TLDR: “Grinding”-like vibration coming from differential area. Ideas? I’ve just gotten back from having my 3rd diff installed in my 2010 V. The first 2 replacements whined horribly on both acceleration and deceleration. This was NOT the characteristic groaning of the LSD. Sounded more like the...

Courtesy of some hard core guys running in the Cadillac Challenge, weaponX now carries their diff cooler setup. It is much less expensive than others on the market and has been put through extensive testing for about 4 months including 4 track days and sixteen 20-25 minute ten to twelve lap...