Subtitle:IMSA Answers FAQs About New-For-2017 PrototypeThe Daytona Prototype international (DPi) will make its competition debut in the IMSA WeatherTech SportsCar Championship season-opening Rolex 24 At Daytona next January. All DPi cars will use the same chassis, suspension and many other components as LM P2 cars competing in championships governed by...