Subject	Something I found on the wiki page for limited slip
Posted by	MixManMash on July 16, 2014 at 9:04 PM
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In Reply To	Another vlsd question: posted by TriniTT on July 16, 2014 at 07:01 PM
Message	differentials, specifically in the viscous type section: Viscous LSDs are less efficient than mechanical types, that is, they "lose" some power. In particular, any sustained load which overheats the silicone results in sudden permanent loss of the differential effect.[12] They do have the virtue of failing gracefully, reverting to semi-open differential behavior. Typically a visco-differential that has covered 60,000 miles (97,000 km) or more will be functioning largely as an open differential;[citation needed] this is a known weakness of the original Mazda MX-5 (a.k.a. Miata) sports car. The silicone oil is factory sealed in a separate chamber from the gear oil surrounding the rest of the differential. This is not serviceable; when the differential's behavior deteriorates, the VLSD center must be replaced.
Follow Ups	Another vlsd question: - TriniTT 19:01:18 07/16/14 Something I found on the wiki page for limited slip - MixManMash 21:04:23 07/16/14 I remember reading something about a torque test - BlackholeZ 23:29:56 07/16/14 I wondered if this diff somehow overheated, resulting in - TriniTT 09:41:31 07/17/14 If you have a good spare - your are over thinking this. (n/m) - Bernie (NoVA) 13:10:53 07/17/14 BTW the silicone coupler is not serviceable. (n/m) - Bernie (NoVA) 14:53:59 07/19/14
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