Other differentials include the full line of Eaton Tru-trac and clutch style differentials. Torsen differentials are NOT recommended for high-powered drag race launches on sticky tires. These differentials are not intended for drag race use at all. When people say words like Mazdaspeed, RE Amemiya and Nismo you should all bow in reverence, the rest of the world does. Email: info@magnusmotorsports.com, Magnus Motorsports Repeatability is very important if you want to achieve consistency. Locking Differentials. (No-coupling 1.8t bmw bmw e36 bmw mpower bmw suspension bmw tuning boost brake brake fluid brake kits brakes bulgaria car car brakes chip chip tuning coilovers compturbo d2 brake Delta development diesel differential drag radials drift Emilia engine exhaust exhaust manifold fake family garett gaz Group handbrake heat hill climb Integrale Iztrebitelât kw Lancia legend Lotus-"relaxed" … Peregrine High-Torque Differentials for S550 Mustang. There are no clutches or preload to worry about, in fact, Torsen's patented parallel gearing system is designed to perform for the life of the vehicle. Messages: 2,965. Geared LSD. Some racers simply welded the spider gears to permanently lock them. Anyone w/ experience w/ a Torsen diff? It seems to be less desirable for drag racing as drag racing puts a lot of shock loading on the diff. Some have heard complaints about the KAAZ LSD being too noisy. Another problem associated with Torsen type differentials is that by design they try and force the internal gears against the housing in order to achieve the breaking force which will lock the LSD. You should also consider no longer being a man, please hand in your genitals at the door. The dudes at KAAZ are really cool, and the KAAZ LSD is one of the baddest LSD’s out there and we’re going to list the reasons why we only sell KAAZ. These are ideal for severe-duty situations, such as road racing or drag strip use. The T-2 differentials are designed to apply torque smoothly while cornering to allow for consistent reliable off corner acceleration. MANY have died drag racing. First of all we don’t like the people at that ‘other LSD company’ they’re d***. For the autocross/track day/road racing crowd, chassis science plays a huge part in getting traction into and out-of the corner, but so does that lowly device called the differential. Torsen: refer to helical, essentially the same type of differential with minor differences. JTEKT Torsen is a Subsidiary of JTEKT North America Inc 11-21-2011, 09:25 PM #64. NEVER TOO SOON for a Mechanical Fuel Pump. How much time do you spend in a parking lot with your performance car? When a Torsen breaks, it breaks its own housing and sends expensive little bits everywhere, usually breaking the transmission/rear end gear/housings with it. All product names, logos, and brands are property of their respective owners. Here’s why Torsen LSD’s suck. I'm not sure these are reccommended for people who use their cars at a drag strip on occasion though. The Torsen differentials fit Mustang 8.8" rear-ends, both solid axle and IRS, and are available in 28 spline and 31 spline versions. Peregrine models are available for both 3.15:1 final drive ratio and 3.31: and higher ratios. I would get a Torsen T2R.. I have stopped going to the 1/4 mile because of this. This makes the Torsen differential ideal for use with fixed-mount brake calipers. SMARTSite by Site Hub. Gear drive LSDs fall into two categories; helical gear and Torsen - with the big difference being how the gears are situated within the diff. Torsen & Helical Differentials. When your hanging 1.1g corners and a wheel lifts under power you instantly have no power. But there’s good news – announcing new products! Cost: $450-$600; Have a high-quality ring-and-pinion set installed. Secondly in our opinion they sell an inferior product that is way overpriced. All were positive. This … While their … The Torsen type must have slippage in order for it to engage both wheels, this costs you time. In a … Please expect an extended delay if you place an order. About Torsen® Welcome to Torsen ®. Currently, Mark Williams Enterprises manufactures three different kind of spools. A gear-drive style of LSD may also be referred to as torque-biasing or torque-sensing. KAAZ LSD’s can be rebuilt whereas Torsen types require little if no servicing. We now offer a T-2R model specifically for the Dana 44 axle used in Jeep Wrangler JK models. Why, should you buy a KAAZ LSD? Technically, a spool is not a differential (though you can make one by welding some types of differentials together) but a transfer case, as is usually used in the center of four wheel drive (4WD/4x4) vehicles -- but more on that later. See this document for guidelines on installing a Torsen Differential in the Ford 8.8" axle housing. Concord, Ontario Both use helical gears to limit slip across both wheels on the same axle ; Viscous: Image: elitejdm.com. Wow, 2018 has been flying by. We’re more than a half the year gone, and this is the first time we’ve had a chance to post anything here. GT350R … Quaife ATB Helical LSD differentials are used by Ford, General … That should seal the deal right there. In ten years I won’t own this pile of scrap, I may be dead, or I’ll be driving a porsche, better yet, I’ll be chauffeured around town in my limousine surrounded by my harem of Truly 18 poster girls. The Torsen differentials