Driving and Operating 183after every 24 hours of racing orcompetitive driving. SeeRecommended Fluids andLubricants 0 333.CautionDuring a first time track or racingevent, high axle temperatures canoccur. Damage could be causedto the axle and would not becovered by the vehicle warranty.Do not drive as long or as fast thefirst time the vehicle is driven onthe track or raced.Engine Oil2.0L (LTG) EngineThis is not available with a trackpackage option and is notrecommended for track use.3.6L Twin Turbo (LF3) EngineThis requires premium fuel, andcomes standard with a 6.63 L (7 qt)sump, integrated oil cooler, andother powertrain and powertraincooling components in preparationfor track use.3.6L (LGX) Engine. With Oil Cooler: Confirm the oillevel is at the upper mark thatshows the proper operatingrange on the engine oil dipstick.. Without Oil Cooler: Do not usefor track events and competitivedriving.6.2L Supercharged (LT4) EngineChange the engine oil to 0W-40 or5W-40 that meets the dexos2 ™specification. If this oil is notavailable, the following oils can beused as an alternative: Valvoline ®SYNPOWER MST 5W-40, Mobil ® 1ESP Formula M 5W-40. SeeCapacities and Specifications 0 338.This requires premium fuel, andcomes standard with a 10 qt sump,air/oil separator, integrated oilcooler, and other powertrain andpowertrain cooling components inpreparation for track use.Check the oil level often during trackevents and competitive driving andkeep the oil level at or near theupper mark.Brake FluidFor track events and competitivedriving, it is recommended that thebrake fluid be replaced with a highperformance brake fluid that has adry boiling point greater than 279 °C(534 °F). After conversion to thehigh performance brake fluid, followthe brake fluid servicerecommendations outlined by thefluid manufacturer. Do not usesilicone or DOT-5 brake fluids.CautionRemoving the splash shield candegrade wet brakingperformance, as well as introducebrake pedal pulsation, due tobrake disc exposure to roaddebris. Only remove the frontbrake disc splash shield and fronttire deflector when driving in trackevents.Brake cooling can be improved ifthe front brake disc splash shieldand front tire deflector are removed.Removing the shield will require that
