Rear end gear ratio calculator

RING GEAR TOOTH COUNT. Also calculated is the new gearing you would need in order to return back to your original gear ratio when going to a bigger or smaller tire.

My Tubbed 1970 Chevelle Wagon Wagons Parts 1970 71 72 Gm A Body Nomad Concours Greenbrier Estate Chevelle Wagons Wagon

Enter Potential Maximum Safe Engine RPM.

. Calculate Rear End Gear Ratio Needed. Input your stock and new tires sizes along with your original gear ratio. If your max Torque is at 3300 RPM use 3300 for the RPM.

Keep in mind that our calculator does NOT take into account drive train loss road and weather conditions or the skill of the driver. Weve Got Your Back. 273 308 342 and 373.

Jump on Board. The value will be returned in estimated differential gear ratio based on the entered values. TIRE SIZE CHANGE CALCULATOR.

Enter Tire Size Diameter. Enter your 14 mile race cars information into our calculator to see how well you will perform. Or change input variables engine RPM axle gear ratio and tire height to determine vehicle speed in each forward gear.

Rialto CA 92376 USA 1 310 361-0020. For the Tire Height field enter. This book provides a comprehensive reference for anyone wanting to study the way in which modern vehicle engines work and why they are designed as they are.

Back to Top. 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. Access Drag Performance Calculator.

Scroll through the list of popular transmissions to find yours. Heres a formula you can use to calculate your vehicles tire diameter. The left side of the calculator requires all three entries.

Rear End Gear Ratio Needed. Calculators to help you out. This calculator will help your hot rod or street machine get to the next level without red-lining your engine.

Standard Rear End s as Delivered From The Factory 1969-1989. Come Join Us Today. Just type in your info example.

Use this calculator to determine your gear ratio and vehicles speed in any gear and any engine RPM for best performance. These are 308 gears. The Gear Ratio Calculator will determine the ratio of a gear set based on the number of teeth on the ring gear and teeth on the pinion gear.

Bigger tires are more functional look better and rob you of power. 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 tire size diameter and the target vehicle speed in MPH.

Lets say the small drive has up to 21 teeth while the driven gear has 28 teeth. The book covers virtually all configurations of. Rear End Gear Ratio Calculator 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.

This calc can be used to find a new gear ratio. Understanding How Differential Gears Work. To do another click the Clear Values button and then enter a new set of values.

5000 RPM press calculate and youll get the right ratio without the guesswork. 23545ZR-1 235 x 045 x 2 254 17 25327. Engine RPM or revolutions per minute is defined as.

Most differentials nowadays will have a sticker on the outside with axle ratio information. Click on Calculate Differential Gear Ratio. To find the ideal gear ratio for cruising use your RPM at peak Torque.

The right side will show the results. The value will be returned in estimated differential gear ratio based on the entered values Also of Interest. Not Finding What You Need.

New Ratio Needed. Rear-End Differential Gear Ratio Calculator Enter the maximum potential safe engine RPM. Next find the new tire size on the left of the chart and.

Give Us A Call To Place A Customer Oder. Then change Richmonds performance gear ratios and beat your best time. CROSS SECTION WIDTH x 0ASPECT RATIO x 2 254 WHEEL DIAMETER OVERALL TIRE DIAMETER.

Scroll through the list of popular transmissions to find yours. Differential Gear Ratio Calculator. Click Calculate Gear Ratio.

In order to calculate the gear ratio you need to do the following. Use our gear ratio calculator to find the effective gear ratio your vehicle will have with a new tire size. Ring and Pinion Gears.

Enter the maximum potential safe engine RPM. Use our Differential Gear Ratio Calculator. Ad Weve Been Putting Racers In The Winners Circle Since 1964.

Hover over image to enlarge Calculate the Ring Pinion Teeth. Just type in your info example. To find the gear ratio divide the big number by the little number.

Save yourself the headache and let us figure out your ring-and-pinion gear ratio. One way to compensate for this is to swap out your differential gears. If you cant find a stamping or it is unreadable.

Rear End Gear Ratio Calculator. The RPM Calculator will give you an estimate of your engine RPM based on tire diameter and the gear ratio you select. In the example to the left 37 12 3083333.

If your max Torque is at 3300 RPM use 3300 for the RPM. This calculator are designed to give the approximate differential gear ratio based on data entered. First of all get each part and count the number of teeth they have.

And heres a formula that you can use to calculate your vehicles rear axle gear ratio. Enter the tire size diameter and the target vehicle speed in MPH. West Coast Differentials stocks a complete line of light duty axle parts for.

This book provides a comprehensive reference. Ring-and-pinion selection made easy. Third Member Case Only.

Spools and Mini Spools. Enter Desired Target MPH. Third Member Complete Assembly.

Driveshafts Drive Chains Couplers Yokes. Ring pinion gear ratio Tire height in Engine RPM Transmission gear ratio Imperial Metric Vehicle speed in MPH 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. Then you can always count all the teeth on the pinion ring gears.

Calculate Speed For Differential Gear Ratio Tire Size And Transmission Gear Tyre Size Speed Calculator

How To Identify Your Jeep S Axles Jeep Axle Jeep Xj