Cadillac’s 4.2-liter Blackwing V8 to die with the CT6?
Audi Repair Shop Doylestown Call 267 279 9477 to schedule a appointment Cadillac’s 4.2-liter twin-turbo Blackwing V8 debuted only last year, popping up in the CT6 V-Sport — now the CT6-V — with 550 horsepower and 627 pound-feet of torque.…