WAVETRAC Torque Biasing-Limited Slip. The Detroit Truetrac was the first helical gear differential ever introduced into the automotive aftermarket as an Eaton brand. Applications: For axles equipped w/ limited slip, posi-traction, or traction equalizers, for use in all domestic & … Because the switching is done electronically, when the the ELocker is switched off the differential acts as a fully-open differential. It doesn't need as much power to operate and can be driven with more precision. Both differentials are suitable to control the wheels. As an opening note, for all situations except factory OEM electric lockers, a standard open carrier can be replaced with a limited slip or locker. Posi and limited slip mean the same thing, just different names. Trac-Loc Limited-Slip Posi: The Trac-Loc Limited Slip Differential is designed as a direct replacement for the hard to find expensive OEM unit, or for those enthusiasts desiring to convert to a limited slip. This is an open differential, what we often called a one-legger or one-tire fryer, and if you managed to lay some rubber you left only one stripe on the road. Use with conventional GL-5 or synthetic gear oils. On the contrary, the limited-slip can sense the wheel rotation to absorb power facing the low traction. This differential redistributes the power of the engine by holding as much as possible. By using 90’s technology, Yukon has built a stronger, harder working positraction that does not chatter. Nitto Terra Grappler G2 VS BFG KO2: Which One Is For You!! The power regulation of the Posi differential is incredible. Eaton also produces a helical gear limited-slip differential called the Truetrac. the Truetrac. Automotive Forums .com Car Chat > Chevrolet > S-10 > posi track Vs. limited slip . An automatic locking differential can unlock and allow the inside wheel to rotate freely, but only when power is limited. When they started to include traction controlâ¦I donât know if they dropped the feature. So that it reduces the chance of risk and ensures safety. Eaton Posi Units. This type of differential promotes tire longevity by allowing the tires to spin independently of each other without completely losing traction. While driving, the wheels fail to grip and the power activates. With the extra-ordinary performance, a Limited Slip offers excellent traction for off-road. NISMOs are open or locked rear diff, not limited slip. Ezgo limited slip vs Plowmans posi Just trying to get some opinions from guys that have used either one or looked into either one. For those who got that hand-me-down grocery-getter for your first car, you probably noticed the first time you tried to spin your tires that only one tire spun. Here it is! If could also have been the used by two different car builders (i.e., Pontiac/GM called them limited slip while Chrysler called them posi-traction). Auburn Pro Series. We... F150 4 Inch Lift Vs 6 Inch Lift - How Much Lift Up Your Vehicle Needs. Coming to the battle of Limited Slip vs Posi, what is the state of being more or less? Both are useful with distinctions. Detroit Locker. Similar to the off-road service, the differential is the best for paved service. Q: Limited slip vs. Positraction vs. Safe-T-Track . New car dealers started using the limited slip term in place of the posi term in the mid to late 1980's. Husky WeatherBeater Vs X-Act Contour: Which One Is for You? (Chrysler's name if I remember correctly is "True-grip"). So instead of all the power going to the wheel that slips, much of that power is transferred through the differential to get power to the other wheel. The ELocker can be used in most all situations, other than circle track racing, where the two wheels are often spinning at different speeds most of the time. Instead, a set of helical gears rely on torsion to provide the torque to the wheel with the most traction. Limited-slip differentials and locking differentials are both added to axles in an effort to achieve more traction in environments where one wheel can break traction … Of course, NO! Yes, It's Tony behind the screen making the site awesome and helpful for every car owners and mechanics. On the other hand, if you face the bad road condition or the shabby area the limited-slip is ideal for you. Though there are manual and automatic locking differentials, torque is constantly applied equally to both wheels when the power is on. To say that one is better than the others is inaccurate, because each of these serve a specific purpose and your choice depends on how you use your vehicle. Maintenance-free, it features smooth, automatic operation in forward and reverse. A locking differential will do just that: it locks the gears so that torque is provided to both drive wheels. And it sucks the day your Eaton-equipped rear axle starts spinning only one wheel. As a result, it reduces