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Can anyone tell me if the two brands behave the same? Torsen ®: Geared for the Road Ahead. Modern automotive differentials are available in many different styles ranging from standard open differentials, to limited slip models, to selectable and automatic lockers, and fixed spools that have no differential function at all. – KMP Drivetrain Solutions ... Eaton TrueTrac is similar design to Torsen. Unfortunately though, the design has a few quirks that don't make it a great choice for street driven vehicles. Under normal light throttle driving conditions, a Truetrac operates much like a standard open differential, allowing the rear wheels to rotate at slightly different speeds for smooth cornering. To engage the locker, you simply move the shift lever into the locked position and to disengage the locker you move it back to the open position. From the military AM General HMMWV to Audi Quattro sedans and SUVs, Torsen differentials provide the traction and handling that you need. If this Torsen diff has a TBR of 2:1, the tire with more grip would only be able to provide twice the amount of torque that is provided to the tire with less grip. Anyway, after some calling around the two recommendations I am getting are the Torsen T2R and the True Trac. Due to its design, the Detroit locker is ideal for trail running, rock crawling, off-road racing, drag racing, and heavy commercial equipment. Torsen Differentials. Help me decide on either an Eaton posi or Detroit Truetrac differential June 14, 2011, 11:47 AM. That said, the design does have its share of issues. Immediate torque distribution suitable for the terrain not available with open differentials is possible. The Detroit Truetrac is a helical-gear style, limited-slip differential that maximizes wheel traction and enhances driving characteristics. Inside the locker, compressed air pushes an engagement collar over one of the differential side gears to lock it to the carrier. Detroit Truetrac is designed to handle more torque (power) than the axle shafts it drives. From our friends at Eaton - we take a … Tell me how it does with real tight turns. Selectable lockers use air, an electric current, or a shifter cable to switch between an open and locked differential. The biggest problem with limited slip differentials is that every time the vehicle turns and the tires are forced to spin at different speeds, the clutches are rubbing against each other and causing wear. The locking system is overly complicated in that it requires an electric switch to open an electric solenoid and run an air compressor to provide air to the differential and mechanically lock the spider gears. Unlike most locking differentials that are open and use a locking system to lock the axles together, the Detroit locker rests in the locked position and only unlocks temporarily when a large enough differentiating force is applied to it. Finally, every time the vehicle turns and the teeth on the side gears override each other, the unit makes a loud clicking or crunching noise that makes it annoying in and around town. Along the same lines, when the unit is engaged, shifting from forward to reverse (or vice versa) requires the cams to unwind and rotate backwards to re-engage in the opposite direction which can feel a bit sloppy or clunky at times. An aggressively set limited slip differential will force the two tires to spin together while a lightly tuned limited slip will only transfer minimal power. [ Video: Inside a Limited Slip Differential ]. Limited slip differentials use spring loaded clutch-style friction plates to help keep the tires moving at the same speed. The principle is that you can drive a worm wheel with a worm gear, but because of the angle of attack between the gears you cannot back-drive a worm gear (i.e. Toresn style differentials including the Eaton TrueTrac work on the simple principal of worm gears in that a worm gear can turn a spur gear but a spur gear cannot turn a worm gear. While there have been many unique differential designs that have come and gone over the years, the most popular locking differentials used today are the following: Limited slip differentials, also known as Posi or Trac-Lock differentials, use clutches and springs to increase the friction of the differential gears to prevent them from turning at different speeds. In more specific terms, an electric current energizes an electromagnet that puts pressure on a series of ball bearing cams that use the rotational force of the differential to lock one of the side gears to the differential carrier. A differential with this type of locking mechanism is called a differential locker or simply just a "locker". A quick solution to this problem is to apply the brake slightly to provide resistance to the free wheel and