So, after almost 2 years of abuse, my Spec 3.5 gave up the ghost at the track tonight. This is a 28 spline, sprung hub, 4 puck disk and heavy duty pressure plate, mated to an aluminum flywheel, in front of my Viper T56 trans.. I was on a set of MT ET Street's, and cut a 1.71 60ft coming out of...