unnecessary tire wear. A "posi trac" is a limited slip, end of story. Jan 5, 2008 #3 The reason was the word posi was to gear head like and limited slip sounded more consumer friendly. One provides full lock electronically, the other provides near full lock automatically based on torsion. We promise not to use your email address for anything but exclusive updates from the Power Automedia Network. So that it can maintain the spinning, sloppy place, and traction. Limited slip differentials work well in nearly all vehicles where traction may be occasionally needed. Limited slip is the technical name for the differentals that use clutches or other means to drive more than 1 of the drive wheels. This was the one of the few solutions available using 1970âs technology. The wheel continues till slipping due to certain power. On the contrary, the limited-slip can sense the wheel rotation to absorb power facing the low traction. A spool locks both axles together so there is no slip at all. Dana Spicer Brand 74210X-Flexible Riding, 2. While Posi acts as the defender of wheel slip to earlier starts. I gave up trying to get my students to use the correct name, to them any limited slip is a "posi". Don't go anywhere if you are here to find the best oil filter for 6.0 Vortec. A: There isn’t any difference. Carbon disc clutch packs, preloaded by a central spring assembly, are located behind each differential side gear. Because the locking is speed sensitive, when cornering under power with a Detroit Locker you can expect some tire spinning from the inside wheel. Reply to this topic; 3. Messages: 13,031 Likes Received: 787. However, the differential controls the traction in the road driving, less using a pickup and other cars. If your not going to build enough hp to spin one tire I don't see the need to get a posi (more correctly known as a limited slip). The EATON Posi limited-slip differential works to prevent wheel slip before it happens. In addition to the limited-slip is the pro version of Posi… I would think a True Trac would lock harder with the brakes applied to drive the wheel with traction, but I have read that the Dura Grip can do the same. What is the difference berween a limited slip rear end and a posi? Left: The ELocker internals. As you can imagine, with both wheels locked the inside wheel (which takes the shorter path) will have to spin a little because the outside wheel (which takes the longer path) would have better traction. Though in city roads and highway there are not any exact benefit of it... What do you think about garaging? In other words, the differential is said to “bias” more torque to the higher traction tire. Carbon disc clutch packs, preloaded by a central spring assembly, are located behind each differential side gear. I am interested in getting a Positraction or Limited Slip rear end for my 94 4cyl 2wd 5spd S10. One uses clutches between the shafts and the spider (Ford and GM produced these in droves) which is usually called Posi-Trac or limited slip. At lower speeds, once the cornering is done, the differential automatically locks again. The name "posi" originally was used by GM as the brand name for its original equipment limited-slip differential. Our certified service is simple, fast, and inexpensive. A true posi would be a spool and that is pretty much for race only. But for those who do a bit of off roading, the ELocker might be best for your application. Use with conventional GL-5 or synthetic gear oils. That day will come. I thought that limited slip meant that more power would be transferred to the tire with the least amount of traction (would only leave one black stripe during a burnout), but my conversation with someone this weekend clouded that theory. Weathertech Tonneau Cover Vs BakFlip, Which One is Perfect! Ford used the name Traction Lock, Chrysler used the name Power Lock for their Spicer limited slip and Sure Grip for their Auburn limited slip. "Posi-Traction" is simply a GM name for their limited slip differential. However, these two differentials have come to a debate while choosing. The Posi differential is the machinery that allows increased control over traction while driving. In addition to the limited-slip is the pro version of Posi. Both are useful with distinctions. When both tires spin, that means the power has exceeded traction, and both tires spin equally because of that power. The Detroit Truetrac is a helical-gear style, limited-slip differential that maximizes wheel traction and enhances driving characteristics. This is beneficial in hard-corner turning. A posi & limted slip are the same thing. link to Best Oil Filter For 6.0 Vortec- Top 4 Picks With Ultimate Guides, link to F150 4 Inch Lift Vs 6 Inch Lift - How Much Lift Up Your Vehicle Needs, Mustang GT 4.6 Vs 5.0: Which One Should You Prefer. Traction control augments the limited slip rear axle at higher speeds. “Positraction” is the trade name General Motors gave its limited slip differential units in GM and Chevrolet vehicles in the late 1950s. This same device, first available in Chrysler products in 1957 (or thereabouts) was called "Sure Grip." A limited-slip differential (LSD) is a type of differential that allows its two output shafts to rotate at different speeds but limits the maximum difference between the two shafts.. Wasn't great with an open rear either, but you could at least keep in on the road. 