Rear end ratio calculator

You can do this by multiplying by the gear ratio. Ring-and-pinion selection made easy.

Tire Gear Ratio Chart Tyre Size Automotive Mechanic Gears

Also calculated is the new gearing you would need in order to return.

. New Ratio Needed. Bigger tires are more functional look better and rob you of power. Enter the tire size diameter and the target vehicle speed.

Just type in your info example. Next find the new tire size on the left of the chart and. You should be able to find your gear ratio listed on the axle tag however if that has gone missing you can simply count the number of teeth on each gear and divide the number of ring gear.

If your max Torque is at 3300 RPM use 3300 for the RPM. TIRE SIZE CHANGE CALCULATOR. Divide the New Tire Height measured in inches or CM by the Old Tire Height then Multiply by the Original Gear Ratio.

Use our gear ratio calculator to find the effective gear ratio your vehicle will have with a new tire size. Heres a formula you can use to calculate your vehicles tire diameter. This calculation is used to match.

Rear End Gear Ratio Calculator. Save yourself the headache and let us figure out your ring-and-pinion gear ratio. To find the ideal gear ratio for cruising use your RPM at peak Torque.

Scroll through the list of popular transmissions to find yours. Calculating the torque multiplication that your axle gears provide is quite easy. Calculate Rear End Gear Ratio Needed.

Axle ratio or rear end gear ratio is calculated by dividing the number of teeth on the ring gear by the number of teeth on the pinion gear. Enter the maximum potential safe engine RPM. The formula for determining an appropriate gear ratio is fairly simple.

Enter the required Overall Width Pinion Offset location Brake Space and DrumRotor thickness to find axle length and housing width. CROSS SECTION WIDTH x 0ASPECT RATIO x 2 254 WHEEL DIAMETER OVERALL TIRE DIAMETER. With our RPM calculator you can calculate your engines RPM based off of your vehicles speed tire diameter rear gear ratio and transmission gear ratio.

Use this calculator to determine your gear ratio and vehicles speed in any gear and any engine RPM for best performance. This calc can be used to find a new gear ratio. Keep in mind that our calculator.

Engine RPM or the speed at which the engine turns can be calculated at any speed given the vehicles tire size axle ratio and final transmission gear ratio. Using the chart first determine what your original gear ratio and tire size are then follow the lines to find your approximate RPM at 65 MPH. This book provides a comprehensive reference.

For instance if both the engine and transmission. Calculate Rear End Gear Ratio Needed.

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