1993 Chevrolet Cavalier Owner's Manual - Page 209
1993 Chevrolet Cavalier Manual
Page 209 highlights
Engine Oil Additives SAE 5W-30 Don't add anything to your oil. Your As shown in the viscosity chart, SAE Chevrolet dealer is ready to advise if 5W-30 is best for your vehicle. you think something should be added. However, you can use SAE 1OW-30 if it's going to be0"F (-18"C)or above. These numbers onan oil container show its viscosity, or thickness. Do not use other viscosity oils suchas SAE 1OW-40 or SAE 20W-50. Energy Conserving II Oils with these wordson the container will help you save fuel. This doughnut-shaped logo (symbol) is used on most oil containers to helpyou select the correct oil. You should look for this on the oil container, and useonly those oils that display the logo. GM Goodwrench@ Oil (in Canada, GM Engine Oil) meets all the requirements for your vehicle. 207 .