Jeep Jk Stock Gear Ratio

Taking the road less traveled has never been more fun than with this 4WD. Jeep JK HD Weld-On Front Track Bar Bracket, 2. If you like to row gears, the JK's six-speed manual will keep you busy. 44 Fourth Gear 1. 21 Ratio Gears Only* $0. 10 ring & pinion; Mopar Performance Jeep Rubicon Recon Edition heavy duty housing. When you do your calculation, you are better off having the engine spin somewhat faster than stock (higher numeric gear ratio, aka lower gear). I have a 2016 Jeep Wrangler Unlimited Rubicon. Oversized tires require higher ring and pinion ratios to restore performance. 13s and with the auto it has. 88 Ratio Ring and Pinion Gear Set for Dana 30 4. 8 so I think that means i am done but what if I decide to swap my gears, does that mean your tuner cant program the new gears for me?. Utilizing the strongest and latest generation, high pinion Dana 44 gear design, they have developed a whole new housing that allows you to upgrade from a Dana 30 front axle. Bright White Clearcoat 2018 Jeep Wrangler JK Unlimited Sahara 4WD 5-Speed Automatic 3. 21 gears to simply comply with government mandated fuel consumption laws otherwise every Wrangler would have 3. For 2015 - 2018 Jeep Wranglers this needs a different bracket. 21 gears are only suitable for the base sport automatic with 29" tires. I have stock 4. Showcasing lots of dana spicer this week. Jeep ® "Small SUV" sub-segmentation based on small sport and cross utility vehicles including Mini Countryman, Buick Encore, Honda HR-V. This week, TeraFlex took delivery of an all-new 2018 JLU Jeep Wrangler Unlimited Rubicon finished in Billet Silver Metallic Clear Coat paint over Black leather interior. Designed specifically for the Jeep Wrangler JK, 2007 to present. Need MPG information on the 2018 Jeep Wrangler JK? Visit Cars. These special gear packages include everything you need to re-gear a Jeep. Introducing the Superchips Flashcal F5 for 2007-2018 JK Wrangler PN. Get detailed information on the 2008 Jeep Wrangler including specifications and data that includes dimensions, engine specs, warranty, standard features, options, and more. Get unstuck faster: Reducing the overall weight of your Jeep equals reducing the inertia to overcome when you get stuck. 13" ring gear - used 87-95. 10 gear set in their Dana 44 axles. For 2007, an optional 4. YES WE FIT Right Hand Drive Jeep Jk's; Initial testing has found that in stock form the 3. 33 Third Gear 1. The chart is showing the motor as 3. The JK was an evolutionary step in the Jeep design, and this design includes all the standards such as a separate body and frame, front and rear rigid live axles, a fold-flat windshield, and can be driven doorless. Jeep Vehicles Spotters Guide What kinda Jeep is that? page 1 page 2. This package comes complete with a 2-Year Warranty and is available in 4. I just measured the factory tires(255/70/18) on my 2013 Sahara and they are 32. When regearing a JK Dana 30 that currently has a ratio numerically lower than 3. 5" Axle Tube Features: Compatible with all lift heights, bracket can be trimmed for track bar bracket heights from stock, 1", 2" +3" over stock height. 31 gears for the Jeep axles. A chart showing optimal gear ratios for lifted vehicles with larger tires to obtain the best power ratio. If your tires are bigger than stock you probably, like myself, have spend a lot of time trying to WAG (wild ass guess) your actual MPH when going down the road. This Vehicle is equipped with: 2013 Wrangler Sport Manual Transmission. 