transfer case gear ratio calculator

The data provided here is done The basics of gears and why you would want to change them | Since I made this spreadsheet, and decided to go with 4.10’s, I have been very happy with my setup both on and off the road. Solving For Crawl Gear Ratio.

Solve for your Transmission Ratio. Math Geometry Physics Force Fluid Mechanics Finance Loan Calculator. Because changing the transmission and transfer case gears is often more involved and expensive most users first consider changing the differential gears if they want to change the overall gear ratio of their drivetrain.

If you don’t know how differentials work then I highly recommend this great video explaining just that. The lists of available equipment will probably never be complete. probably never be complete.

Enter Your Own NumbersAdvance Adapters RubicrawlerAtlas 4 Speed range boxKlune V Goliath (2.73:1)Klune V David (4.00:1)NP203/205 DoublerNP231 Crawl BoxOff Road Designs Magnum BoxOTT Industries Kicker (Sidekick low range)Toyota 2.28 DoublerToyota 4.0 DoublerToyota 4.7 DoublerToyota 5.7 Doubler, The following chart lists the final drive ratio of all combined gears (transmission, Enter your transmission, transfer case, and axle gear ratios into the left side of the form below and press the calculate button to find your final crawl ratio. However, as soon as you start swapping out or adding aftermarket parts you might see a decrease in performance. See Our Blog. This calculator is fairly new and still in testing, graphing times may be up to 8 seconds. Truck Norris | The following chart lists the road speed you will be going while the engine is at a given RPM. Also note that while gear ratios are technically a ratio of some number, often in relation to one (such as 4:1 or “Four to one”) for ease of readability the entire spreadsheet drops the “:1” and it is assumed. The differential gear ratio can only be changed by physically installing different gears before you hit the trail. Using the driverside.com website I was also able to fill in the specs for friends vehicles to compare to. Crawlpedia is proudly supported by Filthy Motorsports, a specialty off-road racing and 4x4 parts shop in Boulder, Colorado. Select Lower Set Ratio. Jeep® is a registered trademark of of Increasing the tire size and/or changing the type, such as from a road tire to a mud terrain, means you’ll see a difference in performance because the new tire will require more torque to turn, you will see changes with lower mpg’s, and feel it become more sluggish while driving. Honda / Acura Transmission Calculator v.15 BETA . It's a simple formula.

Note: This calculator is continually being updated.

Wheel Measurement Guide, Coilover Spring Rate Calculator Because this impacts both on road and off road performance I wanted to understand how new gears would impact my vehicle across both ends of the performance spectrum. Finally the differential gear is fixed and is a ring and pinion gear set located in the front and rear differentials of the vehicle. With some automatics, there will be some slippage but this should still get you in the right ballpark. We are interested in the combination of 5 factors which make up the gearing. Visit Our Site For More Information. Step 1: Select transmission from the drop down list or, if it's not in the list and you know If I ever upgrade to 35in tires the RPM increase drops only a little, to just over 400 or 670 respectively. Facebook.

Disclaimer: This form is only to be used for estimation purposes. You can see in the table that it has a 3.84 first gear, 0.83 overdrive gear, the transfer case 4-Low ratio is 2.62, and the OEM differential gearing is 3.36. Enter Your Own Numbers 4x4 and … Enter your axle gear ratio, tire diameter, vehicle speed, and transmission gear ratio in the blue fields and click the calculate button to find your engine RPM. Quick Change Without Rears Transfer Ratio; Gear Ratio Tooth Count UNDERDRIVE OVERDRIVE; 1.000 32/32 1.032 31/32 1.065 31/33 Off-road drivers and rock crawlers build their vehicles with low (numerically high) crawl ratios because not only does that increase torque at the wheels, it allows for better throttle response for low speed, technical driving.

Multiply your first gear, times your low range transfer case gear, times your differential gear. the gear ratios of your transmission, enter them below. Enter your original and new tire sizes into the table below and select a base speed to …

Here is where our tire size and speed inputs are used. CONNECT. For example, I can see that just by stepping up to a 4.10 gear ratio in my differential means I’ll have a higher ratio than my friends driving non-Rubicon JKU’s, Toyota Tacomas and Chevy ZR2’s! Finally the differential gear is fixed and is a ring and pinion gear set located in the front and rear differentials of the vehicle. Welcome to our new online ratio calculator, This software is designed for you to accurately compare and calculate the gear ratios of your landrover when the gearing is changed from stock by different tyres etc. This is generally done because all the gears in the drivetrain installed at the factory were specifically chosen to work well with the OEM engine and tire size, and have been optimized to give the right amount of torque for the performance envelope they desired while also delivering the best fuel economy.

