Anti-Spin Differential, Maybe? Maybe Not?

From : stevedenny

Q: friends i have a 1996 ram pu 1500 4x4 v8 5.9l auto that was ordered and purchased new. i ordered an anti-spin differential for $260.00 but kind of had a sneaking suspicion that it was never installed. now i know eight years later! i tried something that i found online. i was rotating the tires and tried it. i had read that if the rear end is jacked up and you spin one tire forward then if you have the anti-spin the other tire will also spin forward. if you dont have it the opposite tire will spin backwards. well the latter happened. i spun the passenger side tire forward and the drivers side spun backward. is this conclusive proof that i do not have anti-spin any suggestions thanks as always steve .

Replies:

From : denny

friends i have a 1996 ram pu 1500 4x4 v8 5.9l auto that was ordered and purchased new. i ordered an anti-spin differential for $260.00 but kind of had a sneaking suspicion that it was never installed. now i know eight years later! i tried something that i found online. i was rotating the tires and tried it. i had read that if the rear end is jacked up and you spin one tire forward then if you have the anti-spin the other tire will also spin forward. if you dont have it the opposite tire will spin backwards. well the latter happened. i spun the passenger side tire forward and the drivers side spun backward. is this conclusive proof that i do not have anti-spin any suggestions thanks as always steve its conclusive proof of one of two things a you did not get the limited slip that you paid for b you did get the limited slip but the clutches are out of it making it act like an open differential. denny .

From : denny

on wed 26 nov 2003 220012 gmt denny wddodge@woh.rr.com wrote friends i have a 1996 ram pu 1500 4x4 v8 5.9l auto that was ordered and purchased new. i ordered an anti-spin differential for $260.00 but kind of had a sneaking suspicion that it was never installed. now i know eight years later! i tried something that i found online. i was rotating the tires and tried it. i had read that if the rear end is jacked up and you spin one tire forward then if you have the anti-spin the other tire will also spin forward. if you dont have it the opposite tire will spin backwards. well the latter happened. i spun the passenger side tire forward and the drivers side spun backward. is this conclusive proof that i do not have anti-spin any suggestions thanks as always steve its conclusive proof of one of two things a you did not get the limited slip that you paid for b you did get the limited slip but the clutches are out of it making it act like an open differential. denny or it is a locker. some anti spin diffs require a minimum speed difference between sides to apply the clutch. the venerable detroit locker i believe is one of them. when the clutch applies you know it the original poster stated the bought the truck new in 96. id bet the farm that chrysler never offered a locker in the corporate 9 1/4 rear differential. i know some guys run them but lockers arent very street friendly. denny .

From : redneck tookover hell

or it is a locker. i have a 1996 ram pu 1500 4x4 v8 5.9l auto that was ordered and purchased new. what was the option code on a locker for a pickup in 1996 i bet factory lockers are really rare in those trucks ill start watching reality tv shows when i can vote people off the planet. .

From : clare snyder on ca

on wed 26 nov 2003 220012 gmt denny wddodge@woh.rr.com wrote friends i have a 1996 ram pu 1500 4x4 v8 5.9l auto that was ordered and purchased new. i ordered an anti-spin differential for $260.00 but kind of had a sneaking suspicion that it was never installed. now i know eight years later! i tried something that i found online. i was rotating the tires and tried it. i had read that if the rear end is jacked up and you spin one tire forward then if you have the anti-spin the other tire will also spin forward. if you dont have it the opposite tire will spin backwards. well the latter happened. i spun the passenger side tire forward and the drivers side spun backward. is this conclusive proof that i do not have anti-spin any suggestions thanks as always steve its conclusive proof of one of two things a you did not get the limited slip that you paid for b you did get the limited slip but the clutches are out of it making it act like an open differential. denny or it is a locker. some anti spin diffs require a minimum speed difference between sides to apply the clutch. the venerable detroit locker i believe is one of them. when the clutch applies you know it. .

From : tom lawrence

or it is a locker. nope - the stock lsd unit is just that... an lsd with friction clutches as opposed to the dog clutches on a detroit. i stongly suspect the o.p.s truck has the lsd unit and the clutches are worn out. .

From : mike simmons

or it is a locker. i have a 1996 ram pu 1500 4x4 v8 5.9l auto that was ordered and purchased new. what was the option code on a locker for a pickup in 1996 i bet factory lockers are really rare in those trucks factory lockers were non-existent in those trucks! if the original poster will send me his vin i will check the production broadcast on the chryco dealerconnect system. to see if it was built with a lsd. mike ill start watching reality tv shows when i can vote people off the planet. .

From : scott rubyjohn

adam kaempfer wrote if its truely cold enough to need a block heater where you live then also consider one on the oilpan and a battery blanket. i prefer the plate style battery heater to the blankets. when i lived in fairbanks and it got down to -40 routinely the plate seemed to work better i.e.warmed up faster and transfered more heat. i had to replace the blankets every year till i got the plate. the same plate lasted me for over 10 years. scott .

From : john

on wed 26 nov 2003 220012 gmt denny wddodge@woh.rr.com wrote friends i have a 1996 ram pu 1500 4x4 v8 5.9l auto that was ordered and purchased new. i ordered an anti-spin differential for $260.00 but kind of had a sneaking suspicion that it was never installed. now i know eight years later! i tried something that i found online. i was rotating the tires and tried it. i had read that if the rear end is jacked up and you spin one tire forward then if you have the anti-spin the other tire will also spin forward. if you dont have it the opposite tire will spin backwards. well the latter happened. i spun the passenger side tire forward and the drivers side spun backward. is this conclusive proof that i do not have anti-spin any suggestions thanks as always steve its conclusive proof of one of two things a you did not get the limited slip that you paid for b you did get the limited slip but the clutches are out of it making it act like an open differential. did you have the trany in nutral if it was in park it will still spin the other one backwards with a little drag or not move if clutches are stiff if in nutral should have both went the same way it needs a oil change anyways so pull the cover and look at it a bit of oil and a bit of silicone is all thats needed and if it a posie you need to put some posie add in there as well .