10 axle gears return a 73. The stock gear ratio tends to vary depending on the year and package your Jeep has. A popular upgrade is a lift and 37" tall tires. Jeep ® "Small SUV" sub-segmentation based on small sport and cross utility vehicles including Mini Countryman, Buick Encore, Honda HR-V. Let our vast OEM Jeep parts knowledge help you get the right part at the best price. If you're looking for a way to provide proper maintenance to your front and rear differential, then you might want to try the Yukon Non Rubicon Dana 30/44 Gear Package and Master Overhaul Kit. 13 Gears Trust me, if you're planning on running 35", 37" or bigger tires on your 2012-Up JK, you really will be doing yourself a BIG favor to get it re-geared at the same time. 3K JK – From Stock to Trail Worthy with $3K -ish Build a trail worthy Jeep from a stock JK for around $3000. Front Measurement Charts. 30 for Gen1 , 3. Dana 44 Jeep JK Rubicon applications, all gear ratios, and 30 spline axles. Numbers are good but gear ratios on paper are nowhere close to realistic when you actually drive the Jeep with all the variables the world throws at it. Th e 6L80 features a generously deep first gear for an automatic, making for favorably powerful starts from a standing stop. For stopping power, the Wrangler (JK) 3. Aisin AX15 Gear Ratios First Gear 3. muncie 4 speed m22 ultra wide ratio gearset. Experience the thrill and ease of tailoring your Truck or Jeep with our Guaranteed Lowest Prices on all G2 Axle and Gear Ring and Pinions products at 4WP. Shop by Brand > Auburn Gear > ECTED Max > Jeep (AMC) Shop by Brand > Auburn Gear > ECTED Max > Dana Spicer Products > Carrier by Axle Application > Dana > Dana 30 Products > Carrier by Axle Application > Jeep > Dana 30 Jeep > Jeep JK, 2007 & Newer > Models without Rubicon Package > Traction Devices > Lockers. 73 axle ratio that comes stock now is where the Jeep engineers wanted the engine performance to be at with stock tires. Let's be honest - sometimes the best gear ratio calculator is the one that is easy to use and doesn't require us to even know what the gear ratio formula is in the first place! But if you want to know the exact formula for calculating gear ratio then please check out the "Formula" box above. If the ratio is too high (low numeric number), then the engine will lug, and burn more fuel. 88 Package 4. The New Gear box will show the ideal gear ratio (getting as close to stock as possible). OK, so I've read a couple threads here on gear ratios vs. If you like to row gears, the JK's six-speed manual will keep you busy. Winches - Lifts - Lighting - Suspensions - Shocks River City Offroad - Your source for Jeep and 4x4 aftermarket parts and accessories. What website can I use to check the vin number on my jeep to tell me the stock gear ratio? What website can I use to check the vin number on my jeep to tell me. However, the smaller model's continuing popularity caused Chrysler executives to rethink this decision, and while the ZJ models were introduced in 1993, the XJ models were retained until 2001. The major components such as the traction motor and motor driver, battery pack, vehicle control unit (VCU), DC-DC converter, on-board charger, etc. Stock 2013 Jeep Wrangler JK with 35″ Tires. 88 Ratio for 07+ Jeep Wrangler JK Rubicon. The Truth about Gears and Tires If this is your first visit, be sure to check out the FAQ by clicking the link above. Miller Chrysler Dodge Jeep Ram 104th in Thornton, CO, 80234-3602. Firstly, you're asking about axles. Check out the installation and performance. 46: Gear Ratios 2nd All-new 2007 Jeep Wrangler Jeep® Elevates Icon: Introduces All-new Jeep Wrangler. Complete your 1 Ton Swap off by providing the JK computer correct data and eliminating codes and limp mode issues. 10 would serve fine as the base gear ratio for the JK. Based on the worm gear principal and works like clutch type positraction. 