What engine oil for Chevrolet Tahoe 5.7 1996?

The 1996 Chevrolet Tahoe with the 5.7L engine calls for SAE 10W-30 oil. However, you should always check your owner's manual for the most precise recommendation, as it may specify a particular API rating (like API SG, SH, or SJ - older standards) or even a GM-specific dexos oil. Using a modern equivalent like a 5W-30 with the correct API rating will likely be fine, especially in colder climates, but 10W-30 remains the most historically accurate recommendation. Always use the viscosity grade and API rating recommended by the manufacturer.