Dodge 2004 Viper Owner's Manual download pdf (Page 151)

Engine Oil Viscosity Chart

The proper SAE viscosity grade of engine oil should be

selected based on the following recommendation and be

within the operating temperature shown in the engine oil

viscosity chart.

Synthetic Engine Oils

There are a growing number of engine oils being pro-

moted as either synthetic or semi-synthetic. If you choose

to use such a product, use only those oils that meet the

American Petroleum Institute (API) and SAE viscosity

standard. Follow the service schedule that describes your

driving type.

Materials Added To Engine Oils

It is not necessary to add any materials to crankcase oils

for most types of vehicle operation. The addition of

materials containing antirust or antiscuff additives canbe

beneficial under certain conditions. These include: infre-

quent operation, short trips, and during break-in after a

major engine overhaul. The manufacturer’s Engine Oil

Supplement is recommended for these situations.

Disposing of Used Engine Oil

Careshould be taken in disposingofused engine oil from

your vehicle. Used oil, indiscriminately discarded, can

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Dodge 2004 Viper Owner's Manual Page 151