Recent content by johnnyd2000

I just answered my own question: https://www.gmcertified.com/PDFs/ModelLibrary/Chevrolet/Corvette/2013-Chevrolet-Corvette.pdf PTM is Standard Equipment on every 2013 ZR1. It is part of the 1ZR or 3ZR Equipment Packages. It's kind of disappointing that neither the Chevrolet dealer nor the...

I bought a 2013 ZR1. It's #158 in the Registry and is a 3ZR, with ZR1 High Performance Package. When I bought the car, didn't know much about ZR1 except it was fast. I did not really know anything about Performance Traction Management or Competitive Driving Mode. Last fall, when I parked the...