Supra Mk3 with a Twin-Turbo 2.7 L Radical V8 Jose Antonio Granja competes in time attack racing with his 3rd gen Toyota Supra. It’s powered by twin-turbo 2.7 L V8 making 530 horsepower at 10,500 rpm on 0.4 bar (5.8 psi) of boost and 98 octane f...