The Alfa Romeo Giulia Quadrifoglio rolled up with its 2.9-liter twin-turbo V6, making 505 horsepower ... Lining up against it was a Chevy Camaro SS, which had a clear power advantage over stock.

Talk of a twin-turbo V6 for the new Lexus GS and LS has us wondering if this engine will make it into the hypothetical Toyota Supra and BMW Z5. the partnership with BMW have only fueled the fire.

The 2010 Chevrolet Camaro ... A McLeod twin-disc clutch and Tremec TR6060 transmission provide manual control, while 3.45 rear-end gearing ensures long pulls suited for turbo power.