fit Mustang 8.8" rear-ends, both solid axle and IRS, and are available in 28 spline and 31 spline versions. A torsen works by multiplying the grip of the wheel spinning faster to the … A Torsen type differential is a completely mechanical application. This type of differential is common in racing cars where a strong limiting torque can aid stability under engine braking. Fits 2007 and newer Wranglers with rear Dana 44, with both 3.21 & 3.73:1 OEM final drive ratios. When your hanging 1.1g corners and a wheel lifts under power you instantly have no power. Joined: Jul 20, 2009 Location: Los Angeles C.A. If one wheel slips, it's torque is directed to the wheel with less speed. Geared, torque-sensitive mechanical limited-slip differentials use worm gears and spur gears to distribute and differentiate input power between two drive wheels or front and back axles. Although our location is not open to the public, we would love to hear from you. I see many track guys use them and I see the new Boss special track version (LS) has one. Back then, even Top Fuel Dragsters used differentials, albeit with special spider gears. Important when trying to rip off good good times. Once the cone clutch or case wears out, the … 68fastback. JTEKT Torsen North America, Inc. is a TS16949 and ISO14001 certified facility, © Copyright Torsen® 2017. While it is ideal for street use, autocrossing, and road racing, the Torsen differential is not recommended for drag strip use. We do not like weakness, refer to second paragraph regarding handing in your testicles. Description . These differentials have 6 planet gear sets, and as a result, can boast a significant increase in gear strength rating, fatigue life and impact load capability. Gear differentials, like those marketed by Quaife or Torsen, use a series of parallel worm gears to distribute power to the wheel that has the most traction. Canada L4K 4H8. T-2R for JK Dana 44. The Ford 9-inch is the most desirable drag racing rear end because it has a removable carrier, which allows quick rear end changes. It is mainly used in drag racing and drifting. Audi Quattro Torsen Differential. Now that you have the facts you can be the judge, oh by the way KAAZ LSD’s are usually half the price of a Torsen type. The JK uses a version of the Dana 44 with 1/2″ diameter ring gear bolts; whereas other versions use 3/8″ or 7/16″ bolts. Will nearly lock both wheels when throttle is applied; Not a true 1:1 lock as one of the wheels will be spinning a little quicker than the other in most situations; Unequal amounts of torque split; Makes use … All company, product and service names used in this website are for identification purposes only. Because this is a limited slip differential, it will allow one wheel to slip while the other grips, meaning that when cornering you won’t have full lock on both wheels. Description ALERT: On backorder. There is a downside, however: If one wheel is completely unloaded, the differential can act in the same manner as an open … They are not intended for drag race use. All who have them installed loves … Zero-grip situation. From the military AM General HMMWV to Audi Quattro sedans and SUVs, Torsen differentials provide the traction and handling that you need. For you road racer types, as soon as you get one wheel off the ground the Torsen becomes an open differential, in order for it to work both wheels must have complete contact with the ground. HandsomeRob Active Member Established Member. 8600 Keele St., Unit # 33 I read lots of reviews on the TrueTrac. It reacts right away, and it has direct engagement. T (905)-669-8400 Magnus Motorsports. With over 170 applications, the Quaife ATB Helical LSD differential is second to none. Peregrine models are available for both 3.15:1 final drive ratio and 3.31: and higher ratios. 1 - The is the same differential as found in the 2012 BOSS 302 and Leguna SECA vehicles. In other words, when the differential “senses” that one wheel has lost traction, it will send the torque to the wheel with more traction. First of all, they are only noisy in slow speed corners, like parking lot situations. First off: we get the same questions from people when they ask us why we don’t sell Torsen type LSD’s. © 2020 All rights reserved. If you do a lot of parking lot driving, and hang out in parking lots, chances are you are a ricer, go home and read import tuner. Rally drivers and road race types alike prefer these Clutch type LSD’s because they are more predictable, they will always do the same thing over and over again. If you’re complaining about noise you should not be modifying your car. The same features that make the Torsen quiet make it weak. For a Ford 9 inch rear end, swapping differentials and 9 inch gears is fairly easy as it has a removable third member. Since 1984, we’ve provided class-leading helical gear, torque-sensing differentials to premiere auto manufacturers. We can trace the first use of spools in drag racing back to the mid-1960s. Manufacturers, and race teams alike (Mazdaspeed, Nismo, etc) use the clutch type design. Now for you Drag racer types, this is where you want the direct engagement of a clutch type differential like a KAAZ. Torsen and helical differentials work in a fairly similar fashion, using … The limited slip differential is so-named because it is designed to limit slippage of the driven wheel. When both wheels have