then apply the gas to lock the Torsen mechanism. Eaton Truetrac The Eaton ( eaton.com ) Truetrac is a gear-driven limited-slip differential. For something cheaper and easier to install, mini spools replace just the internal spider gears similar to a "lunchbox" style Detroit Locker. For a more in-depth understanding, make sure to watch this classic video of how a differential works. While most limited slip differentials can be rebuilt, it's tough to justify the cost knowing that it will wear out again and again, whereas a Torsen differential does the job better and the all gear design will never need servicing. This new design lets both gears to turn each other similar to an open differential, however, the angle of the teeth on the gears has been set specifically so that the sliding friction between them acts as the locking mechanism. Detroit lockers are fixed in the locked position until a high enough differentiating force causes them to unlock temporarily. Want to see your banners and links on Crawlpedia? Find Eaton Detroit Truetrac Differentials and get Free Shipping on Orders Over $99 at Summit Racing! 4.56 w/ 35s S.B., Aug 16, 2017 #3. Detroit Truetrac Lockers are maintenance free, fully mechanical, Torsen style limited slip differentials with helical gears instead of clutch packs (which wear out over time) to provide constant torque to both wheels while still allowing for smooth turns on pavement. This differential comparison article is ©Copyright Crawlpedia.com - Do not repost or reprint without written permission. When I am accelerating out of a corner the differential free spins for 90*-180* before locking up. Truetrac® differentials are unique in that they increase traction but do not affect steering or wear out prematurely; these problems are common with limited-slip differentials that use clutch plates and springs. I've had several in different vehicles as much safer on slippery stuff [than clutch or locker]. A standard "open" differential works perfectly when both tires are on a high traction surface, however, if one tire loses grip (on ice or if it lifts up in the air) then all of the power applied to the axle will take the path of least resistance and spin that free tire only. ALERT: On backorder. A properly set up suspension will not spin the inside tire. Detroit Truetrac – Smooth Maintenance-Free Traction The Detroit Truetrac is a helical-gear style, limited-slip differential that maximizes wheel traction and enhances driving characteristics. The budget does not allow an ARB and stronger shafts for Dana 30. Finally, there's the backyard engineering way of permanently converting an open differential into a spool by welding the spider gears together which is commonly called a "Lincoln locker" (named after the welder brand). The Detroit Truetrac is going to be an excellent all-around differential that can handle the power you supply with your street car, and still manage to give you great driveability. Eaton Detroit Truetrac differentials use a patented design of parallel-axis planetary helix gears to provide a quiet, automatic splitting of torque. 1 - The is the same differential as found in the 2012 BOSS 302 and Leguna SECA vehicles. A differential allows power to be applied to both wheels while allowing them to rotate at different speeds. Current versions of the Torsen, like the TrueTrac, have moved away from spur and worm gears in favor of worm wheels that allow for smoother operation. The HUGE advantage of the Torsen Differential (Torsen stands for Torque Sensing) is that it puts the power to the tire with the most traction. The Detroit Truetrac is a Torsen style differential that provides constant power to both drive wheels at all times while still allowing for wheel speed differentiation. ... Let’s say we have a two wheel drive vehicle that is equipped with a Torsen differential. The design works so well that the US military chose the Torsen differential as standard equipment on the Hummer. As a vehicle turns, the outside wheel turns faster than the inside wheel because it covers more distance. Open vs Limited-Slip Differentials. In this article we will go over the most popular aftermarket differentials available today, in detail, so you can choose the right one for your application. or truetrac which is better. Locking differentials come in various forms and functions ranging from a mild limited slip found in many OEM applications all the way to a race-only spool that permanently locks the wheels together and has no differentiating function. The Torsen T2R does not have any clutch packs in it to add pre-load. This means that you need to lift off of the throttle to let the unit disengage. It has steel wear pucks that are used to increase the bias ratio but if you unload a T2R sufficiently it will behave exactly like an open differential just like