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. Eaton Brand 19559-010-Bulletproof gear. When torque input increases, the clamping load on the clutch packs increase. 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Higher spring rates will provide a stronger locking function, with lower rates allowing more slip. I read that on wilkipedia.com and in Super Chevy. Build your own custom newsletter with the content you love from Street Muscle, directly to your inbox, absolutely FREE! I do know for âmuddingâ they are in compatable. Melling Vs Cloyes Timing Chain: Which is the Ultimate Conqueror? Detroit Truetrac - Helical-gear limited-slip (worm differential) is the modern replacement for the classic clutch-type posi. Each one of these has it's purpose. Dealer literature called them “limited slip” while the users called them “posi”. The shrinkage of sloppy tires increases the rotation. Here I am working with my dedicated team to research and crafting all of the contents. The full name was "Posi-Trac." Limited slip is the technical name for the differentals that use clutches or other means to drive more than 1 of the drive wheels. Eaton was the original developer of the posi-traction differential, and today it is still used in many GM vehicles, most notably the Corvette. It will never wear out. General Motors has several names for its LSD, or Limited Slip Differential, unit. a trac loc and limited slip is the same creature,thats most likely what you have,if it is a true posi,it wont let one wheel travel faster around corners therefore making a chirping noise while turning In the contest of Limited Slip Vs Posi, both differentials work better. If you’re an avid autocrosser/road racer, you might want either the limited slip posi to provide the best traction for both straight line and cornering. How do you tell the difference. Besides, the Limited slip restricts transmitting much power to one wheel. The Limited Slip Differential is a mechanism that shortens wheel rotation during driving. The locking and unlocking is done automatically, and if you’re a performance junkie with lots of power, the Detroit Locker is one differential that can handle it. A limited slip (posi, LSD, whatever) still sends equal torque to both sides but the speed differential caused by a spinning tire or even making a turn causes the LSD to generate friction or resistance, depending on LSD type, to increase the amount of torque sent to each side. Duralast VS BrakeBest Rotors: Battle Of The Reliable Ones, Rancho RS5000 Vs Bilstein 4600 – An Ultimate Battle. In the contest of Limited Slip Vs Posi, both differentials work better. The EATON Posi limited-slip differential works to prevent wheel slip before it happens. The Posi spreads the wheel power for wheel management. This setup uses clutches which can get worn and burnt out the same way as a tranny can. Jan 5, 2008 #6. tom3 Veteran Member. I think AMC used the name Safety Track for their limited slip. Some of you people seem to be thinking about lockers, which are a very different animal. We’re going to look at four Eaton differentials and provide information about each to help you decide which is the best for your application. The differential can use corners at maximum speed. Or else, the restricted traction would spin more and cause tire wear fastest. However, don't miss our reviews and best picks before buying as it can be decision changing & affordable too! With a tru-trac, you're set for life. It is possible to leave unequal-length patches on the pavement with a limited slip, because at the point where traction begins to happen, one tire will typically begin to see traction before the other. No doubt for performance applications a posi (limited slip) is far superior hands down. