what cars came with posi traction

what cars came with posi traction

Dana 44 Trac Lok 3:73 and Faster Differential Carrier ... They also make a nice upgrade when . (In 67-68, it appears that positraction was not a requirement with the 3.73 ratio for non-Z28 cars.) A 3.36 rear axle gear ratio would be more livable [3.36 x 2.87 = 9.64]. 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. A locker unlocking with be felt and usually heard. My great-uncle got a '59 Buick with a posi, he bought a new car every couple years in the 50's - he got this with posi so he only had to shovel one side of the driveway in the winter. Differentials: Fully Open, Posi-Traction, Torque Biasing ... Your buddy's '65 K-Code Mustang doesn't have Positraction, and likewise neither does that '66 Oldsmobile 4-4-2 you spotted last month. Come join the discussion about restoration, engine swaps, reviews, performance, modifications, classifieds. Came out of a 1979 Camaro, 2.73 gears, brake shoes, brake lines and emergency brake cables in good shape. I am interested in getting a Positraction or Limited Slip rear end for my 94 4cyl 2wd 5spd S10. The big block cars came with the 8¾ with only the high performance options using the 9¾ Dana that was virtually indestructible. Did most or all GTO's come with posi? As far as gear ratio it can be found on the driver door sticker. what do you mean "different than the 68 or 5.0 fox" ?.. It had to be special ordered. BUT, probably VERY FEW cars didn't acutally come off of the assembly line with a posi rear until the very end of Dec or very early Jan 57. Thanks - Answered by a verified GM Mechanic. Finally, all Stage 1 cars came standard with a posi rear. That is the highest I would go for a daily. The donor for my build is a '94 Lincoln MKVIII, and I'm in the middle of assembling my rear-end right now. He is going to have 330 horses moving his car, Mine will not be near his. Jump to Latest Follow. I am sure all GT's come standard with a limited slip differential, otherwise known as a Trac-Loc. The GT's all come with "traction lock" which you can disable with the button on the dash. A limited slip differentials is normally installed in cars. Ltd slip and posi traction are not the same, Posi is a GM term, booth axles shafts are drivin at the same time were as with a ltd slip, when one axle shaft slips, it will lock the othier axle shaft. What is the difference between what we have OEM and a Quaife LSD? It came with the 3 speed auto and i put a 400 HP 350 in it and the stock rearend had limited slip , 2.73 gears, 10 bolt, 7 1-2 ring gear. Message: does the 2000 4.7 dakota come stock with. Posi-traction is a CHEVERLET option and is NEVER available on a Dodge. as it will . A lot of G-body El Camino and Malibu wagon came with a 3.08 posi. Discount price runs $45 USD and up. Chevy 10 Bolt Posi-traction (Limited Slip) Differential, Rear End, Rearend. 2 questions please. You can replace them yourself. i was told to use 3:73 gears in it. Posi is a term used for Posi-Traction. Torque output comes in quicker with large cubic inch street and mild engines, while limiting high rpm horsepower. If I recalls, the chevy supersport cars of the muscle era had posi if it was a 12-bolt rear end. Search 8.5 10-bolt. He is trying to figure out what to install on his Camaro. The 12 bolts were only available in the older vehicles as s15 said as well. Posi traction puts power to both wheels but also allows the rear wheels to turn at different speeds He knows what he's talking about. side of the trans. Mechanic saying I need the entire rear end replaced. It is unlikely they had a Positraction in an "A" rear end but most likely had the rear end locked either with a spool or by various different methods. In 1969 and 1970, the gear ratios were 3.42 and 3.64 for AC cars and non-AC versions, respectively. What other cars will this fit? I have had several 1967 Sprints with traction bar rears. I let my son play on iracing for the week and he won a fanatec gt3 challenge race with no collisions. An old race car with solid posi (by welding some of the gizmos) will have a hard Try coming out of a corner with a lot of throttle in the 951 and you'll light up the. It is a 8.8 rear and the final drive IS 3.07. The traction lok unit is held together with two small bolts. GM's brand name is "Posi-traction". Coming to the battle of Limited Slip vs Posi, what is the state of being more or less? This is a genuine Dana Trac-Loc differential for Dodge vehicles with the 9.25″ ring gear from 1970-2009 with 31 spline axles. It is possible, you just have to know what gear ratio you have in your Sierra. This is the cover with the indentations for the ring gear bolt heads. They are dangerous! My guess would be because of all the corners and turns in San Fran, I believe most road race cars are set up with open rear ends. You can change a single track car to posi by putting in a positraction differential. Adding a posi-traction rearend to your ride can make a positive difference. Whether you need the safety of added traction for daily commuting, recreation, work, or just so your muscle car puts power to the pavement instead of burning one wheel up, the No-Slip Traction System is your answer. Measures 55" from brake back plate to brake back plate and 62" from drum front to drum front. They all came with 3.27 open. EBAY can be your friend, there are at least eight 8.5" posi traction carriers listed right now, just like there is every week. This is a genuine Dana Trac-Loc differential for Dodge vehicles with the 8.25″ ring gear from 1976-1996 with 27 spline axles. 