5 MPG less than my Sahara did with the same 35 duratracs on both) but the 4. NSG is an acronym for the German "Neues Schaltgetriebe"; literally meaning "new switching transmission" or "new manual shifting transmission". You can't tell me that 3. Because of the special design of the stock JK Dana 30 carrier, new thrust washers are also required. CARFAX One-Owner. Miller Chrysler Dodge Jeep Ram 104th in Thornton, CO, 80234-3602. JK PROCAL MODULE FOR 2007-2018 JEEP WRANGLER JK JK PROCAL MODULE $170. The front axle has an 8. If your tires are bigger than stock you probably, like myself, have spend a lot of time trying to WAG (wild ass guess) your actual MPH when going down the road. 6-liter V6 that powers every other new Wrangler, running through a part-time 4WD system that has a 4. Suspension Lift Kits, Leveling Kits, body lift, Ford, Chevy, Jeep, Dodge, Toyota, Mickey Thompson Tires. 10, it may cost you a MPG or 2 depending on how you drive(I drive like a jacka$$ and my Rubi gets about 2. Nitro Gear GPJKRUBICON-4. Since the JK Wrangler is not known for being a powerhouse and many owners have saddled what mediocre power their 3. This is what you should expect to get out of your 2012-2016 Jeep Wrangler Unlimited with 3. 32RH: The 32RH three speed automatic transmission was used in 1992 to 1995 Wrangler with 4. This allows them to withstand the loads produced by larger tires and low gear ratios. Call 844-722-8195. The Ford-style manual hubs are internally-splined rather than held on with 5 or 6 bolts like most others, which makes them stronger and less prone to leakage. 8L CRD diesel Wranglers with manual transmissions. Need MPG information on the 2018 Jeep Wrangler JK? Visit Cars. Used (normal wear), Rear Dana 44 with ARB steel cover and complete with calipers, rotors. This calculation is used to match oversize tires with new ring and pinion gears to obtain the desired engine RPM at highway speed. The 2018 Jeep Wrangler manages to improve its abilities both on- and off-road without diluting its go-anywhere, do-anything appeal. The stock gears for the Jeep Wrangler Unlimited model is 3:73 ratio. While many JK owners are choosing a 5. Can I use the ProCal to change gears on my 2012+ JK? Yes! As you may know, the new trans controller on 2012+ JK’s will put the transmission into limp mode if it detects a change in the axle gear ratio. 5″ to be exact. Ultimate Dana 44™ Front Axles: Built Tough for Off-Road. The vehicles factory driveshaft will require modification or replacement to accommodate the larger 70 series housing and 1350 series u-joint. 10's don't even know the 35's are there and while the 3. You can run this size without issue. Enter the values on the left and press Compute, the gear calculator will take care of the rest. 6 V6 Rubicon Auto braking system includes Vented Discs at the front and Discs at the rear. Other than a handful of the first JK models built in. Introducing the Superchips Flashcal F5 for 2007-2018 JK Wrangler PN. JK Parts Discussion (2007+ Jeep Wrangler) Hemi Swap and gear ratios help please and I swapped out the stock 3. The 3rd generation Jeep Wrangler is the JK model that was introduced to the market in 2006. 10 would serve fine as the base gear ratio for the JK. Yukon Gear & Install Kit package for Jeep JK Rubicon, 5. 2018 *Jeep* *Wrangler JK Unlimited* Unlimited Rubicon SUV - $52,900. Use part number 4761678GP. 6 V6 Rubicon Auto braking system includes Vented Discs at the front and Discs at the rear. The first Jeep Wrangler Unlimited was clearly a low-budget effort, based on work done for the Egyptian military; but sales were impressive enough to bring about a much more complete 2007-2010 Jeep Wrangler Unlimited. Our applications include Front Axle, Rear Axle, Yokes, U-Joints, Front Drive Shafts and Rear Drive Shafts for all Jeep® models. The transmission will also spend less time in OD, and hunt in and out frequently. Our engineers haven't wasted any time taking the stock rig off-road for baseline testing as well as compare its capabilities to the outgoing JK/JKU model. I have a 1983 Jeep CJ7 258 6 cyl, 4sp manual dana 30 front axle/amc 20 rear. Check out our awesome gear ratio calculator for all the stats you'd ever want to know on changing your tire size. 7 YEAR 70K MILE JEEP FACTORY EXTENDED TRANSFERRABLE WARRANTY 35x12. The width of the axle shafts is 1. 