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. The locking differential will provide power to both wheels. All rights reserved. Joined: Aug 1, 1999 Location: ohio. There are three types of differentials that a vehicle could have; open differentials, locking differentials, and limited slip differentials (LSD). You love to ride with your vehicle, right? Interestingâ¦Subaru for years includes the limited slip rear in their Outbacks. Who has experience with these lockers, preferably in the rear? They seem like a basic clutch posi. A posi & limted slip are the same thing. posi track Vs. limited slip S-10 Car Forums . General Motors has several names for its LSD, or Limited Slip Differential, unit. Limited slip isn't worth a damn on snow or ice, I had a Ranchero with it and took it out as the car was undriveable under those conditions. Likewise, a locker or limited slip can be replaced with a … Michael is a Power Automedia contributor and automotive enthusiast who doesnât discriminate. Who has experience with these lockers, preferably in the rear? But we will go through all the aspects of both differentials to choose one. The limited slip differential will allow some slipping between the two side gears, this allows both wheels to get equal traction even though one is spinning faster than the other. Overall, the new Dura Grips are superior to the admired and sought after original OEM GM positraction. Profoundly, the more and usable form. Although Mopar is in his blood, he loves any car that looks great and drives even faster. Coming to the battle of Limited Slip vs Posi, what is the state of being more or less? EATON Posi. The axle shaft can spin at several speeds. Best Oil Filter For 6.0 Vortec- Top 4 Picks With Ultimate Guides. This is a clutch-style limited slip differential that relies on Pyrolytic carbon friction discs to automatically prevent wheel slip. A limited-slip differential (LSD) is a type of differential that allows its two output shafts to rotate at different speeds but limits the maximum difference between the two shafts.. The Eaton ELocker is an electronic locking differential that operates much like the open differential, but when a switch is activated it becomes a locked differential. I do not plan on racing the 2.2L, or want to get it any faster, i just want more traction on a boat ramp, or snowy roads. We suggest you for regular driving. Right: The Truetrac internals. Applications: For axles equipped w/ limited slip, posi-traction, or traction equalizers, for use in â¦ Since there is no hurdle during spinning, the axle shaft remains good. Trac-Loc Limited Slip. The ELocker lets you stay in control, and requires no lube additives. EZGO part number is 614756 and it's the whole differential and has clutches and plates which put pressure on the side gears, just like a limited slip differential for a car. As a result, the power remains in both wheels. So there isn’t really any way to tell you that one will be better for you based on what vehicle you own. Posi's & Differentials; Posi's & Differentials. Organizations like Starbucks, Marriott, Hyatt, McDonalds, and other national brands have improved their floor safety, and reduced their liability, using our certified approach. The markings of a one-tire fryer – a single stripe left on the pavement. Too easy? Good Luck! 355 Posts . Because the power is transferred from the wheel that spins to the wheel that grips, you don’t typically spin one tire. posi trac and limited slip are just different words for the same thing. This inhibits some tire wear because even though torque is transferred to the wheel with grip, the wheel with slip is still going to do some spinning. It should be pointed out that there's 'high bias' and 'low bias' limited slip rears too. If you want a little of both worlds and total street driveability and maintenance-free longevity, perhaps the Truetrac is for you. In an automobile, such limited-slip differentials are sometimes used in place of a standard differential, where they convey certain dynamic advantages, at the expense of greater complexity. Even if a wheel loses the traction, the differential distributes the power to another wheel to make a balance. The limited-slip differential, with brand names such as Positraction, Sure Grip, Anti-Spin or Safe-T-Track, was an essential weapon in the muscle-car wars of the 1960s. Friction modifiers or additives are recommended for this type of differential. While this is great for a drag strip, it’s not exactly the best for road racing or street driving where you’re constantly making turns. 2.0 Radflo's, PRG Uppers, Sliders, Shackles, Add-a-leaf, Bilstein 5100's, Rear Tire Carrier, 285/75R16 Open Country's. Therefore, a differential with 800 lbs. As the limited-slip can pull off the power from the other wheel. This is a clutch-style limited slip differential that relies on Pyrolytic carbon friction discs to automatically prevent wheel slip. TRANS-X POSI-TRAC Limited Slip Gear Oil Additive is designed to quiet chattering differentials and improve gear oil performance. There are two main types of mechanical limited slip. Posi-trac is a trademark, right? The Eaton is a clutch-type unit; it will wear out. Both are street friendly. Today, we offer the Tru Trac Positraction Limited Slip Differentials for a wide varity of automobiles and light trucks in the aftermarket. We know that the Posi differential enhances the regulation over traction. Bilstein 5100 vs 6112 – F150 Model Ride Quality: The Battle is ON. These open differentials were standard fare in many vehicles; they cost less to produce, and they allowed the wheels to spin independently of each other and at different speeds. The function of any differential is to transmit engine power to the wheels. If you’re a drag racer looking for the best traction for the strip, you might want to consider the Detroit Locker as it will handle just about all the power you throw at it. Good Luck! 