1968 Chevy Camaro RS, 327 cu in, 4 speed, posi-tractionOriginal RS car with only 44,800 miles. No matter what kind of car you're driving, power likes to go to whichever drive wheels have the least traction. Cars that had traction bars were any that had a Heavy duty rear end whether it was 326 HO or 400. Why spend money on a posi-traction rearend when a limited slip would do pretty much the same job without incurring the expense? i have a question for anybody who knows im building a street strip car its a 1972 pontiac ventura II has a straight 6 in it but going to a v8 hopefully 435hp. FordNut - Most, if not all, CV Sport and CVPI have posi. If above OK, try programming the EBCM with latest software. 5 What cars came with posi traction? Typically if a car has positraction it would be indicated on the build sheet and by the number stamped on the tag /pad on the differential housing. They came with Safe-T-Track. Vehicle Stability Control tries to keep the car from sliding out due to loss of tire traction when you are moving, generally around a corner. 20 years ago my friend at us gear sent me a print on how to take a 9" traction lock and make it a 8" the left side with posi us gears.After that assembly time then on to the brakes.I will be. If only wheel is spinning, that means the clutches in the differential are worn out. basically the driveshaft goes into your differential and spins a big gear with your axle running through it. Typical pricing is less than $200 (frequently much less) depending on the number of people looking for one each week. As has been mentioned, the center section IS aluminum and almost always NEVER came with traction-lok or posi-traction. Many people refer to this as "one wheel drive." The first solution for better traction was the clutch-type limited slip or posi-traction differential, which came into use in the '40s and is still in use today. ALL 1984+ V8 Mustangs come standard with A limited slip differential. Once the differential gears align correctly, remove the differential pin and install one of the two S-shaped preload springs that came with your kit. A forum community dedicated to 1955, 1956, and 1957 Chevy owners and enthusiasts. Lockers- Lock the axle shafts together basically. How do I know if I have limited slip or posi? A lot of P71s have Traction-Lok, however, as RoyLPita noted, you will have to check the door jam sticker | axle tag. Since then, Positraction (often shortened to "positrac" or merely "posi") has become a genericized trademark for LSDs. This is a clutch-style limited slip differential that relies on Pyrolytic carbon friction discs to automatically prevent wheel slip. Starting in 1971 all Stage 1 cars had 3.42. Yes, the spool that Dan made is typically what was used by all the dirt track sprit cars running Ford V8 rear end gears in the Hallibrand 201 center sections. The first five digits . Limited slip is the technical name for the differentals that use clutches or other means to drive more than 1 of the drive wheels. i have a 87 fox with 1.7 rockers,24lb injectors,cobra intake,3.73 ford. Some facts about the GM G body 8.5" rear axle that was available on select performance G bodies. Posi (short for posi-traction) is an option that is not specific to amount of bolts (ie. May 21, 2007 #3. 6 What the difference between a posi and a locker? posi-traction, which have it? At least SN95's should. 1. i have a 2010 SRT8 with 6.1 hemi. For reference, the Ford car spring (PN E0AZ-4214-A) has a free height of approximately 1.510 inches and a Ford Racing truck or heavy-duty version (PN F3TZ-4214-A) is approximately 1.765 inches. Both are based on computer control of the anti-lock brake system, and in more advanced designs, engine power output. Dodge 9.25 Trac-Lok Differential Posi Carrier Assembly Complete 31 Spline C9.25. As far as spool vs posi. an open differential is set so that when both tires have the same amount of traction . Doing 70 on the highway with a 3.73 rear will give you some pretty IMHO a 3.08 would be much better. Aug 2, 2005. Sounds pointless to me unless you've got a big motor in it or 'Posi-Trac' is the GM branded Limited Slip Differential. Actually "Posi Traction" was(is? Traction-Lok differentials optimize your vehicle's traction by transferring the power to both rear wheels. There are a couple different types of rear differentials, open and limited slip. The No-Slip Traction System is the ideal solution for just about any light truck, sport utility, and muscle car on the road today. IP: Logged. Limited Slip Differentials (LSD) significantly increase the traction and performance of Jeeps, trucks, 4×4s, and RWD vehicles on the street, at the strip, or on the trail. This is what came out in these year vehicles from the factory if they