Project Groundhog, Part 1: Cleaning up and machining rusty parts from a 2005-era Chevy truck engine that was literally pulled out of a dirt floor. Except for changes in engines and techniques, this is ...

We felt really happy with the results. The 408 was making just over one horsepower per cubic inch, we had a strong, flat torque curve for most of the operating range, and when you consider that this ...