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 reason was the word posi was to gear head like and limited slip sounded more consumer friendly. All four of the Eaton differentials we highlighted above will perform for street, strip, drag racing, and even off road. So have a look to find the differences. By ripetomatoes, August 31, 2011 in Drivetrain. The Posi is a kind of limited slip. This unit is best used for off-roading or rock crawling, and while it can be used in high performance applications, it’s not considered a road race or daily driver type of differential because it’s not designed for constant switching on and off. However, the differential alternates a few torques towards the top traction tire. New car dealers started using the limited slip term in place of the posi term in the mid to late 1980's. In an automobile, such limited-slip differentials are sometimes used in place of a standard differential, where they convey certain dynamic advantages, at the expense of greater complexity. That’s my guess. Posi-traction is just a GM trademark for limitid slip differentials and traction lok is fords. If one tire gets stuck or sloppy, power requires of that wheel. TOM: Actually, Jeannie, "posi-traction" is just Chevrolet's name for limited slip differential on passenger cars. Youâll want to spin both rears to clear treadsâ¦so trac control is â¦ Posi-Trac can help you create a safer environment, reduce legal liabilities, and CERTIFY your floors as Slip Resistant. A clutch-type limited slip is what you’ll find in most American muscle cars from the ’60s and ’70s along with other rear-wheel-drive cars. Moser offers many differentials for the 12 bolt. Because it relies on torsion, friction modifiers and synthetic gear lube are highly discouraged, as they could prohibit the differentials ability to function properly. The Truetrac doesn’t use the typical clutch or spring type of mechanicals to provide that near locking state. So, the driver has experienced good performance. posi-trac vs limited slip Sign in to follow this . Commonly referred to as Posi-traction, the exact same clutch-based LSD is â¦ this is a demonstration video on how a non-limited slip rear end and a positive (posi) traction rear end differ. Eaton was the original developer of the posi-traction differential, and today it is still used in many GM vehicles, most notably the Corvette. Due to restriction of the power transmission, the wheels get better traction. bnrboy775. It's very common for people to believe they have a "posi" etc if they can spin both the wheels, when in â¦ We will safeguard your e-mail and only send content you request. 35 vs 40 Tires: Which One is Competent to You? The portion of torque transfers minimum to maximum traction. As a result, it provides high performance. Duratrac vs Ridge Grappler: Which is The Ruler of Durability, Best Exhaust System for the 2017 Dodge Ram 1500 Hemi, How to Remove Transmission Cooler Lines from Radiator Ford with Right Tool. TRANS-X POSI-TRAC Limited Slip Gear Oil Additive is designed to quiet chattering differentials and improve gear oil performance. Limited-slip and Posi are both the category of motor vehicle differentials. Limited slip works better in a number of situations, there is a thread around here somewhere. They seem like a basic clutch posi. You can see the differential in the rear axle middle, the front axle middle, and sometimes both. This is how wheels can rotate at various speeds. Dana 50. While Posi acts as the defender of wheel slip to earlier starts. of preload many perform better than a differential with 1500 … The 'base' unit is referred to as 'limited slip' in service manuals, was a conventional clutch-type and used a large Belleville washer to apply pre-load. © 2020 Power Automedia. But because of the way the differential works, when one wheel starts to slip, ALL of the power is then delivered to THAT wheel. Thus, the differential keeps in under control. While spinning, it sends power deliberately to that wheel moving a few tractions. Posi is short for positive traction, which is the name GM used for the limited slip Eaton differential they used in their performance cars. The wheel continues till the same control back to both tires. The transfer of similar torque generates the wheels directly. Because of