I’m at the point in my build where I wanna upgrade the rear differential. Here’s some details on my current setup: 2008 Mustang GT 2.3 Whipple/Car Dyno’s @ 510 rwhp MCS Coils Whiteline Watts Forgestar 18x11’s 315/30/18 BFG Rival S in all fours Given that I’m running a decent amount of horsepower and tire I want something that can put the power down better and hopefully be more reliable than the stock LSD. I autocross and track this car on a regular basis. Now after some research I know the Torsen has no clutches to wear out but seems to be slightly slower than the OS Giken. I’m leaning towards the OSG for this reason. Most of the tests I have seen though have been on Miatas and S2Ks which are a lot lighter and have less power than my S197. Have any of you driven or owned an OSG equipped Mustang? Is it smarter to stay away from “hybrid” clutch operated LSD’s such as the OSG?