sentences:  In addition to modulating engine torque for optimum launch performance in manual-equipped ZL1s, PTM also varies the traction control and suspension damping as needed.The five available modes are for wet, dry, sport with or without stability control and race-driving conditions.Additional track-ready features standard on the Camaro ZL1 include coolers for the engine, transmission and rear differential, cooling ducts for the Brembo brakes, and a high-performance fuel system delivering fuel to the LSA engine under any performance-driving condition.