1994 Pontiac Trans Sport Owner's Manual - Page 214

Recommended SAE Viscosity Grade Engine Oils For best fuel economy and starting, cold select the lowest SAE viscosity grade oil for the expected temperature range. HOT HWTHER \ ;AE5W-30 (3.1L V6 Engine) shown in the chart, SAE 5W-30 is bes; jr your vehicle. However, you can use AE 1OW-30 if it's going to be 0°F - 18"C) or above. These numbers on an il container show its viscosity, or lickness. Do not use other viscosity oils, uch as SAE 1OW-40 or SAE 20W-50. LS IAE 1OW-30 (3800 V6 Engine) is shown in the chart, SAE 1OW-30 is est for your vehicle. However, you can se SAE 5W-30 if it's going to be'colder Ian 60°F ( 16°C) before your next oil hange. When it's very cold, you should se SAE 5W-30. These numbers dn an oil ontainer show its viscosity, or thickness. 10 not use other viscosity oils, such as AE 1OW-40 or SAE 20W-50. F you cannot find oils with the new starburst" symbol on the front of the ontainer, you should look for and use ils containing the following three things: COLD WEATHER IF NEITHER SAE5W-30 NOR SAE 1OW-30 GRADE OILS ARE AVAILABLE, SAE 30 GRADE MAY BE USED AT TEMPERATURES PBOVE 40 DEGREES F (4 DEGREES C). DO NOT USE SAE 1OW-40, SAE 2OW-50 OR MOTHER GRADE OIL NOT RECOMMENDED. 213...