Vintage Racing Engines MG Six cylinder Race Engine Vels Parnelli Jones Formula 5000 Lola Driven by Mario Andretti Don with Vels Parnelli F5000 Lola Aluminum Tub Don with Vels Parnelli Formula 5000 Engine Re-designed and Rebuilt to a wide usable powerband 499.9 HP@6700 RPM 375 Foot Lbs Torque