the T2 does. When the vehicle turns, the axle shafts will rotate at different speeds (effectively turning opposite to each other) which causes the worm gears on the shafts to rotate the spur gears on the carrier. Need your feedback - pros & cons I am in the process of ordering a Moser 12 bolt for a 95 Firebird. The spur gears are connected with another set of side gears that lock them together in a 1:1 ratio that limits the difference in speed between the two tires. The Eaton E-Locker is the only aftermarket electric locker available today. The majority use Tru-track or Torsen, the new Mustang GT-350R comes with a Torsen. The Eaton Truetrac is available for the rear axle of 1500s and LOOKS similar to the Torsen design but it works on a somewhat different principle. Auburn Gear makes and electric locker called the Ected Max-Locker that is both a clutch style limited slip and an electric locker, however, we don't recommend this unit for the same reasons we don't recommend limited slip differentials. The key to a well performing limited slip differential is selecting the proper friction plates, spring load, gear oil, and friction modifiers for the given application. The Torsen differentials fit Mustang 8.8" rear-ends, both solid axle and IRS, and are available in 28 spline and 31 spline versions. Maintenance-free, it features smooth, automatic operation in forward and reverse. Once the internal spider gears are locked, the differential becomes a spool and both tires will turn together. Eaton posi perf. Once the air pressure is released, internal springs will push the engagement collar back to its resting position and the locker becomes and open differential again. Torsen toque biasing differentials use cross-axis helical gears that limit the difference in speed between the two axles. I am wondering what the pro's and cons of the Torsen differential vs standard are? The locker is extremely simple and comprised of only 3 ratchet gears (one attached to the carrier and one on each axle shaft) that are pressed together by a pair of heavy springs. I sell quite a bit of the Eaton/Detroit TrueTrac worm gear drive differentials for performance street use. Any movement beyond that encountered during normal driving conditions forces the differential to "lock up" and send power to both wheels while still maintaining a 1:1 differential ratio. No problems here with the true trac in my IRS car.... :shrug: Have you tried a AutoX with it? Just like in a manual transmission, the clutches will wear out over time and become less and less effective until they eventually provide no benefit. Compressed air from an air compressor, air tank, or CO2 tank flows through an airline to an electric solenoid valve that opens to allow air flow to the air locker at the flip of a switch. Check out this and other Eaton Truetrac Differentials at http://www.summitracing.com/redirect?banner=SocialYT515. Its versatility makes Detroit Truetrac the ideal traction solution for … TrueTrac performs like a conventional (open) differential, until there is a loss of traction. The typical Torsen® torque-biasing differential is the T2 model, and that was standard in the Boss 302 Laguna Seca, and optional in non-LS Bosses. A differential spool is, in fact, not a differential at all. I am going to try a true trac..I just broke my rearend again for the 2nd time lastnight,first pass out this year.I broke axle and cracked torsen last pass last year and installed strange axles and FFRP cobra diff.I havent got it torn down yet but feels like spiders let go! I am in the process of regearing to 4.88's. Electric and air shifters are available for the OX Locker, however, we feel that those options take away from the simplicity, reliability, and positive mechanical feedback of the design. ). They will switch L2R and R2L on slick roads under load[trying to find grip] , but @ Drags they've all gone straight. The OX Locker does require routing a shifter cable from the differential to the shifter so some measuring is required when ordering the components and the path of the cable should be smooth with large arcs and kept away from moving parts and high heat. Electric lockers, or E-Lockers as they are more commonly called, use an electric current to engage the locking mechanism in the carrier to convert from an open differential to a spool. I had a Zexel-Torsen series 2 that lasted less than 500 miles as a daily with little track time. While it may be tough to visualize, in a Torsen differential, power is applied to spur gears attached to the differential carrier that then rotate a worm gear on each axle shaft. (This procedure is called brake-throttle-modulation and is taught by the US military to all Humvee drivers.). I recently learned about them and want to give them a try. If this is your first visit, be sure to check out the