Whats the infiniti g35 2008 oil type? - VehicleHistory The 2008 INFINITI G35 oil type is valvoline synthetic motor oil 5w-30 1 quart When performing an oil change on the car You will first want to make sure that the vehicle has been parked and off for a couple of hours Otherwise, the oil in the car will be very hot and You could burn Yourself Find the oil pan in the engine compartment and locate the drain plug on the underside Position a