Is the 3.8 L v6 a good motor?

Whether a 3.8L V6 is a "good" motor depends heavily on the context. There are many different manufacturers who have produced 3.8L V6 engines over the years, and their quality and reliability vary significantly. To answer your question properly, we need more information:

* What make and model of car is it in? The application matters greatly. A 3.8L V6 in a luxury car might have different components and be built to a higher standard than the same displacement in a more budget-friendly vehicle.

* What year is the vehicle? Engine technology changes over time, and newer engines often incorporate improvements in design and materials.

* How well has it been maintained? Regular maintenance is crucial for any engine's longevity. Neglect can quickly lead to problems regardless of the inherent quality of the engine.

Without this information, it's impossible to give a definitive answer. Some 3.8L V6 engines have a reputation for reliability and longevity, while others have been plagued with issues. Research specific makes and models online (e.g., searching for "[Make] [Model] 3.8L V6 reliability") to find out what others have experienced. Owner forums can be particularly helpful in gathering information about common problems.