Wow, plenty of stupid comments on this thread eh boys?
With LSD, it is true that in SOME instances it will result in you loosing your ass end more dramatically. However, keep in mind, you're less likely to loose your ass end since you're getting traction from both tires.
Most people who upgrade to 3.15/3.23/3.38's drive 328's, who have 2.93.
Otherwise, upgrading to LSD just gives you a 20% (15%?) lockup limited slip.
A skilled driver can drive a a open diff car, on almost bald tires, in a snowstorm, drunk, blindfolded.
If you're driving around on bald tires, you're a moron to begin with, and your advice is useless. LSD or not.
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2002 TiAg M3 6mt
deoranged, dechromed, led tails, ZHP knob, UUC SS v3, GROM, OEM 220M 19's, Michelin Supersports
2006 YZF-R6, bunch of go-fast stuff