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Old 03-27-2000, 02:21 PM
Andras Nagy
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Does anyone know if there is an advantage to using SWEPCO 203 for limited slip differntials, versus using #201?

The 203 is losted as for heavy use, such as limited slip, whereas the 201 is listed for just plain differntials.

Wouldn't a limited slip constitute heavy use?

Thanks for your help........Andras
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Old 03-27-2000, 06:48 PM
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Andras, the lube for limited slip rear ends is a different formulation than regular hypoid (gear) oil. There are differential clutchs in the limited slip rear end that require a formulation closer to ATF. Stick with factory recommendations to avoid ruining the clutches in the rear end. Heavy duty does not necessarily mean OK for limited slip..


[This message has been edited by jeffsr (edited 03-27-2000).]

[This message has been edited by jeffsr (edited 03-27-2000).]
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Old 03-27-2000, 09:48 PM
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The difference in in the thermal breakdown, that is the temperature when the lubricant will not lubricate any more. The limited slip will generate much more heat than a open diff when pushed and needs a limited slip fluid. Mercedes offers a special diff fluid for limiteds.

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