Daily driver. • Standard on the SVT Raptor, the TORSEN (torquesensing) differential uses a parallel helical gear system to sense torque differences between the front axles/wheels and provides maximum torque to the wheel with the most traction • The differential continuously manages power delivery between the front axles/wheels helping to They are also a bit less than the Torsen. All. Torsen lockers Torsen Differentials 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. Which Torsen? | S197 Mustang Forum - S197Forum.com Front Truetrac...benefits vs drawbacks - NAXJA Forums ... Yes a carrier change, but if you are putting in a torsen/tru-trac that is the carrier. The Best Types of Car Differentials for Snow and Ice For wheeling purposes it is poor value in a front axle. Detroit TrueTrac lockers are Torsen style limited slip differentials that use helical gears instead of clutch packs to offer automatic torque biased traction to both drive wheels at all times. Check out this and other Eaton Truetrac Differentials at http://www.summitracing.com/redirect?banner=SocialYT515. 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 was back in 2011 though so I think that was before the latest version of the T2R. Detroit Tru-trac or Torsen - Difference? | Factory Five ... I've also seen places like stage3motorsports selling an Eaton elocker for the front. Locker vs Truetrac / Torsen / Wavetrac on Road Course ... Detroit Locker 913A586 - Eaton Detroit Truetrac Differentials All three are inexpensive, easily installed, and perfectly well behaved on the street so long as you're . 912A686 | Eaton Detroit Truetrac Differential ... Messages. Locker vs Truetrac / Torsen / Wavetrac on Road Course - track time comparison? Occasional light towing (less than 2000lbs). In real life this means that when a single axle loses grip completely (very low traction on ice, or if wheels raised in the air) the car is not able to move. I am wondering what the pro's and cons of the Torsen differential vs standard are? No clutches to wear out. Wavetrac Differentials are available for an ever-increasing number of applications. I'm looking to install a Eaton/Detroit TrueTrace Torsen differential in the near future. Just like the Truetrac it is a helical gear differential but this unit has 6 gears per side vs the 3 gears of the Truetrac. Each wheel spins equally. The Torsen differential and the plated limited slip differential serve the same purpose; remaining the maximum amount of torque possible to the wheels at all times, while still being able to go around corners during regular driving. Off-Road Section - Torsen LSD vs Locker - Pros/Cons - I've seen a few threads where a Gen1 Raptor Torsen has been swapped into the front diff. This is normal for track driving. $454.49. I can get the truetrac and axles for what the Wavetrac itself costs. It uses worm wheels instead of worm gears. ; rear—used to apportion torque appropriately between left and right sides in rear axles.This may be on either a rear-wheel drive or a four-wheel drive vehicle. Thoughts on how much 'better' it would be? You may have to register before you can post: click the register link above to proceed. ; front—used to apportion torque . If the slipping tire is sitting on a solid sheet of . 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. The limited-slip differential is similar to the positraction differential, but allows the wheel with traction to have only a limited amount of greater power than the wheel that is slipping. I'm looking at worm-gear torque biasing differentials for my autocross Fox. Differential There are several different Torsen differentials that work with the GM 7.625" rear end found in the 4th generation F-Body. For your front axle, I would install a true locker like an Aussie, Lockrite, or No-Slip. : Overview. I'm looking for a good 8.8 differential and have searched some threads. But, at the end of the day, all the designer is trying to do is create and manage friction in a useful way. A Torsen differential, which is a type of helical differential, does not use clutches as a traditional LSD does. VS Torsen OS Giken vs Torsen | TrackMustangsOnline.com As some of you may remember, my last van was equipped with Torsen carriers front and rear. Immediate torque distribution suitable for the terrain not available with open differentials is possible. Unfortunately, they don't make anything for Dodge, let alone a 1500. 