An oil analysis might seem like an unnecessary upsell, but there are situations in which it can be useful. Here are the costs and benefits of the procedure.

The best synthetic oil products last longer, keep engines cleaner, perform well in all temperatures, and protect your engine. ... along with the GM dexos1 gasoline engine oil approval.

A recent GM safety recall addressing potential manufacturing defects impacting the naturally aspirated 6.2L V8 L87 gasoline engine dictates that certain engines should now use 0W-40 oil, rather ...

Wrong, if you get your 2021-2024 L87 6.2 engine inspected and passed, the GM corporation will give you “free” a 10 year 150,000-mile warranty from the in-service date.