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Originally Posted by jd10013
neither did I. exactly what the hell is it 
I'm familiar with the term, but not being a gear head I only have a rough idea of what it does and what the benefits of it are. anybody care to help? |
GM used to call it 'positraction'. The simple definition back in the day was "transfer grip to the tire that slips". There's a clutch pack in there
Ever see the rubber marks put down by performance cars? The pair of tire marks is from a limited slip. The single mark is from an 'open' type. Used to be called a 'one legger' burnout.
One tangible effect is that the back end of your car can thrash around like a shark making a kill when you're really burning them up, with posi.
It's not a 'free pass' on loose dirt or ice, either, even though the description seems to indicate it makes that type of surface a snap
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A limited-slip tries to drive both rear tires. It still has some slip by using clutches because when cornering the outside tires turn faster than the inside tires.
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This is a nice description