Mark Freeman on MSN

Testing a brand-new F-150 muffler with extreme debris

A brand-new Ford F-150 muffler is tested with an unusual internal obstruction to observe airflow, pressure, and exhaust ...

Engine Teardown Reveals Why This Coyote V8 Was Replaced at Just 65,000 Miles

The inside of this 5.0L Coyote looks surprisingly healthy, which makes its relatively early replacement even more interesting ...