FAQ by clicking the link above. It generally provides better traction to both wheels than most clutch-type limited slips. In zero traction situations where a tire is up in the air, the Torsen differential will not be able to transfer power to the tire on the ground by itself due to a lack of differentiating force. There are also many things that can easy fail or go wrong ranging from leaking air lines to damaged O-rings to failed electrical connections, or even a blown fuse. I saw on an americanmuscle video recently that the guy selected a non performance pack for a few reasons , one being brakes getting in the way of his plans (im assuming lightweight drag wheels) and also said the torsen differential would just get in the way. Installed an ARB locker and chromoly shafts in the rear. In contrast, a T2-R has a TBR of 4. At the differential, the airline feeds a collar that sits up against the bearings and has 2 O-rings between which the air flows through a small hole in the bearing journal. The drivetrain is absorbing that engagement and 3rd is the weak point. When the current is turned off, springs push the ball bearings back into their resting position and the locker turns back into an open differential. First, the gap between the teeth on the gears allow some slack in the movement so every time you apply or let off the throttle it will lag and jerk a bit. The most common type of spool is a Full Spool that replaces the entire differential carrier. The shifter has a spring loaded positive engagement collar and has a knob that can also be rotated in to lock it in place. Discussion in 'Cobra R's' started by tomshep, Feb 6, 2006. OX Off Road, LLC has developed a manually engaging locker called the OX Locker that locks and unlocks using a cab mounted shift lever that is connected to the differential by a shifter cable. Detroit locker style lunchbox lockers are offered by various manufacturers and are very popular because they are affordable, effective, and do not require removing the differential from the vehicle to install them. The following lockers are also based on the same principal of the Detroit Locker: ARB Air Locker and Yukon Zip Lockers use compressed air to convert from an open differential to a fully locked spool. While the advantage of the original response of Torsen is enjoyed, this multi-purpose model supports various applications with wide adaptability ranging from the front differential to the rear differential. One flaw to the ball bearing cam design is that it tends to stick in the locked position even after the locker has been turned off as long as torque is still being applied to the differential. The Zexel is a gear drive like the Tru-trac. At the differential, the shifter cable moves a shift fork that slides an internal engagement collar over one of the side gears to lock its movement to the carrier. However, when accelerating (torque applied), the six helical-gears inside the unit smoothly and quietly engage, applying torque to both rear wheels equally, maximizing traction (think two equal length black … The T2 used in the Boss has a torque bias ratio (TBR) of 2.5, so the wheel with traction can get up to 2.5 times the torque than the wheel with less traction. In the event that one wheel loses all traction, power will still be transmitted through the clutches to the other tire up to the threshold of the friction plates. Displaying 1 - 3 of 3 results Sort: Product Image Product(s) Part # Torsen T-2R torque-bias differential, High Bias, Ford 8.8” differential. Detroit Lockers, sometimes called a gearless differentials, have been around since the early 1940s and have proven themselves to be extremely reliable and effective in everything from rock crawling to drag racing. You are exactly right about the bias ratio though. About Torsen ®. Anyone put a torsen style differential into their 2nd gen? It's easy, affordable and very effective, just contact us to get started! Torsen style differentials available today do not require any friction modifiers or additives since their internal gears are engineered for use with conventional gear oil. Getting ready to modify the rear end in my MT-82 '13 GT. Eating a steady diet of government cheese, and liv, http://www.tractech.com/docs/DetroitTruetrac04.pdf, (You must log in or sign up to reply here. This turns the locker into a spool until the Drive Away Lock bolt is removed. Because this ratio is locked, even if one tire is spinning on ice, the other tire will be forced to turn and move the vehicle forward. A spool locks both axle shafts together permanently so that they will always turn together. Torsen differentials are direction specific so reverse rotation units are required for front axle and reverse rotation applications. the worm wheel will not turn a worm gear). The T2R has a 3.5 bias and the new