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Changing Rear Diff Oil?

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Old May 9, 2007 | 01:26 PM
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Default Changing Rear Diff Oil?
I want to change the oil in the rear end. I know there is rear additive I need to use. just curious if which of these I need.
http://cgi.ebay.com/ebaymotors/GM-sy...spagenameZWDVW
or
this
http://cgi.ebay.com/ebaymotors/OEM-G...spagenameZWDVW

thanks for any help.
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Old May 9, 2007 | 01:47 PM
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Auburn = conventional gear oil and the posi additive

Torsen = either synthetic or conventional oil and no additive
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Old May 9, 2007 | 01:56 PM
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Its a torsen. so I guess neither. thanks.
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Old May 9, 2007 | 02:09 PM
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why is the additive in someones ***?
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Old May 9, 2007 | 02:28 PM
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chick must like here rear end lube.
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Old May 9, 2007 | 02:43 PM
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its not KY...
you can still use the first stuff and Torsen did releaser a bulliten saying if you get a "rusty screw noise" the additive will quiet it. Look on torsens web site
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Old May 10, 2007 | 11:25 PM
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I use Royal Purple!

No problems at all!

HD
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