Diff Fluid
Record Breaker
Joined: May 2005
Posts: 1,023
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RE: Diff Fluid
Yes absolutely! Redline C-4 or C+4 or whatever they call it is all you need to know. It is synthetic, it meets all the requirements, it will slick up your box real good.
It is not always easy to find, but can be gotten through anyone that sells Redline oils. You will need three quarts and it costs about 9.50 a quart. I'm telling you you can run it straight with no additives as I do or, you can add the Mopar recommended friction modifier as Everybody else on here will tell ya to. Either way, you'll be happy you used the Redline. You will feel the difference immediately. (and change it every year, it's easy to do)
It is not always easy to find, but can be gotten through anyone that sells Redline oils. You will need three quarts and it costs about 9.50 a quart. I'm telling you you can run it straight with no additives as I do or, you can add the Mopar recommended friction modifier as Everybody else on here will tell ya to. Either way, you'll be happy you used the Redline. You will feel the difference immediately. (and change it every year, it's easy to do)
Captain
Joined: Aug 2005
Posts: 561
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RE: Diff Fluid
I'm using the Amsoil ATF. Seems to work fine, maybe a slight improvement. Swapped out around 15,000 miles. My car has always shifted smooth IMO regardless so I don't know. I might try the redline or something else next change.
