Lb3.zip -

While efficient, there have been high-profile teardowns of early models (e.g., 2019 versions) that failed prematurely at around 146,000 miles due to internal issues.

It is designed to run on 87 octane fuel . Some users report getting up to 4 MPG better than the larger 5.3L V8. lb3.zip

Watch a detailed teardown of a high-mileage LB3 engine to see common failure points and internal wear: While efficient, there have been high-profile teardowns of