratio Calculator can help you select the correct gear ratio to maximize the performance of your vehicle. The addition of larger tires can greatly decrease performance and fuel economy. Choosing the right differential gear ratio will help regain lost power and torque.
This calculator will provide the speed of the vehicle based on transmission gear ratio, engine RPM, tire height, and the ring gear and pinion gear ratio in the rear end axle differential housing.