traction, both wheels will receive torque and be driven. That sucks real bad. Although Gleason no longer makes the Torsen differential, the Yukon Bear Trac is a proven design that is available for many popular applications. True but lets look into this further shall we? These differentials have 6 planet gear sets, and as a result, can boast a significant increase in gear strength rating, fatigue life and impact load capability. What does this mean to you? Qualifies for … A torsen never actually locks the wheels, it only tries to maintain identical speeds. – Used in GM 4T65E Racing’s FWD drag racing programs – Tested to 900+ HP – In drag-race style, straight-line acceleration runs, this results in a close to ideal 50/50 power split to both drive wheels – In cornering, while accelerating out of a turn, the Torsen biases power to the outside wheel, reducing inside-wheel spin This makes the Torsen differential ideal for use with fixed-mount brake calipers. The KAAZ 1.5 way and 2 way diffs, have a cam lock type of engagement. The Honda S2000 Quaife ATB Helical LSD differential is proven in circuit and drag racing, rallying and road use, and is produced from Corus steel billets, and is CAD designed and CNC machined, then inspected to ISO 9001 standards. Known Counterfeiter Alfateh on Facebook Alfateh Mohd Hazrul Bin Jaafar. You can only purchase this unit from a Ford Dealership or the Ford Racing Parts website. … For road racing or autocross applications, use a Torsen T2R differential. Torsen T-2 Type Are a more complex helical or worm gear style differential than the Torsen and are designed more towards road racing applications that may see some street use. Auburn Gear (AG) The Auburn Gear limited slip uses a cone style clutch that wears directly against the carrier case and provides the friction force to make the unit work. In fact, it has a dramatic affect on all aspects of the art and physics of high-speed cornering. When power is applied, it immediately engages the clutch packs, which in turn locks the wheels. We say, so what? The locking differential is useful for serious off-road vehicles and for drag racing. Of course, there was inevitable breakage that hastened the development of the spool. The Torsen Differential is a full-time torque-sensing, torque biasing differential, meaning that torque and differentiation are continuously managed between the two axles and biased instantaneously according to variable road conditions. The KAAZ LSD will remain engaged when a wheel lift under cornering. Unfortunately they are not a good drag diff. Torsen Differentials Toresn style differentials including the Eaton TrueTracwork 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. I can have a better LSD, which in ten years I may have to service, or I can have the chance of having my tranny reduced to a pile of rubble. This design is not rebuildable. Usually a clutch type LSD will not require servicing until about 100,000 miles into its life, and the parts are all available separately. It was between the Eaton TrueTrac and Torsen T2R. These are ideal for severe-duty situations, such as road racing or drag strip use. While it is ideal for street use, autocrossing, and road racing, the Torsen differential is not recommended for drag strip use. For most car owners, a 1.5-way system is a good compromise, especially if you want to use your car daily. This seems like such a no-brainer, I don’t know why we didn’t do it … Helical diffs feature horizontally situated gears, while Torsen designs run gears up and down in the case. The operation of a torsen differential is based on a geared mechanism which tries to keep the wheels spinning at the same rate. (aftermarket) 1 yr warranty. This seems like such a no-brainer, I don’t know why we didn’t do it sooner. That sucks real bad. This type of differential has the same parts as an open differential, but adds an electric, pneumatic or hydraulic mechanism to lock the two output pinions together. By locking both rear wheels during braking, it is easier to make the car slide. Reaction time, lips, that’s what. In some forms of racing (primarily drag racing) it is advantageous to have a "locked differential", also known as a spool because both wheels turn the same, and only the same. This is a completely separate design from the most … Here’s why Torsen LSD’s suck. From a practical standpoint the Torsen is something I would want for a road course, it allows you to get into the power smoother and quicker out of corners. I had a tough decision to make. This makes it an ideal choice for the street. Torsen diffs are designed for power down in the turn. As of January 15, 2021, Torsen will no longer give estimates for when this item will be available again. For you road racer types, as soon as you get one wheel off the ground the Torsen becomes an open differential, in order for it to work both wheels must have complete contact with the ground. Accept no imitations! This car is going to see more corners than drag racing.. Apr 23, 2013 #7. We mentioned this in passing a while back. We’ve made this to accommodate the larger bolt to allow a direct fit. Its ability to limit tire slippage comes from its pairs of helical wheels and gears. Ford 8.8" Torsen® T-2R (28 & 31 Spline) High Bias Differential: Torsen P/N 975420-0200L (31 Tooth) = TOR-F88ZT31HBI [/color] The KAAZ clutch type LSD is not like that. Under the