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E-Bodies.org Cuda Challenger Forum

Technical Shop => Engine, Transmission & Rear End => Topic started by: booyaballer on July 02, 2017, 11:04:04 PM

Title: reared gear oil
Post by: booyaballer on July 02, 2017, 11:04:04 PM
i just had the rearend rebuilt on my 70 challenger.  its a positract.  i'm probably overthinking it, but can anyone recommend a particular gear oil?
Title: Re: reared gear oil
Post by: 1 Wild R/T on July 02, 2017, 11:09:49 PM
Do you know what type pos/locker/sure grip unit you have? It matters..
Title: Re: reared gear oil
Post by: Chryco Psycho on July 03, 2017, 12:02:01 AM
basically 80-90w gl4 gear oil but you will need an additive for the sure grip
Title: Re: reared gear oil
Post by: Shane Kelley on July 03, 2017, 04:42:53 AM
I run Lucas synthetic gear oil. You don't need additive with synthetic. This is like motor oil in the aspect most guys prefer a certain type or brand. 
Title: Re: reared gear oil
Post by: RUNCHARGER on July 03, 2017, 08:10:42 AM
It depends on which Sure Grip you have.  Factory style clutches, Detroit Locker, true trac etc.
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