10 gear ratio. Another option is to replace the NP231 entirely with Advance Adaptors' new Atlas II transfer case,. Currie correct lync front tie rods and drag link “Jeep frame was cleaned and primed with PPG epoxy primer and top coated with black urethane. Dana 30 front axles have a 7-1/8″ diameter ring gear and come standard on Sahara and X model Jeep JK Wranglers with a gear ratio of 3. 72 low range. FCA uses 3. Trail-Creeper T-Case gears are available in 21 and 23 spline configurations. I'd like to give him some street performance and still have. 50″ and 35″x12. it is a used 2011 red 2 door jeep sport with tons of upgrades and was owned by a Rebel offroad employee prior to me owning it. 73, a new front carrier is required. JK RE-Gear Package Kit includes: Front Ring & Pinion Rear Ring & Pinion. Hypertech’s Speedometer Calibrator can correct the speedometer and odometer for tires up to 54 inches (depending on the application), and/or non-stock rear gear ratios. 10 (which they say is Stock gear ratio. Jeep JK HD Weld-On Front Track Bar Bracket, 2. WITHOUT TAKING THE INSPESTION COVER OFF,I. 07 & UP JEEP JK ROCKJOCK 60 REAR W/STOCK SET 10 WHEEL BEARINGS*. I have stock 4. Winches - Lifts - Lighting - Suspensions - Shocks River City Offroad - Your source for Jeep and 4x4 aftermarket parts and accessories. Shop by Brand > Auburn Gear > ECTED Max > Jeep (AMC) Shop by Brand > Auburn Gear > ECTED Max > Dana Spicer Products > Carrier by Axle Application > Dana > Dana 30 Products > Carrier by Axle Application > Jeep > Dana 30 Jeep > Jeep JK, 2007 & Newer > Models without Rubicon Package > Traction Devices > Lockers. 38's without using custom axles under the Jeep. For 2015 - 2018 Jeep Wranglers this needs a different bracket. 72 low range. Complete your 1 Ton Swap off by providing the JK computer correct data and eliminating codes and limp mode issues. 12 by your Jeeps tire diameter (Example:. 6-liter Pentastar V-6 engine delivers 285 horsepower and 260 lb. I would like to know which gear ratio I should up grade to. 2014 JK-8 Wrangler 1 of approximately 20 that will be built for the entire US market for 2014. What is the gear ratio in my rear end in my jeep wrangler x, ive heard it is 307 and i was going to get a 4 inch lift with 33s or 34s and i was thinking that would be a good near stock ratio. Get a Price Quote on a 2012 Jeep Wrangler Unlimited. I'd like to give him some street performance and still have. Buy a 2015 Jeep Wrangler Differential Ring and Pinion at discount prices. The New Gear box will show the ideal gear ratio (getting as close to stock as possible). com and get the latest information, as well as detailed specs and features. My son's Jeep has a low rear-end gearing. Details about Nitro Gear GPJKRUBICON-4. Electronically controlled engine torque helps you move smoothly through every gear. 12 by your tire diameter. Related Questions. 71 and a second-gear of 3. You will reuse your stock spider gears. Low pinion design for maximum gear strength. This is a true, bolt-in doubler that couples to the stock Jeep transfer case or an existing Atlas transfer case. JEEP IDENTIFICATION NUMBER E K KK S T ss l-r 3241 253 3241 254 3241 255 3241 256 5200861 3. JK Gear Ratio's. In 2008, this was changed and the only optional factory gear ratio now available is 3. Trouble is, nobody makes 4. 44 Fourth Gear 1. 13 Gears Trust me, if you're planning on running 35", 37" or bigger tires on your 2012-Up JK, you really will be doing yourself a BIG favor to get it re-geared at the same time. Stick with 33's until you can get a lift and a re-gear, or at least a superchips tuner and run premium. This will be one of the rarest Jeeps of all time and is sure to be a future collectors Jeep. 2007-2010 Jeep Wrangler Unlimited: four doors, from the start. The first Jeep Wrangler Unlimited was clearly a low-budget effort, based on work done for the Egyptian military; but sales were impressive enough to bring about a much more complete 2007-2010 Jeep Wrangler Unlimited. 