1994 Chevrolet S10 Pickup Owner's Manual - Page 229
1994 Chevrolet S10 Pickup Manual
Page 229 highlights
You should also use me proper viscosity for your vehicle,as shown in oil the following chart: RECOMMENDED SAE VISCOSITY GRADE ENGINE OILS FOR BEST FUEL ECONOMY AND COLD STARTING, SELECT THE LOWEST SAE VISCOSITY GRADE OIL FOR THE €XPECTED TEMPERATURE RANGE. HOT WEATHER / F +loo +80 -C LOOK FOR ONE OF THESE LABELS \ - -- + 3 8 - - - + 27 +60 +40 +20 - -- + 1 6 - -- + 4 - -- - 7 - -18 SA! 1OW-30 O-- SAE SW-30 PREFERRED 1 COLD WEATHER IF NEITHER SAE 5W-30 NOR SAE 1OW-30 GRADE OILS ARE AVAILABLE, SAE 30 GRADE MAY BE USED AT TEMPERATURES ABOVE 40 DEGRfES F (4 DEGREES C). DO NOT USE SAE 1OW-40, SAE 2OW-50 OR ANY OTHER GRADE OIL NOT RECOMMENDED As shown in the chart, SAE 5W-30 is best for your vehicle. However, you can use SAE 1OW-30 if it's going to be (-18 "C)or above. These 0°F numbers onan oil container show its viscosity, or thickness. not use Do other viscosityoils, such as SAE 1OW-40 or S A E 20W-50. 6-11