The total gear ratio of the vehicle is calculated by multiplying three different gear ratios together. I wanted to make sure that my total gear increase would be enough to accommodate a larger tire size in the future and still give me a mechanical advantage over the OEM gearing. Save yourself the headache and let us figure out your ring-and-pinion gear ratio! Solve for your Differential Ratio. I really appreciate the extra torque I have now while off roading, and in many situations can let the vehicle almost crawl over obstacles on it’s own, or engine brake much more effectively going down hills. You can also follow this site on Before the gearing upgrade I just didn’t feel like I had any torque on the highway, and struggled to accelerate up long hills without just flooring it. Enter your transmission, transfer case, and axle gear ratios into the left side of the form below and press the calculate button to find your final crawl ratio. Here is where you put in that info to match the tire size and speed ranges that encompass the performance envelope and possible upgrade path for your vehicle. transfer case, enter them below. four wheel drive rear axle differential, transfercase low range and transmission ratios, Online Web Apps, Rich Internet Application, Technical Tools, Specifications, How to Guides, Training, Applications, Examples, Tutorials, Reviews, Answers, Test Review Resources, Analysis, Homework Solutions, Worksheets, Help, Data and Information for Engineers, Technicians, Teachers, Tutors, Researchers, K-12 Education, College and High School Students, Science Fair Projects and Scientists By Jimmy Raymond Solve for your RPM. It's easy, affordable and very effective, just contact us to get started! Home. Since I was considering upgrading my 3.36 factory differential gear ratio up to either 4.10 or 4.56 I made two new rows for my vehicle with everything the same except the diff gears.

Remember, the yellow section (crawl ratio) is only for output only, do not type anything in this box. Conversions: rear axle differential … We’ll also just discuss the first number throughout this post. You'll need to do a little research by finding out the transfer case and transmission ratios first. Enter your transmission, transfer case, and axle gear ratios into the left side of the form below and press the calculate button to find your final crawl ratio. Solve for your Crawl Ratio. Contact: aj@ajdesigner.com, if ring and pinion ratio is 4.10:1 use 4.10, determine new gear ratio after a tire size change. transfer case low range ratio. To find the street legal laws for your state including maximum suspension lift heights and tire size rules visit LiftLaws.com, Copyright © 2019 Crawlpedia All Rights Reserved | Privacy Policy | Contact Us. Enter your original and new tire sizes into the table below and select a base speed to calculate your speedometer's offset and your vehicles actual speed. Grimm Jeeper | Information on donations | Solve for your MPH. It's easy, affordable and very effective, just contact us to get started! I know a few friends have already requested this spreadsheet and so if you’re reading this I hope it can help you too! Road speed is calculated based on the transfer case and underdrive being in high range. transfer case, underdrive, axle) in all possible combinations. The following chart lists the RPMs your engine will be turning while driving at a given speed.

Nothing you do is tracked on the grimmjeeper server. Backspacing and Offset Conversion

Solve for your Crawl Ratio. Honda Transmission Gear Ratio Calculator. If your vehicle (or friends vehicles) aren’t on the list add them and their specs at the bottom of the table in the rows labeled “Enter Your Vehicle Here” and “Enter Your Friends Vehicle Here.” Then add the 1st, overdrive, 4-Low, and diff gear ratios in the proper columns replacing the orange question marks. Clicking on the Transmission or TransferCase links will jump to bottom of this page. Copyright © 1997-2020 4Lo.com

Or clear them entirely This software is designed for you to accurately compare and calculate the gear ratios of your landrover when the gearing is changed from stock by different tyres etc. Metric. On the other end of the spectrum my driving on the highway has also improved, giving me just a little more torque when I need it, but not driving my RPM’s through the roof. If you know your gear ratio and tire size you can get a fairly close idea here. The last section of the main table calculates your engine RPM’s in different driving scenarios, taking into consideration the gearing combination that would be in use for each. The lists of available equipment will probably never be complete. None That to me is less of a big deal, but is important to note. While my RPMs increased across the board I think I used to have to drive at a higher RPM just to get the torque I needed in my daily driving.

We can also calculate my gear ratio during highway driving by assuming I’ll be in 2-Hi and in overdrive. grimmjeeper@gmail.com

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