I recently took my 2007 Shelby GT500, which I bought used about a year ago, into Fremont Ford because the clutch failed at only 13, 000 miles on the car. The issue at hand is whether the design defect (cluth drag) was the cause of the cluth to prematurely wear. Ford has issued a TSB that explains the Tremec transmissions have been failing due to clutch drag caused by a faulty flywheel and spline. I had all the systems of the TSB, shuddering due to heat spots on the flywheel, grinding during shifts, and slippage. I thought this was going to be... read full review »