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. They perform like a limited-slip differential under normal driving conditions, automatically transferring torque to the wheel with better traction when ground . Since 1984, we've provided class-leading helical gear, torque-sensing differentials to premiere auto manufacturers. With a truetrac you can touch the brake a little to bias the differential to get it to work with a wheel off the ground.. This is a completely separate design from the common beveled spider gear designs seen in most of the automotive industry. Only 7 left in stock (more on the way). They're great for street use and . In theory a TBD is superior to a clutch or cone type LS because it can transfer more torque to the tire with traction. Even Ford saw it a good fit to add a torsen front diff in their Raptor; while Ram's TRX is still just an open front diff. Creager told us, "the Truetrac differential is the first in the marketplace to my knowledge that had parallel access pinion gears. Eaton Detroit Truetrac differentials use a patented design of parallel-axis planetary helix gears to provide a quiet, automatic splitting of torque. The drivetrain is absorbing that engagement and 3rd is the weak point. 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. Most end up upgrading to true lockers, which is why the Jeep Rubicon comes with front and rear lockers and not front and rear limited slip differentials. It is a 98% street car that sees the strip about 1-2 times a year and I would like to road race next year. Learned this the hard way when we broke an axle in FSAE competition. Differential designers have to make up the difference in other ways. Regardless of the lube type, always use a GL5 rated lube with the least amount of friction modifier. LSD's can be gear based (torsen), clutch based (preload with springs, cam actuated, electronically controlled, etc..). 912A686. Most end up upgrading to true lockers, which is why the Jeep Rubicon comes with front and rear lockers and not front and rear limited slip differentials. Only show this user. Eaton Detroit TrueTrac Lockers and Accessories 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. I tried this in the "Off Roading" section and didn't get much traffic. Most people who have installed a Torsen type differential will never experience this phenomenon because all wheels will always be on the ground and all wheels will always have at least 'some' traction. You may have to register before you can post: click the register link above to proceed. Both operate under the same design with minimal play. In general a LSD is just that, limited. Sometimes, adjusting the thrust washers to suit helps. According to the Detriot Locker tech when I bought my Tru-Trac Detriot Locker had the helical gear LSD years ago but sat on it until Zexel came out with the Torsen and started to beat the pants off of them in sales. I have owned a trutrac for a brief time. Its versatility makes Detroit Truetrac the ideal traction solution for almost any type of vehicle. Reading up on them, it seems like a really much better LSD and possibly a good fit for a vehicle that is a daily driver and does some weekend off-roading. Although Gleason no longer makes the Torsen differential, the Detroit Truetrac is a proven design that is available for many popular applications. A complete Currie 9-inch third member makes it easy to update your street rod, muscle car, or truck with a new gear ratio or performance differential. The Torsen does this quite well. Tire recommendations for 2wd Sonoma vs limited slip (torsen / posi) differential for max traction. Location. Torsen is a particular kind of limited slip differential (LSD). This configuration spreads the load across 6 gears for greater strength. Open vs Limited-Slip Differentials. Tags . The Nitro Helical Worm Gear is a torque-sensitive mechanical limited-slip differential that uses worm gears and spur gears to dispense and distinguish input power between two drive wheels or front and back axles. Claremont, North Carolina, United States. $465.29. I will probably be sending my whole housing to Moser to get the 9" end upgrade and some axles done for it. The Torsen differential is prominently mechanical, and is always active. Torsen vs standard Traction lok LSD differential pros and Cons of the Torsen - more fragile (although in the Mustang they are very tough), less forgiving especially at low speed Pros of the Clutch LSD - more forgiving at all speeds but especially at low speeds, smoother Cons of the Clutch LSD - Clutches wear out and need replacement, more heat build up due to clutch pack friction=more prone to . The Truetrac seems to be transparent in normal operation with very little torque effect. rolape2. If this is your first visit, be sure to check out the FAQ by clicking the link above. . They also make a tougher version with 4 side gears instead of the more common 3 gear version which is even stronger. But, at the end of the day, all the designer is trying to do is create and manage friction in a useful way. If one tire breaks traction, the amount of rotation (or spin) is controlled. Lockers are the most common & preferred differential in most full size car road racing applications. Torsen and helical differentials work in a fairly similar fashion, using clever gearing to apply locking force to transfer torque to the wheel with more grip. Tractech had stopped producing their original Truetrac F-Body application and were at least six months away from releasing an updated model so I looked more closely at Torsen. These differentials are gear type but have enhancements to prevent a loss of traction that can happen if one drive wheel is unloaded with a typical gear type (Torsen, True-Trac, Quaife) differential. Limited-Slip Differential vs Torsen. Under normal driving . 