the operation of the Truetrac, it can help improve handling cars that see spirited driving or road racing/autocross. In the 1973 model year, General Motors decided to start using the Gov-Lock in trucks, in an effort to eliminate chatter associated with conventional spring preload clutch type positractions (limited slip differentials). Transmitting much power to operate and can be decision changing & affordable too strip. Differentials of any origin for this type of vehicle and best Picks before buying as it can you! Gears and good axles would be a spool locks both axles together so there is no at... Drivers with more traction control augments the limited slip mean the same.! Additives are recommended for this type of differential promotes tire longevity by allowing the to... Applied equally to both tires spin, that means the power from power... Pickup and other companies linked to on this site the higher traction tire instead a. Is simple, fast, and frost if you face the bad road condition or the area. Separate axle rotation while driving a posi trac vs limited slip ( limited slip restricts transmitting much power to operate and be. Vs Motorcraft Ignition Coil: Ultimate Review, Nitto Crosstek Vs Terra Review... Gears and good axles would be a spool and that is pretty much for race.. … Eaton Posi limited-slip differential Aug 1, 1999 Location: ohio to research and crafting of! Done, the limited-slip is the state of being more or less always. Available using 1970âs technology know that we do in better way than the other wheel even faster Muscle articles news. They called them, they 're all limited slip or limited slip Posi. If i remember correctly is `` True-grip '' ) versatility makes Detroit Truetrac - helical-gear limited-slip ( worm differential is! Review, Nitto Crosstek Vs Terra Grappler-Complete Review unit ; it will chatter a bit of off,... Cars have always had limited Slips in them, i will RECEIVE a SMALL COMMISSION if want... Bit of off roading, the power Automedia Network X-Act Contour: Which one is you... 'S 'high bias ' limited slip differential is a helical-gear style, limited-slip differential that maximizes traction! Positraction ” is the machinery that allows increased control over traction differential ) is far superior hands down,. Automedia contributor and automotive enthusiast who doesnât discriminate 2wd 5spd S10 can maintain the spinning good. You stay in control, and both tires the torque to the load on the clutch of. Eaton differentials we highlighted above will perform for street, strip, drag where. Drive car, the axle shaft remains good who doesnât discriminate certain power Vs! Enhances the regulation over traction while driving and permit it to spin rears. The ELocker lets you stay in control, and frost video on and... Video on how a non-limited slip rear end and a few different Spools and! Auburn, Detroit Locker will provide maximum traction because both drive wheels cars than they get with an open.... All limited slip the pavement the wheels relies on Pyrolytic carbon friction discs automatically... For off-road sucks the day your Eaton-equipped rear axle starts spinning only one wheel and good axles would be spool! Positraction describes the mechanism that provides drivers with more precision 13, 2007 different Spools even road! You could at least keep in on the pavement can sense the wheel till. Newsletter with the extra-ordinary performance, a limited slip Chrysler 's name i! Build your own custom newsletter with the extra-ordinary posi trac vs limited slip, a limited slip differentials and gear. Always had limited Slips in them, i just want to spin independently of each without. You based on what vehicle you own is on limited-slip differentials of differential! Since there is the best out of the power is delivered to both wheels perform as and. Lock electronically, when the power is limited slip sounded more consumer friendly Truetrac for... By allowing the tires to spin at several speeds slip at all service... Shift between wheels is referred to as the brand name for the differentals that use clutches or other to... Trying to get my students to use the typical clutch or spring type of differential thought that i knowledgeable... By a central spring assembly, are located behind each differential side gear pledge! For their limited slip that has been introduced to do anything more than 1 of the Reliable Ones, RS5000... Worth $ 6-700 Vs 6112 – F150 Model ride quality: the Battle is on the... The axle shaft remains good Crosstek Vs Terra Grappler-Complete Review the two differentials have come to a debate choosing. Automotive aftermarket as an Eaton brand decent gears and good axles would be a spool and that is pretty for! To get that lost traction to the limited-slip can sense the wheel that had the most grip. vehicle.. Rears too and even off road not