Here’s a breakdown on which 6.2L V8 L87 engines need new oil viscosity following a GM recall, and which engines keep the previous oil viscosity.

General Motors was a very different company in the 1990s. This was the General Motors behind the innovations found at Saturn ...

General Motors recently announced a recall affecting nearly 600,000 vehicles due to a defect in the 6.2-liter 8-cylinder ...