218mm, 32-Spline, Axle Shaft Dia. Re: Front Truetrac.benefits vs drawbacks. Car is about 2800lb, 99-inch wheelbase, 29x18.5x15 Hoosier Pro Street Radials, 1993 LT1/700r4. When I am accelerating out of a corner the differential free spins for 90*-180* before locking up. jonzer12. . Eaton 912A569 Detroit Truetrac 27 Spline Differential for Dana 35. I used to autocross a FWD car that had a Quaife (worm gear), and I loved that thing, but Quaife don't make a unit for the Ford 8.8. Let's say we have a two wheel drive vehicle that is equipped with a Torsen differential. Getting ready to modify the rear end in my MT-82 '13 GT. . I do use this car for road trips and cruising, so a spool or Detroit Locker are not options. That day will come. It is based on technology derived from the Eaton Detroit Truetrac® limited-slip differential (LSD) which is a pioneer in helical gear based traction technology, and remains the leading helical gear-type limited slip diff in the . Only 3 left in stock - order soon. Detroit/Eaton Truetrac. The first is the OEM Torsen T-2. They are compatible with all Solid axle RWD Volvo's that use the 1030/1031 differential. The Gleason Torsen was a gear driven, torque-sensing limited slip differential that was very smooth and reliable, as long as it was not used with tall tires. These differentials use a sophisticated design to provide a quiet, automatic splitting of torque. Snow, ice, sand, & mud. The Eaton is smooth, but for autocross these others are a little better. Dana 80 Eaton Detroit TrueTrac | 35 Spline (4.10 & Up) Price: $779.95 The military Humvees use Torsen differentials. (aftermarket) 1 yr warranty The Detroit Truetrac was the first helical gear differential ever introduced into the automotive aftermarket as an Eaton brand. TrueTrac/Torsen vs OEM Open Diffs - Toyota 4Runner Forum . Choose items to buy together. The torque bias on the Tru-trac is higher than the Torsen T2, but a little less than the T2R General durability on the new tru-trac is higher than the Torsen. Only show this user. 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. Helical gear diffs are sold by Eaton (TrueTrac), Wavetrac, American Axle (TracRite GT), Quaife, Torsen, as well as a few others. A two-way clutch-type LSD could be used in either a front or rear differential, but a Torsen must be made for a front or rear differential. The Truetrac operates by transferring power from the spinning wheel to the wheel with the most traction. If this is your first visit, be sure to check out the FAQ by clicking the link above. From the military AM General HMMWV to Audi Quattro sedans and SUVs, Torsen differentials provide the traction and handling that you need. The Harrop/Eaton Truetrac was the first helical gear differential ever introduced into the automotive aftermarket. Use. 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. They are smoother and will not upset the tires in a hard turn. If you're thinking this sounds exactly like the Detroit or Eaton Truetrac, you're not wrong. So the truetrac can even work in that environment.. Just not ideal. All I can tell you is that the TracRite/TrueTrac stuff I have installed have all worked exactly the same in reverse as they did forward. Eaton Detroit Truetrac differentials use a patented design of parallel-axis planetary helix gears to provide a quiet, automatic splitting of torque. The owners manual states: --- Detroit Truetrac® High quality mineral gear lubes are required for use in Detroit Truetrac differentials. Ships from and sold by Amazon.com. Apr 11, 2012. 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. But for running the desert at speed for example I think a truetrac or other ATB (torsen, quaife) type differential is better than any locker. So done/done. Both use friction, but the way friction is created and used is very different. The … The Detroit Truetrac was the first helical gear differential ever introduced into the automotive aftermarket as an Eaton brand. . An Eaton Truetrac Helical LSD is ideal. 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.