ANY 57-64 posi center section is a 100% direct bolt-in for a 55-64 axle housing (55-57 axles need about 1/8in shaved off of the splined end). 1. i have a 2010 SRT8 with 6.1 hemi. Ford 8 Inch Rear With Posi | The H.A.M.B | Forum Starting in 1971 all Stage 1 cars had 3.42. PDF Universal 1970 Information - chicagolandbuick.org Typical pricing is less than $200 (frequently much less) depending on the number of people looking for one each week. 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. I am sure all GT's come standard with a limited slip differential, otherwise known as a Trac-Loc. As a matter of fact ALL Sprint Firebirds for 1967 came with factory traction bars. Positraction is what General Motors called its limited slip differential, the term has come to refer to LSDs in general. A locker unlocking with be felt and usually heard. What cars came with posi traction? Get it? 5 What cars came with posi traction? Positraction was available at an additional cost (option G80), and was mandatory on the 4.10, 4.56 and 4.88 ratios. or could the guy who owned it before my put it on. ok im using the original rear end finding this out its only limited slip i need posi and need th know the gear ratio on this rear end, and how to convert it to posi traction if possable. This is what came out in these year vehicles from the factory if they had a posi track differential. This is what came out in these year vehicles from the factory if they had a posi track differential. 1968 Chevy Camaro RS, 327 cu in, 4 speed, posi-tractionOriginal RS car with only 44,800 miles. 9" diff is completely different and parts will NOT interchange. What makes for a posi traction doner? | El Camino Central Forum The truck will be a 3:50 to 4:11 ratio. as it will . Limited Slip no-Slip Chevrolet Truck - drivetrain.com one your cutting power to get traction, the other you just splitting the With good track prep, you can cut great 60' times with these cars. GM's brand name is "Posi-traction". A Vega came off the line & snapped an axle with the front wheels still in the air. My understanding (from others) is that positration is a better traction method than is limited slip - and is often used in heavier duty or higher powered vehicles). 10 Bolt Posi-Traction, Limited Slip, Differentital, Rear ... That being said, most s-10's came witht he 7.5" rear end. A lot of P71s have Traction-Lok, however, as RoyLPita noted, you will have to check the door jam sticker | axle tag. Mustang Differential Types Explained 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. 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. all it says is you get 13 cars and 14 tracks. Search 8.5 10-bolt. 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. Discussion in '1st Gen. Tacomas (1995-2004)' started by 98yotadog, Jan 20 What do you expect to do with it? -100% new, not remanufactured. Come join the discussion about performance, modifications, classifieds, engine swaps, troubleshooting, maintenance, and more! There are a couple different types of rear differentials, open and limited slip. IP: Logged. Posi (short for posi-traction) is an option that is not specific to amount of bolts (ie. The muscle cars did NOT have posi traction, they were called sure grips! So what year cars have a posi rear end that will work with my stock rear end housing etc. How do I know if I have limited slip or posi? Limited slip or locker?? | StangNet Gallery: '66-'70 B-Body 8.75 Rear Differential Identifiers ... They all came with 3.27 open. 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. When I bought my 1969 last summer Pro stocks were running. basically when you lifted your car and spun your wheel back it was the pinion of the two axles spinning. Other ratios up to 3.91 could be ordered. Rear Axle/Rear End Ratio Information - CC Tech Both are based on computer control of the anti-lock brake system, and in more advanced designs, engine power output. 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. Did most or all GTO's come with posi? is this something that. Modern Camaro Forums. Which is better limited slip or locking differential? Some facts about the GM G body 8.5" rear axle that was available on select performance G bodies. posi-traction, which have it? Dodge 9.25 Trac-Lok Differential Posi Carrier Assembly Complete 31 Spline C9.25. It is possible, you just have to know what gear ratio you have in your Sierra. Aug 2, 2005. Positraction was optional for Z28's with 3.73. F8TL - Ford 8" Inch Trac Lok Posi Unit. The last of the heavy duty 9" rears were in the 1984 f-150's. as far as the regular 9" I believe all the large cars up to 79. Message: does the 2000 4.7 dakota come stock with. May 21, 2007 #3. ALL 1984+ V8 Mustangs come standard with A limited slip differential. Lockers- Lock the axle shafts together basically. As has been mentioned, the center section IS aluminum and almost always NEVER came with traction-lok or posi-traction. Is there a different rear end I can replace it with that will give me more torque, performance? This is the bread-and-butter of Mustang differentials. Posi traction is good to have when traveling in ice or mud. Traction-Lok was not available ( as-shipped nor as an option ) for any LX Sport ( 2001-8 ). typically the light is seen when the system intervenes to maintain traction. solution: this is normal — your traction control is operating . yea i think the reg mustang are even posi..deff the gts. 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. It should also fit other era cars (Firebird) with leaf spring rear ends. Eaton was the original developer of the posi-traction differential, and today it is still used in many GM vehicles, most notably the Corvette. I have had several 1967 Sprints with traction bar rears. 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