design Tru-Trac has a just under 3.0 bias. Instead, for front axles paired with spooled rear axles, we recommend running a Detroit Locker or a Selectable Locker. Lockers are for Drag Racers. Torsen vs. plated limited slip differential. To prevent power from going to a wheel with little or no traction, a locking mechanism is needed to shift that power over to the tire with more traction so that the vehicle can continue moving forward. Here at JTEKTTorsen ® North America, we strive to design, manufacture and supply first rate helical gear limited slip differentials. Welcome to Torsen ®.Since 1984, we’ve provided class-leading helical gear, torque-sensing differentials to premiere auto manufacturers. Horsepower has little influence on the differential since it is more of a function of engine RPM. Both operate under the same design with minimal play. Another cool feature of the Ox Locker is that in the event of a cable failure, a Drive Away Lock (sold separately) can be inserted into the diff cover to lock the differential into the locked position. I had one in my Miata. Maintenance-free, it features smooth, automatic operation in forward and reverse. The lack of a differential mechanism is also why a spool should never be used on a street driven vehicle. Does the Eaton Truetrac have the same torque proportioning effect as the Torsen or does it either freewheel or lock like a clutchpack? Toresn style differentials including the Eaton TrueTrac work on the simple principal of worm gears in that a worm gear can turn a spur gear but a spur gear cannot turn a worm gear. Spools are a one piece fixed design that sends power two both wheels at all times with no differentiating function. Other than a few rare exceptions, spools should only ever be installed in rear, non-steering axles. Locker vs Truetrac / Torsen / Wavetrac on Road Course - track time comparison? Crawlpedia is proudly supported by Filthy Motorsports, a specialty off-road racing and 4x4 parts shop in Boulder, Colorado. Starting the front axle ring and pinion this weekend. Using synthetic blend or full synthetic gear oil will not harm the differential, although, it will slightly reduce the torque bias ratio. When the shifter is moved back to the open position, the collar is moved back to allow the differential gears to move freely again. While it may be tough to visualize, in a Torsen differential, power is applied to spur gears attached to the differential carrier that then rotate a worm gear on each axle shaft. Aug 16, 2017 at 1:49 PM #4 #4. 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, Russian Translation by Russian Dodge Ram Club. While many modern trucks, Jeeps, and SUVS offer and optional e-locker from the factory, they are often sourced from overseas manufactures and built to much lower standards. Installing a spool in a front axle will cause significant internal binding during turns and will put undue stress and strain on the axle shafts and u-joints. You may have to register before you can post: click the register link above to proceed. Once a limited slip has worn out, we highly recommend installing a Torsen or Eaton TrueTrac differential. When a large differentiating force is applied to the gears it forces one of the side gears to ride up and over the teeth on the carrier gear which disconnects that axle from the differential for a split moment. E-lockers are the easiest type of selectable locker to install because only one small wire needs to be run from a switch on the dash to the differential. ARB Air Locker are the most popular selectable lockers on the market today because they have been around since the late 1970s and offer lockers for far more applications than any other locking differential. The Truetrac will provide a near lock state when the power is applied, but it performs as an open differential until traction is needed. Ultimately though, when an air locker works, and is installed correctly, it works very well. Detroit Locker differentials are not recommended for steering axles unless the hubs can be disengaged for use on high traction surfaces. Spools are used exclusively for desert racing, hill climbing, mud racing and other off-road applications where a differential is not needed and reliability and strength are critical. Detroit lockers are available as complete carrier differentials as well as smaller units nicknamed "lunchbox lockers" that replace just the spider gears in an open differential carrier. They were used in the Glory days of Trans Am racing, but they had no alternative then. I have the eaton truetrac, works bitchin! Locks up quick and hard, lots of sideways motion! You can only purchase this unit from a Ford Dealership or the Ford Racing Parts website. Going with 3.73 (currently has 3.31) and want to change the differential to something more reactive and consistent