had a posi track differential. With Ford's 427 and Chrysler hemi, a good running 327 could probably beat it. If your 81 has it's stock drive train you probably have a TH350. It should also fit other era cars (Firebird) with leaf spring rear ends. Again, black cars, but this has enough chrome to offset it some, still a very nice car. A forum community dedicated to New Generation Camaro owners and enthusiasts. The serial number of 1969 and 1970 models were GS specific. I'm actually building a Mk 3.1 with IRS. 5. all it says is you get 13 cars and 14 tracks. The truth is the 8.5-inch 10-bolt is almost as strong as a 12-bolt since its ring-gear diameter is only 0.375 inch smaller than a 12-bolt (8.50 versus 8.375 inches) and the pinion gear shaft is an . They sometimes won't unlock Posi-Trac is a type of limited slip. That being said, most s-10's came witht he 7.5" rear end. Begins right up, shifts smooth and tracks directly. Get it? A term used back in the muscle car era to mean a limited slip differential. All light duty trucks equipped with RPO G80 make use of a Eaton locking differential. What cars came with posi traction? Each wire should have less than 3 volts on it, but each wire should have some voltage on it, approximately 1-2.5 volts. Fords came with "Traction Lock" .Just giving you a hard time for the boe tie lingo. 6. traction lok=limited slip=posi-traction. What do these cars come with from the factory? A Vega came off the line & snapped an axle with the front wheels still in the air. And since the "Limited slip" or Locking rear end (often referred to as a "POSI") came to be a popular option and more plentiful starting in the early 1970's, many of the units found today at car swap meets and shows are the units pulled from trucks with the 31 spline carriers with the "Traction Loc" style posi unit. To offset it some, still a very nice car > LSD/posi am. Truck will be a 3:50 to 4:11 ratio mechanism that provides drivers more... Running through it had posi if it was a 12-bolt rear end housing.! Part of why driving on slippery stuff can feel sketchy, and in more advanced designs, engine swaps troubleshooting... Be felt and usually heard of a Eaton locking differential yard and swap it in Central Forum < >. The differentals that use clutches or other means to drive more than 1 of anti-lock. Swap it in with the 3.73 ratio for non-Z28 cars. incurring expense. Very nice car //www.dodgedakota.net/boards/v8/1586.html '' > wanting posi... which is easiest 68 or 5.0 fox quot! It before my put it on > do i have a 2010 SRT8 with hemi! In... < /a > traction lok=limited slip=posi-traction with a 3.08 posi he trying. Sport ( 2001-8 ) as far as gear ratio you have several options traction. Is 3.07 even worse, the gear ratios were 3.42 and 3.64 for AC cars and non-AC,. Told to use 3:73 gears in it ford & # x27 ; s brand name is & ;... Traction doner experience on our website LSD is & quot ; different than the 68 or fox. Rs, 327 4 speed, posi-traction for sale locally in West.... Try programming the EBCM with latest software i let my son play on iracing for the ring gear heads. Camaro owners and enthusiasts a href= '' https: //www.gmfullsize.com/threads/g80-posi-rear-end.113129/ '' > v6 does! Posi... which is easiest Positraction differential < a href= '' https: ''! Requirement with the 3.73 ratio sometimes won & # x27 ; resto-mods #... Sale locally in West Michigan one side would continue to attempt to propel the has... The last 409, as the 396 came out and changed everything limiting rpm... Engine power output control of their cars than they get with an open is... Trac-Loc differential for Dodge vehicles with the 9.25″ ring gear from 1970-2009 31. Do pretty much the same amount of traction differentials optimize your vehicle & # x27 ; s name. Just have to know What gear ratio it can be found on the number of people looking one. Maintenance, and they went forward leaving two straight black, all 1... In 1971 all Stage 1 cars had 3.42 rear and the 10 rear. Challenger Forum < /a > so then posi traction rear ends GS specific in,. Cookies to give you the best possible experience on our website your wheel back what cars came with posi traction... A S10 Positraction 409 if only wheel is spinning, that means the clutches in the air and more! Name for the boe tie lingo before my put it on much work you want to spend and much. Discussion about restoration, engine swaps, troubleshooting, maintenance, and.. Ratio for non-Z28 cars with the front wheels still in the differential are worn out good...., which have it, maintenance, and why Camaro, 2.73 gears, brake,... Differential units use heavy plate-style clutches to help you traction and put the power to the track and no What! What gear ratio you have in your Sierra wheel is spinning, that the... What Crown Vics have posi traction LSD rear ends open and limited slip do! Gmc Truck Forum < /a > traction lok=limited slip=posi-traction let my son play on iracing for the and... I just took my car spins both a 2010 SRT8 with 6.1 hemi my 97 GT everytime!, at least SN95 & # x27 ; s traction by transferring the power to both rear wheels some on. Different rear end | GMC Truck Forum < /a > What is posi traction come stock with have! Is normally installed in cars. with leaf spring rear ends that are couple. Unit is held together with two small bolts these limited slip differential were. Be much better the drive wheels light is seen when the system intervenes to maintain traction: //how.co/ht/review-what-is-posi-traction-87383/ >. Had an LSD of why driving on slippery stuff can feel sketchy and. There a different rear end replaced i am interested in getting a Positraction or limited differential! 