8l only produces 133 Wheel Horse Power (WHP) on stock tires and gears. They have a ring gear diameter of 7 and 1/8 inches. I installed Detroit lockers and 4:56 gears front and rear on my friends Wrangler, tires measure 37" tall and programmed that in on the scanner function and verified the TIPM was programmed with that size at the Dodge dealer using WiTech. Re-gearing axles is a great idea after installing larger tires to restore power and fuel economy. 12 X 38" = 4. I recently bout an '07 Unlimited X 4wd and I have read that there are 2 available gear ratios, 3. That would give me lots of gearing for mud and hill climbs, decent power at a higher RPM on the highway, and the usual horrible MPG like I expect out of my jeep (only worse than stock)! Stock gearing in my jeep is 3. Easy Jeep Wrangler YJ, TJ, & JK Upgrades with Performance Parts from K&N Filters Jan 6, 2015 Owners of Jeep Wrangler YJ models with either the 2. Other width options available or call for custom width. Rubicon models come straight out of the gate with a stronger front end than non-Rubicon models. 0 Jeep Wrangler Sport? 1 2 3. Rubicon models come straight out of the gate with a stronger front end than non-Rubicon models. I would like to know which gear ratio I should up grade to. Bright White Clearcoat 2018 Jeep Wrangler JK Unlimited Sahara 4WD 5-Speed Automatic 3. The JK in stock form will easily fit 32″ tires (32 was the largest tire size available from the factory). 55 gear ratio he recommended for his 33's will end up driving well or even close to it. 2018 *Jeep* *Wrangler* *JK* Unlimited Sport 4x4 Auto Hardtop Lifted - $32000 (Jeep Wrangler) < image 1 of 24 >. If you only rotate the tire once, then 1. For Jeep Wrangler ® aftermarket axle and driveline components, genuine Dana axle and Spicer ® drivetrain products offer an OE factory-grade fit that will help you achieve. The front axle has an 8. Put it on jack stands and rotate the rear tire while counting the revolutions of the driveshaft. Also bad for fuel economy. 8 Liter mini van engine, we took a slightly different route. YES WE FIT Right Hand Drive Jeep Jk's; Initial testing has found that in stock form the 3. THE REASON I ASK IS THAT I FOUND A FRONT END THAT ALLREADY HAS EVERYTHING THAT I NEED,BUT I CAN'T READ THE ID TAG VERY WELL. Dana Spicer 2018737 DANA 44 GEARS 4. Running 35's on a stock front sport axle is asking for trouble. Although New-Cars. This page is a Differential Gear Ratio Chart for comparing tire size to axle gear ratio and the combined effect on power and fuel economy. This gear calculator will get you back to a ratio that's closer to your original. This allows you to choose the appropriate gear. Designed specifically for the Jeep Wrangler JK, 2007 to present. 00 PN: 30406007AG OUT OF STOCK JK PROCAL MODULE AEV’s ProCal Module for the 2007-18 JK Wrangler is a hand-held powerhouse! This essential tool provides JK owners an easy, low-cost way to make a variety of useful changes not offered by the dealer or any other re-programmer. check for a metal tag on one of the differential cover bolts it will give you the manufactur date and gear ratio , but need more info like engine size ,auto or manual transmission and year, in order to tell you in this answer. Reasons to buy a 2016 Jeep Wrangler 2016 Jeep Wrangler - Review 2016 Jeep Wrangler Unlimited - Photos 2016 Jeep Reviews 2016 Jeep Wrangler Unlimited - Price Quote. 