We tear down a 1965 Chevrolet 327 engine that failed during a burnout competition, uncovering a cascade of problems from a previous rebuild. The cylinders were bored unevenly with up to 10 thousandths ...

High-mileage bragging rights are easy to claim, but the engines on this list have the odometer readings to back it up. We dug through verified owner accounts, YouTube documentation, and enthusiast ...