How to Tell a Grade of Motor Oil?

Answer The motor oil grade reflects the viscosity of the oil. Viscosity refers to how easily the oil covers the engine parts when the vehicle is started in a specific temperature. The rating is sometimes ... Read More »

Top Q&A For: How to Tell a Grade of Motor Oil

How to Use Single Grade Motor Oil?

There are two types of motor oils available: multigrade and single grade. Once common, single or mono viscosity oil has been mostly replaced by multigrade types. In fact, virtually all modern inter... Read More »

How to Select Which Grade of Motor Oil to Use?

Selecting the right motor oil is a difficult and confusing process. With all of the strange motor oils competing and their confusing labels, you need to know how to quickly get the right motor oil ... Read More »

How Can I Tell If My Motor Is a 350?

Engine identification of the small block Chevy should be fairly straightforward. However, with production displacements ranging from 262ci to 400ci over the span of more than 50 years, making an ex... Read More »

How Can I Tell If Water Is in My Motor Oil?

Not all indications of water in the oil mean a repair is warranted. As the engine heats up after it is started, and then cools off after the car is turned off, condensation can cause small amounts ... Read More »