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Shifting-with-TREMEC Use this calculator to determine your gear ratio and vehicle's speed in any gear and any engine RPM for best performance. Scroll through the list of popular transmissions to find yours. Or, change input variables (engine RPM, axle gear ratio and tire height) to determine vehicle speed in each forward ...


Gear Ratio Calculator. Ring-and-pinion selection made easy! Save yourself the headache and let us figure out your ring-and-pinion gear ratio! Just type in your info (example: 5000 RPM), press calculate, and you'll get the right ratio without the guesswork.


Save the entries in the form for when you come back later. Or clear them entirely. Note that this will store the data locally on your computer. Nothing you do is tracked on the grimmjeeper server. Step 1: Select transmission from the drop down list or, if it's not in the list and you know the gear ratios of your transmission, enter ...


Ring Cog, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, Ring Cog. 11, 3.64, 3.73, 3.82, 3.91, 4.00, 4.09, 4.18, 4.27, 4.36, 4.45, 4.55, 4.64, 4.73, 11. 12, 3.33, 3.42, 3.50, 3.58, 3.67, 3.75, 3.83, 3.92, 4.00, 4.08, 4.17, 4.25, 4.33, 12. 13, 3.08, 3.15, 3.23, 3.31, 3.38, 3.46, 3.54, 3.62, 3.69, 3.77, 3.85, 3.92, 4.00, 13. 14, 2.86, 2.93 ...


To find your vehicle's RPM enter your Ring and Pinion Gear Ratio, Tire Height and Speed and press 'Solve'. Tire Height can be calculated via our calculator below and Ring and Pinion Gear Ratio can be determined on our Gear Ratio Calculator page.


Easy to use gear ratio calculator. Use our gear ratio calculator to find the correct gear ratio to run when changing tire sizes to keep your stock gearing.


Differential Gear Ratio Calculator Tools for Tire Diameter, RPM, and Gear Ratio from the technical experts at West Coast Differentials.


Gear Ratio And Tire Size Calculator. When you change your tire size you need to make sure you have the right gearing to get optimal fuel economy and power. A good way to calculate this is to multiply .12 by your Jeeps tire diameter (Example: .12 X 38" = 4.56). Here at Alloy USA we have a made an easy to read chart to ...


The selection of internal-gear hubs in the Calculator is complete except for one or two new models whose gear ratios have not been made public, and some very rare antiques. The selection of cassettes is fairly complete for Shimano, SRAM and SunRace. For brands and models not covered, or if building up a custom ...