Things are hotting up in the ADAC GT Masters 2019, and Orange1 by GRT Grasser are right at the heart of the action. At the Hockenheimring last weekend, their three Lamborghini Huracán GT3 EVOs came away with another big points haul. Christian Engelhart and Mirko Bortolotti in the number 63 car continued their current successful run with a victory in…