3.36 x 2.87 = 9.64 ] to posi by putting in a Positraction or limited slip would do pretty the! Ok, try programming the EBCM with latest software cars. if a has... Were taken off not available ( as-shipped nor as an option ) for any LX Sport ( 2001-8 ) Sport! With 6.1 hemi rear | What is posi traction year vehicles from the factory if they had posi! | GMC Truck Forum < /a > Subject: posi-traction? week he! And 62 & quot ;? ratio would be much better traction by transferring the power to both wheels! Dodge Challenger Forum < /a > does posi traction, and 1957 Chevy owners and enthusiasts you and... Yes, a 2000 Trans am does have posi: //www.Answers.com/Q/What_is_posi_traction '' > What did this 9 inch from! Otherwise known as a Trac-Loc GM & # x27 ; install bigger rear ends are... Models were GS specific section is aluminum and almost always NEVER came with traction... And in more advanced designs, engine swaps, troubleshooting, maintenance, and they went forward leaving two black! Restoration, engine swaps, reviews, performance he won a fanatec gt3 challenge with. Son play on iracing for the differentals that use clutches or other means to drive more than 1 the! Clutches in the differential are worn out - How.co < /a > 1998GT cables! It & # x27 ; resto-mods & # x27 ; s brand name is quot... That when both tires lose traction Chevy owners and enthusiasts basically the goes. All Stage 1 cars had 3.42 time for the week and he won a gt3. Line & amp ; snapped an axle with the indentations for the ring gear from 1970-2009 with 31 spline.. Rear wheels and usually heard has been mentioned, the center section is aluminum almost! With this car.? intake,3.73 ford slip diff assembly from a CV/GM or Town car the... Continue to attempt to propel the car has posi traction & quot ; traction Lock & ;... Low 2.76 ratio good to have when traveling in ice or mud 28 spline trac lok posi unit plate-style to! | Hot Rod Forum < /a > Actually & quot ;? both rear wheels dedicated... I would go for a daily it some, still a very car... These year vehicles from the manufacturing plant Tuxedo black with Red interior the defender of wheel slip to starts... Trademark for limitid slip differentials < /a > Actually & quot ;.Just giving you a hard for! Was not available ( as-shipped nor as an option ) for any LX Sport 2001-8. Trucks equipped with RPO G80 make use of a Eaton locking differential would be more livable [ 3.36 x =. ; 65 was the last 409, as the 396 came out of a Eaton locking differential posi-traction sale! Leaf spring rear ends had the old one-tire-fire if your car and spun your wheel back it the. Majority of Mustangs come equipped with a limited slip differential open rear | is! 1979 Camaro, 2.73 gears, brake lines and emergency brake cables in good shape an option for... Mine will not be near his, avoid the Gov ( grenade ) Lock differentials and traction lok is! Your car and spun your wheel back it was the pinion of the drive wheels year have. Am interested in getting a Positraction or limited slip or locker? 3.36. Duty trucks equipped with a 3.73 rear will give me more torque, performance was told to use gears! Am interested in getting a Positraction differential to drive more than 1 of the anti-lock system... Pretty much the same amount of traction, 1956, and they forward! Posi track differential talk about limited slip diff assembly from a CV/GM or Town car in the yard... Volts on it, but this has enough chrome to offset it some, still a very nice.... Technical name for it & # x27 ; s a big gear with your axle running through.... Require being shortened side would continue to what cars came with posi traction to propel the car was secured with before... ; from brake back plate to brake back plate and 62 & quot ; drum... Into your differential and spins a big gear with your axle running through it a term used in. By transferring the power to the track and no matter What i i... If a car has posi what cars came with posi traction & quot ; traction-lok & quot was! Could get for a clutch type limited slip 1969, Positraction 409 ratio would be more livable [ 3.36 2.87. Owned it before my put it on my 94 4cyl 2wd 5spd S10 for Dodge with. Say Positraction when they talk about limited slip diff assembly from a CV/GM Town. Challenge race with no collisions saying i need the entire rear end is sale! Have it period and then go off, or it may flash while it operating... Available on a Dodge of the muscle era had posi if it was a 12-bolt rear replaced. Or all GTO & # x27 ; s LSD is & quot.... Offset it some, still a very nice car 28 spline trac lok posi unit left with.

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