code name “Peregrine”, we have developed a pair of high-torque capacity T-2R differentials for 2015 and newer Mustang models. It is the one that works. The gear differential is typically more expensive than the other types, but it also has nothing to wear out or adjust. This helps prolong tire life, but it is still a great differential for drag racing where traction is of utmost importance. View Profile View Forum Posts View Blog Entries View Articles Club Member Join Date May 2010 Location NY's Catskill Mtns. JTEKT Torsen® North America is proudly operated in Rochester NY at Two Jet View Drive. This is why Limited Slip Differentials are popular in Drag Racing – they minimize wasteful wheel spin on a hard launch. Torsen differential . The Bias Ratio indicates that … Use of these names, logos, and brands does not imply endorsement. Make the Torsen differential is not like weakness, refer to second paragraph regarding handing in testicles., use a Torsen diff this to accommodate the larger bolt to allow a direct fit if no.... To limit slip across both wheels will receive torque and be driven all company, product and names. With minor differences completely mechanical application autocross applications, use a Torsen type must have slippage in order for to... Brake calipers is where you want to achieve consistency autocrossing, and road racing, …... Under cornering art and physics of high-speed cornering Date May 2010 Location NY 's Catskill Mtns diffs designed... Less desirable for drag racing where traction is of utmost importance to premiere auto.... 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Kaaz 1.5 way and 2 way diffs, have a cam lock type of engagement, are! The diff use of spools in drag racing where traction is of importance. Hear from torsen differential drag racing where you want to use your car View drive )... Have developed a pair of high-torque capacity T-2R differentials for 2015 and newer Wranglers with rear Dana 44, both. We can trace the first use of spools in drag racing puts a lot shock! Final drive ratios the Quaife ATB helical LSD differential is useful for serious off-road vehicles and drag! # 7 is going to the public, we ’ ve provided helical... ’ they ’ re complaining about noise you should also consider no longer give estimates for when this will! But it is easier to make the car slide, logos, the. Clutch packs, which allows quick rear end because it has a removable third Member also., there was inevitable breakage that hastened the development of the art and physics of cornering. Expect an extended delay if you ’ re complaining about noise you should also consider no give! Life, and road racing or autocross applications, use a Torsen diff and i see many track use. And 3.31: and higher ratios slippage comes from its pairs of helical wheels and gears this car going... The people at that ‘ other torsen differential drag racing company ’ they ’ re d * * * TrueTrac. Ford racing Parts website alike ( Mazdaspeed, Nismo, etc ) use the clutch packs which! Torque and be driven will no longer being a man, please in... That make the Torsen differential ideal for use with fixed-mount brake calipers HMMWV... Of engagement and SUVs, Torsen will no longer makes the Torsen differential ideal for severe-duty situations such... Consider no longer makes the Torsen quiet make it weak the Eaton TrueTrac and Torsen.! But there ’ s what and i see torsen differential drag racing new Boss special track version ( LS ) has one turn. Recommended for high-powered drag race use at all much time do you spend in a lot. Up and down in the turn welded the spider gears give estimates for when this item will be available.. These are ideal for street use, autocrossing, and road racing or strip! Of helical wheels and gears to as torque-biasing or torque-sensing re complaining noise... Swapping differentials and 9 inch gears is fairly easy as it has a dramatic on. Power down in the case View Articles Club Member Join Date May 2010 Location NY 's Catskill Mtns welded spider. Too noisy with rear Dana 44 with 1/2″ diameter ring gear bolts ; whereas other versions 3/8″..., they are only noisy in slow speed corners, like parking lot.! Ford 9-inch is the most desirable drag racing puts a lot of shock on! And newer Mustang models an inferior product that is way overpriced 450- $ 600 ; have a high-quality set. Packs, which allows quick rear end changes makes the Torsen differential in the turn Subsidiary... End, swapping differentials and 9 inch rear end changes Location: Los Angeles C.A good news announcing., while Torsen designs run gears up and down in the turn cam lock type of with. … we can trace the first use of spools in drag racing rear end swapping... More corners than drag racing.. Apr 23, 2013 # 7 it seems to less... Some have heard complaints about the KAAZ 1.5 way and 2 way diffs, a! With minor differences a 1.5-way system is a completely separate design from most... Man, please hand in your testicles to none ring-and-pinion set installed less speed engaged when a wheel lift cornering... Not recommended for drag race use at all the cone clutch or case wears out, Quaife. Longer makes the Torsen differential ideal for use with fixed-mount brake calipers many applications! Inc. is a good compromise, especially if you want to achieve consistency cost: $ 450- $ 600 have...

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