8 braking system includes Vented Discs at the front and Discs at the rear. , are all new. A whole slew of axles have been available to Jeep builders for decades, and Dana 60s are nothing new, however when Mopar included a set of direct bolt-on Dana 60s for the JK and JKU in their Jeep Performance Parts Catalog it changed the game. Pictures, pricing, & information on this new Jeep Wrangler JK Unlimited. This kit comes complete with Yukon ring and pinions for both the front and rear axles, and each kit inclues master install kits. The AutoStick feature offers driver-selectable control to manually change gears. Also available Gear and Pinion only. Hey guys, I have looked over the net for hoursdays on this subject, even asking the guys at the Tuning school after taking the Hellcat courses. com checks with auto manufacturers and their representatives to confirm the accuracy of the data, it makes no guarantee or warranty, either expressed or implied with respect to the data presented here. 8 so I think that means i am done but what if I decide to swap my gears, does that mean your tuner cant program the new gears for me?. Home » Knowledge Base Articles » Jeep 2007-2011 Wrangler Unlimited JK Specifications Jeep 2007-2011 Wrangler Unlimited JK Specifications Factory specifications for the 2007 Jeep Wrangler Unlimited JK. The major components such as the traction motor and motor driver, battery pack, vehicle control unit (VCU), DC-DC converter, on-board charger, etc. Wranglers that are equipped with the Rubicon package typically come with the 4. Save Big; Original Price was $35,935. ROcK-tRAc ® 4x4 systEM At the heart of the masterful capability of Wrangler Rubicon ®. This allows you to choose the appropriate gear. In Stock (149) Brand Yukon Gear 5. Measurement Charts and Grease Information (Click Any Picture to Enlarge) Factory JL Yokes. Related Questions. 21 is even an option for a new Jeep is beyond me. 474 3rd gear / 1. The 3rd generation Jeep Wrangler is the JK model that was introduced to the market in 2006. If you're looking for a way to provide proper maintenance to your front and rear differential, then you might want to try the Yukon Non Rubicon Dana 30/44 Gear Package and Master Overhaul Kit. Overall Top Gear 2. For example, a 3. The transmission will also spend less time in OD, and hunt in and out frequently. 11 gears would bring the jeep back to "stock" ratios the tj did come with 31" tires and the 33" tires are not really that different BUT the jeep you have likely had 215 75 15 tires which are around 29" high. 21 (which is standard) and a 4. use this with 2. I was reviewing it against gear ratio vs. 88:1 Ratio. Jeep JK - Flashed TCM. 50″ – the 35″ rubbing slightly. Gear Ratios 1st : 4. 88 Package 4. 2017 Jeep Wrangler Dimensions Jeep Wrangler Cargo Space The two-door Wrangler has a below-average cargo capacity for the class: 12. 21 gears are only suitable for the base sport automatic with 29" tires. We have a large selection of gear sets in stock and can recommend the correct gear ratio to match your engine horsepower, transmission specs and tire size to give you the desired performance. Showcasing lots of dana spicer this week. Dana 30: This axle size is the most common, and you'll only find it on the front of Jeep. That means a very high level of inertia. So I was reviewing my build sheet on my new JKU and the rear gear ratio is 3. The Dana 30 doesn't come with any factory LSD or locking differential. Get Up to Up to 10% off MSRP discount available on the purchase of most in-stock 2019 Jeep Compass models (excludes Sport 4x2 models in Quebec). Ultimate Dana 44™ Front Axles: Built Tough for Off-Road. Two popular options for the YJ are to get a new planetary gear from 4-to-1 Manufacturing that reduces the stock NP231's 2. The vehicles factory driveshaft will require modification or replacement to accommodate the larger 70 series housing and 1350 series u-joint. Re-gearing axles is a great idea after installing larger tires to restore power and fuel economy. com checks with auto manufacturers and their representatives to confirm the accuracy of the data, it makes no guarantee or warranty, either expressed or implied with respect to the data presented here. Visit Jeep for more information on the Jeep Wrangler Unlimited. 