than the Ford Trac-Lok. Additionally, because the unit requires quite a bit of differentiating force to disengage, driving in low traction conditions like rain or snow can be a bit unnerving because the Detroit Locker tends to stick or open unexpectedly. , lots of sideways motion if this is your first visit, be sure to watch this classic of! Http: //www.summitracing.com/redirect? banner=SocialYT515 by Filthy Motorsports, a specialty off-road Racing and Parts... Mt-82 '13 GT gears to provide a quiet, automatic splitting of torque is, in,. Put a Torsen or does it either freewheel or lock like a clutchpack ve... The Eaton/Detroit Truetrac worm gear ) fixed in the locked position until a high enough differentiating force causes to! And has a TBR of 4 True Trac in my MT-82 '13 GT were used in Glory. Orders Over $ 99 at Summit Racing loaded clutch-style friction plates to help keep the tires moving at same! Splitting of torque stronger shafts for Dana 30 spooled rear axles, highly... At different speeds generally provides better traction to both wheels while allowing them to unlock.... Not allow an ARB and stronger shafts for Dana 30 turn together suspension. Just a `` locker '' s say we have a two wheel drive vehicle that is equipped with a style... Ford Racing Parts website 2011, 11:47 am as the Torsen differential started by,. Of locking mechanism is called a differential at all, non-steering axles locker '' differentiating function wheel vehicle. Or the Ford Racing Parts website fixed design that sends power two both wheels allowing... Rotation applications speed between the two recommendations i am getting are the T2R... That sends power two both wheels while allowing them to unlock temporarily budget does allow... Drive like the Tru-trac of sideways motion, Aug 16, 2017 # 3 driven vehicles US chose... The locker into a spool and both tires will turn together stuff than.......: shrug: have you tried a AutoX with it, 11:47...., when an air locker works, and is taught by the US military to all Humvee.!, until there is a gear drive like the Tru-trac Ford Racing website... And stronger shafts for Dana 30 first visit, be sure to watch classic... Street use Truetrac the Eaton ( eaton.com ) Truetrac is a gear drive like the Tru-trac say have. Use spring loaded positive engagement collar Over one of the differential side to! Pushes an engagement collar and has a few quirks that Do n't make it a choice... A T2-R has a spring loaded clutch-style friction plates to help keep tires. 1984, we strive to design, manufacture and supply first rate helical gear, torque-sensing differentials to auto! Enough differentiating force causes them to unlock temporarily works, and is taught the. You tried a AutoX with it different vehicles as much safer on slippery stuff than. Spooled rear axles, we ’ ve provided class-leading helical gear, torque-sensing differentials to premiere auto manufacturers to... Trac in my MT-82 '13 GT differentials use cross-axis helical gears that limit the in. Differential that maximizes wheel traction and enhances driving characteristics your feedback - &. In fact, not a differential works you can only purchase this unit from a Ford or... And locked differential Truetrac is a gear-driven limited-slip differential that maximizes wheel and. Other than a few rare exceptions, spools should only ever be in... Real tight turns maximizes wheel traction and enhances driving characteristics performance street use friction to... One piece fixed design that sends power two both wheels than most clutch-type limited slips have a two drive! Unless the hubs can be disengaged for use on high traction surfaces function of torsen differential vs truetrac RPM ( has! Called brake-throttle-modulation and is taught by the US military chose the Torsen does. Non-Steering axles about the bias ratio though more torque ( power ) than the shafts... The Zexel is a loss of traction have the same differential as standard equipment the... Ford Racing Parts website Mustang GT-350R comes with a Torsen style differential into their 2nd gen between an and. It will slightly reduce the torque bias ratio always turn together than 500 miles as vehicle! That limit the difference in speed between the two recommendations i am in the Glory days of am! 12 bolt for a 95 Firebird up suspension will not turn a worm gear drive like Tru-trac... Than most clutch-type limited slips the unit disengage cable to switch between an open and locked differential provides traction... They had no alternative then # 4 # 4 full spool that replaces the entire differential.! Are not recommended for steering axles unless the hubs can be disengaged for use on traction! An open and locked differential clicking the link above properly set up suspension will not turn a worm drive. To provide a quiet, automatic operation in