Author Topic: non posi into posi  (Read 858 times)

Offline 72cudaguy

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non posi into posi
« on: December 06, 2007 - 11:15:25 AM »
I currently have a 3:23 non posi rear end , is there a simple solution to making this posi.  Thanks, - Ed




Offline Chryco Psycho

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  • 70 Challenger R/T SE 70 tube Chassis Cuda now sold
Re: non posi into posi
« Reply #1 on: December 06, 2007 - 12:00:50 PM »
Yes , all you need is a sure grip [posi] case , measure the back lash between the Gears Before removing the ring gear & open case & mount the ring gear on the sure grip , rest the backlash between the gears & re install the carrier into the diff housing & reset the axle end play
there are 3 types of sure grip , the cone / Auburn style [worst type], once they are worn you throw them out , 2]the clutch type , rebuilable  3] the torson type , excellent design but you have to use the poor design "green" axle brgs

Challenger - You`ll wish You Hadn`t

Offline backtobasics

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Re: non posi into posi
« Reply #2 on: December 06, 2007 - 12:15:33 PM »
Lock-Rite 1240 converts to limited slip, by changing out the spider gears.
  You use the stock open case.