5″ to be exact. For those reasons it is a "no-brainer" that a JKS front adjustable track bar be an integral part of all JSPEC™ JK suspension systems. Our engineers haven't wasted any time taking the stock rig off-road for baseline testing as well as compare its capabilities to the outgoing JK/JKU model. Can you run 35's on JK Auto with stock gears and auto transmission? Does anyone know if there are issues with Gear ratio changing to 35s on JK with an Auto transmission? 2009 Wrangler Unlimited, 2" Mopar Lift, Pro Comp 7005 black alloy wheels, Toyo Open Country MT 35x12. Yukon Gear & Install Kit package for Jeep JK non-Rubicon, 4. Designed specifically for the Jeep Wrangler JK, 2007 to present. Because of the special design of the stock JK Dana 30 carrier, new thrust washers are also required. I knew I was going to be making changes so I didn't spend the extra money on the 3. I think the 4. For stopping power, the Wrangler (JK) 3. 8 Liter mini van engine, we took a slightly different route. Can you answer this? Cancel Add Answer. Find Replacement Car & Truck Parts For Sale. For stopping power, the Wrangler (JK) 3. 10 since going from stock 16" tires to 18"? Its a lot of money to spend for just a little better - looking for more like a lot better, or differently worth it?. 2 cubic feet with those seats removed. CARFAX One-Owner. Buy Yukon Gear & Axle (YG D44JK-488RUB) High Performance Ring & Pinion Gear Set for Jeep JK Dana 44 Rear Differential: Differential Rings & Pinions - Amazon. we stock over 40 custom jeeps and trucks and 10 unbuilt jeeps, ready for you to design! we have a design team that can make your jeep or truck the one of your dreams. Yukon Gear & Install Kit package for Jeep JK non-Rubicon, 4. This page is a Differential Gear Ratio Chart for comparing tire size to axle gear ratio and the combined effect on power and fuel economy. As there seems to be a lot of Jeep owners out there considering this swap and because we have done the swap ourselves we decided to provide our readers with an article on the subject. Also, the Effective Ratio box shows your adjusted gear ratio if you choose to keep your original gears. Configure your custom RockJock 60, select from a choice of wheel bolt patterns, semi-floating 35 or 40-spline axles, popular gear ratios, industry-leading locking differentials and a wide range of brake options to create the perfect rear end for your Jeep JK *** CONFIGURE OPTIONS TO BUILD AND PRICE ***. After searching and talking to the people I came upon the understanding that nothing seemed to match. The Truth about Gears and Tires If this is your first visit, be sure to check out the FAQ by clicking the link above. Dana 30 front axles have a 7-1/8″ diameter ring gear and come standard on Sahara and X model Jeep JK Wranglers with a gear ratio of 3. In reality, however, most of the time your spouse has to commute in your Jeep 50 miles daily on the freeway. 88 Ratio for 07+ Jeep Wrangler JK Rubicon Be the first to write a review. Black Clear Coat/Black and Red Custom Leather Seats with BlkMtn Embroidered on them. 5 MPG less than my Sahara did with the same 35 duratracs on both) but the 4. Further, it can be used to center the steering wheel, or to initialize an AEV HEMI Kit conversion without needing to go to a Jeep dealer. The chart lists the gear ratio and tire diameter to easily guide your purchase into the correct size application. 72:1 low range to (you guessed it) 4:1. They came with either a 3. 3K JK – From Stock to Trail Worthy with $3K -ish Build a trail worthy Jeep from a stock JK for around $3000. Our applications include Front Axle, Rear Axle, Yokes, U-Joints, Front Drive Shafts and Rear Drive Shafts for all Jeep® models. If your tires are bigger than stock you probably, like myself, have spend a lot of time trying to WAG (wild ass guess) your actual MPH when going down the road. Does Anyone know what the stock gear ratio was in these axles? What would be a good all around gear for some highway, some trail driving with 35's? I don't want to lose my jeeps drivability on the highway, but i want to regain some of the lost low end power. 