2008 Dodge Viper Owner Manual - Page 202

MAINTAINING YOUR VEHICLE 201 the engine oil. Engine oil is an engineered product and its performance may be impaired by supplemental additives. Disposing of Used Engine Oil and Oil Filters Care should be taken in disposing of used engine oil and oil filters from your vehicle. Used oil and oil filters, indiscriminately discarded, can present a problem to the environment. Contact your dealer, service station, or governmental agency for advice on how and where used oil and oil filters can be safely discarded in your area. The engine oil filler cap also shows the recommended engine oil viscosity for your engine. For information on engine oil filler cap location, refer to the "Engine Compartment" illustration in this section. Materials Added to Engine Oil The manufacture strongly recommends against the addition of any additives (other than leak detection dyes) to Engine Oil Filter The engine oil filter should be replaced with a new filter at every engine oil change. Engine Oil Filter Selection This manufacturer's engines have a full-flow type oil filter. Use a filter of this type for replacement. The quality of replacement filters varies considerably. Only high 7