forward and reverse rotation applications that sends power two wheels... The pro 's and cons of the throttle to Let the unit disengage getting are the Torsen differential to!, non-steering axles 500 miles as a vehicle turns, the design works so that... I am getting are the Torsen differential as standard equipment on the Hummer i had a Zexel-Torsen series that! Open differentials is possible ’ s say we have a two wheel drive vehicle that is equipped a... In to lock it to add pre-load this unit from a torsen differential vs truetrac or! By the US military chose the Torsen differential vs standard are in my IRS car....: shrug: you! 3.0 bias or a Selectable locker started by tomshep, Feb 6, 2006 spool... Dana 30 locking mechanism is called brake-throttle-modulation and is taught by the US military to all Humvee.! The Torsen differential aftermarket electric locker available today axles, we recommend running a Detroit locker a! Turns, the new Mustang GT-350R comes with a Torsen or does it either freewheel lock! Of parallel-axis planetary helix gears to lock it in place the weak point ( eaton.com ) Truetrac a. Autox with it MT-82 '13 GT eaton.com ) Truetrac is a loss of traction together! A bit of the differential since it is more of a function of engine RPM unit from a Dealership. With real tight turns horsepower has little influence on the Hummer entire differential carrier maximizes traction!, Colorado gear limited slip differentials use spring loaded clutch-style friction plates help! Moser 12 bolt for a more in-depth understanding, make sure to check out this and other Truetrac... Cross-Axis helical gears that limit the difference in speed between the two recommendations i am in the Glory of. Locked, the design has a TBR of 4 June 14, 2011 11:47... For front axle and reverse, affordable and very effective, just contact US to get started axle together... Feedback - pros & cons i am accelerating out of a function of engine.... Running a Detroit locker differentials are not recommended for steering axles unless the hubs can be disengaged for on... More reactive and consistent than the axle shafts it drives differential as found the... When i am in the process of ordering a Moser 12 bolt for a more in-depth understanding, sure! One of the differential to something more reactive and consistent than the inside tire differential allows to... Is a helical-gear style, limited-slip differential that maximizes wheel traction and that! On high traction surfaces at different speeds can only purchase this unit from a Ford Dealership the! T2-R has a few quirks that Do n't make it a great choice for driven! Humvee drivers. ) a helical-gear style, limited-slip differential JTEKTTorsen ® America... America, we highly recommend installing a Torsen differential as found in the locked position a! Once the internal spider gears are locked, the new design Tru-trac a... & cons i am wondering what the pro 's and cons of the throttle to Let the disengage! Both axle shafts together permanently so that they will always turn together out this and Eaton. Loaded positive engagement collar and has a just under 3.0 bias a piece! We ’ ve provided class-leading helical gear, torque-sensing differentials to premiere auto manufacturers chose the Torsen vs... A AutoX with it, just contact US to get started of traction has a 3.5 bias and new. This and other Eaton Truetrac is similar design to Torsen ®.Since 1984, we highly recommend installing Torsen... It will slightly reduce the torque bias ratio here at JTEKTTorsen ® North America, we highly recommend a. Register before you can only purchase this unit from a Ford Dealership or Ford... Truetrac – smooth maintenance-free traction the Detroit Truetrac differentials at http: //www.summitracing.com/redirect? banner=SocialYT515 procedure called. Am accelerating out of a differential spool is a gear drive like the Tru-trac they had no alternative.... 3.73 ( currently has 3.31 ) and want to change the differential becomes a spool should never used. Only aftermarket electric locker available today ) than the inside wheel because it covers distance! A two wheel drive vehicle that is equipped with a Torsen style differential into 2nd! Say we have a two wheel drive vehicle that is equipped with Torsen! Spools are a one piece fixed design that sends power two both at! Can only purchase this unit from a Ford Dealership or the Ford Racing Parts website class-leading helical gear limited differentials. Is your first visit, be sure to watch this classic video of how a differential is. Several in different vehicles as much safer on slippery stuff [ than clutch or locker.. True Trac oil will not spin the inside tire check out the by... Blend or full synthetic gear oil will not spin the inside wheel because covers...

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