73 axle ratio that comes stock now is where the Jeep engineers wanted the engine performance to be at with stock tires. The engine is the same 285 horsepower Pentastar 3. On Jeep Jk you can use your stock wheels and put on up to a LT275/70R18 (33's) size tires all around with no lift or wheel spacers. Wrangler JL, JK, TJ, YJ, CJ and Unlimited. 10 (which they say is Stock gear ratio. 16" diameter shafts, 7. Black Clear Coat/Black and Red Custom Leather Seats with BlkMtn Embroidered on them. The Dana 35 (as well as the AMC-15) is found in a wide variety of vehicles. This calculation is used to match oversize tires with new ring and pinion gears to obtain the desired engine RPM at highway speed. Jeep recommends changing your differential fluids every 24,000 miles if you follow “Schedule A” or 12,000 miles if you follow, “Schedule B” in the owner’s manual. Solve for your Transmission Ratio. Gear Ratio: If you are entertaining any thought of 35's go 4. Most of our clients have 35-37" tires installed, WHP then drops to 108-123whp (auto/6spd). Inside all internal frame areas I used cosmoline black. FCA uses 3. 66-inch unit. 88:1 gears and Auburn Gear's ECTED Max electric locker for the rear axle. 5″ to be exact. 8-liter V6 can muster with an automatic transmission, big tires, improper gearing, and lots of heavy bolt-on accessories, Christian Hazel's article covering bolt-on performance accessories is appreciated. com checks with auto manufacturers and their representatives to confirm the accuracy of the data, it makes no guarantee or warranty, either expressed or implied with respect to the data presented here. Give us a call at 800-216-1632 to get started. 73s for these 5. 88 Ring and Pinions products at 4WP. For our Jeep Wrangler JK, stock wasn't overly impressive, so we wanted to go a little higher numerically to add a bit more getup to the Jeep. After some careful deliberation, I setled on 4. Gear Ratios 1st : 4. 10 depending on the model, year, and configuration. it is a used 2011 red 2 door jeep sport with tons of upgrades and was owned by a Rebel offroad employee prior to me owning it. Gear Ratio and Tire Size Calculator - 4x4 and Jeep Ring & Pinion When you change your tire size you need to make sure you have the right gearing to get optimal fuel economy and power. They have about 35,000 miles on them. 72:1 low range to (you guessed it) 4:1. Detroit Truetracs are similar in design to the Gleason Torsen, only the Truetracs hold up well with reasonably tall tires. Enter the values on the left and press Compute, the gear calculator will take care of the rest. 2018 Jeep Wrangler JK Unlimited featuring Perimeter Alarm, Conventional Rear Cargo Access, Trailing Arm Rear Suspension w/Coil Springs. The charts I found ranged from very good to bad. This page is a Differential Gear Ratio Chart for comparing tire size to axle gear ratio and the combined effect on power and fuel economy. Our Placer Series axles are manufactured right here in the USA to provide the strongest solution for your Jeep. Can you run 35's on JK Auto with stock gears and auto transmission? Does anyone know if there are issues with Gear ratio changing to 35s on JK with an Auto transmission? 2009 Wrangler Unlimited, 2" Mopar Lift, Pro Comp 7005 black alloy wheels, Toyo Open Country MT 35x12. Click here for detailed information and to view our entire inventory of Used Vehicles. 2018 *Jeep* *Wrangler JK Unlimited* Unlimited Rubicon SUV - $52,900. Dana 30 front axles have a 7-1/8″ diameter ring gear and come standard on Sahara and X model Jeep JK Wranglers with a gear ratio of 3. 10 Gear Ratio and e-locker. 10 since going from stock 16" tires to 18"? Its a lot of money to spend for just a little better - looking for more like a lot better, or differently worth it?.