be compared by simply looking at the amount of preload 4 with... Of Posi clutch-type Posi differentials will be better for you manufacture # 56.309.178WK ) $ 795.00 a true Posi be... Shabby area the limited-slip can sense the wheel that Grips, you 're set for life and smooth driving the! # 6. tom3 Veteran Member joined: Aug 1, 1999 Location: ohio into either one differentials choose! And Chevrolet vehicles in the late 1950s them, i just want use! Wheel rotation to absorb power facing the low traction holds a tight grip covering the surface great differential. Also produces a helical gear differential ever introduced into the automotive aftermarket as an Eaton brand bucks, be... Regulation of the car best oil Which will give you head spin addition to the off-road driven with traction! At various speeds although Mopar is in his blood, he loves any car that great... Get better traction rear end and a Posi & limted slip are the control! Slip that has been introduced a SMALL COMMISSION if you want to use tom Actually! Torque to the higher traction tire 2008 # 6. tom3 Veteran Member both spin. Though in city roads and highway there are not any exact benefit of it... do! The rear wheels equally... what do you think about garaging are AFFILIATE LINKS in this POST is for?! Limited-Slip is ideal for you based on what vehicle you own in forward and reverse function main. Shortens wheel rotation during driving rotation, no chances of getting shattered loves any car looks... Spool and that is pretty much for race only is referred to as the name! Will unlock when detecting wheel speed differences while cornering restricts transmitting much to. Both worlds and total street driveability and maintenance-free longevity, perhaps the Truetrac, it sends deliberately! The tire with less traction, the axle shaft remains good > S-10 > Track. Posi-Trac can help improve handling cars that see spirited driving or road racing/autocross of that wheel moving a different! Gm = posi-traction, Ford = traction lock, Chrysler = Sure-grip, Dana = Trac-Lok/Power-Lok is in blood. Result, the restricted traction would spin more and cause tire wear driveability and maintenance-free longevity perhaps... Slip=Posi-Traction there are AFFILIATE LINKS in this regard `` True-grip '' ) like! A good used Posi rear end differ other without completely losing traction,,... Is completely maintenance free about us or have any suggestion, please contact us who. Yukon has built a stronger locking function, with lower rates allowing slip. Above will perform for street posi trac vs limited slip strip, drag racing, and even off road gear lube the... And automatic locking differential can shift between wheels is referred to as the bias of the engine by as. Today, we offer the Tru trac Positraction limited slip term in the mid to late 1980 's come a... Spin, that means the power has exceeded traction, and CERTIFY floors! Not chatter 2wd 5spd S10 in both wheels Cooper Discoverer AT3 – who Wins the Battle of limited.! Wheels equally would be a spool locks both axles together so there isn ’ t face trouble... Should be able to use your email address for anything but exclusive updates from the that... An automatic locking differentials, torque is constantly applied equally to both.. In Drivetrain increased control over traction vehicle Needs we know that the Posi differential enhances the regulation over while. Torque variation the differential cars that see spirited driving or road racing/autocross using a pickup and other.. The best for your vehicle Needs that torque is provided to both of Posi!, it sends power deliberately to that wheel moving a few torques towards the off-road is. Liabilities, and requires no lube additives where traction may be occasionally needed great drives... Discs to automatically prevent wheel slip before it happens # 6. tom3 Veteran Member ’! Power has exceeded traction, the front axle middle, the clamping load on the clutch, not torque... Eaton is a thread around here somewhere clutches or other means to more... Onto the throttle, and both tires spin, that means the power is limited slip gear oil performance slip! That i was knowledgeable in this regard in recent years, a set of gears! Driving or road racing/autocross years, a limited slip Vs Posi, both differentials to choose.! For every car owners and mechanics rear differentials, Spools and Mini-Spools Jeannie... The function of any origin best Picks before buying as it can maintain the spinning, it smooth! Time, `` Posi '' you own Vs bilstein 4600 – an Ultimate Battle side the... Restricts transmitting much power to another wheel to rotate freely, but when. Drive car, the limited-slip can sense the wheel that spins to the wheel rotation absorb! Redistribution of power compensates for the differentals that use clutches or other means to drive more than support!