Limited slip and locking differentials

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|[[File:Auburn ected max.jpg|thumb|300px|left|[http://www.auburngear.com/aftermarket/product_listing.aspx?category=8946f7ff-e4b5-4b07-b738-c6f9d7f93179ARB Auburn Ected Max]]]
 
|[[File:Auburn ected max.jpg|thumb|300px|left|[http://www.auburngear.com/aftermarket/product_listing.aspx?category=8946f7ff-e4b5-4b07-b738-c6f9d7f93179ARB Auburn Ected Max]]]
 
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==="Lunchbox" locker===
 
==="Lunchbox" locker===
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[[File:Auto locker.jpg|thumb|160px|left|Lunchbox locker]] <br style="clear:both"/>
 
[[File:Auto locker.jpg|thumb|160px|left|Lunchbox locker]] <br style="clear:both"/>
 
  
 
===Spools===
 
===Spools===
A spool is not a differential, and isn't considered to be limited slip, either. A spool connects both wheels the same as if there were a live axle (think of a go kart from the '60s). In the case of a spool or mini spool (or welded spider gears), both wheels are turning the same speed all the time- even when going around a corner or doing parking lot maneuvers. This causes the inside wheel to rotate faster than it needs to when cornering or maneuvering. The result is reduced tread life, squealing of the tires even at slow speeds when turning, and a lot of stress on the rear end components. Not to mention a potential loss of control in low-traction conditions like ice, snow or rain.
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A spool is not a differential, and isn't considered to be limited slip, either. A spool connects both wheels the same as if there were a live axle (think of a go kart from the '60s). In the case of a spool, mini spool, or welded spider gears, both wheels are turning the same speed all the time- even when going around a corner or doing parking lot maneuvers. This causes the inside wheel to rotate faster than it needs to when cornering or maneuvering. The result is reduced tread life, squealing of the tires even at slow speeds when turning, and a lot of stress on the rear end components. Not to mention a potential loss of control in low-traction conditions like ice, snow or rain.
  
A mini spool is much like a spool, but without the strength of a spool because like the lunchbox locker, it only replaces the spider and axle gears; the rest of the rear end is all reused, so there's no net gain in strength.
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A mini spool is much like a spool, but without the strength of a spool because like the lunchbox locker, it only replaces the spider and axle gears; the rest of the existing rear end is all reused.
  
 
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|[[File:Mini spool.jpg|thumb|245px|center|Mini spool]]
 
|[[File:Mini spool.jpg|thumb|245px|center|Mini spool]]
 
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===Welded spider gears===
 
===Welded spider gears===
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[[File:Welded spiders.jpg|thumb|250px|left|This abomination is what an open diff with welded spider gears looks like]]<br style="clear:both"/>
 
[[File:Welded spiders.jpg|thumb|250px|left|This abomination is what an open diff with welded spider gears looks like]]<br style="clear:both"/>
  
{{warning|The reason the spools and welded diff are shown here is so they can be identified if they're found inside a rearend. It should be stressed that the street is no place for a spool or welded spiders. Period. It matters very little to anyone who finds themselves upside down in a ditch that someone ''else'' claimed they drove on the street for 20 years with either one of these (or a mini spool) without any problems. What '''should''' matter is that using either one on the street is a very unsafe practice that should be avoided altogether. A spool is a racing modification only. A welded diff is not safe on the street OR track. Just don't do it.}}  
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{{warning|The reason the spools and welded diff are shown here is so they can be identified if they're found inside a rearend. It should be stressed that the street is no place for a spool or welded spiders. Period. It matters very little to anyone who finds themselves upside down in a ditch that someone ''else'' claimed they drove on the street for 20 years with one of these without any problems. What '''should''' matter is that using either one on the street is a very unsafe practice that should be avoided altogether. A spool is a racing modification only. A welded diff is not safe on the street OR track. Just don't do it.}}  
  
 
==Resources==
 
==Resources==

Revision as of 19:34, 11 April 2012

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