In the world of American Muscle, one saying has remained true, and that there is "no replacement for displacement." For decades, if you wanted more power in your vehicle, the answer was simple: you ...

From the archives: Using a stash of parts and an old set of AFR 227 heads, see how this small-block combo got every last bit of power. To celebrate HOT ROD's 75th anniversary, we teamed up with ...

A computer generated power stroke of an internal combustion engine, following ignition - Pathompong Thongsan/Getty Images When comparing engine specs for nearly any combustion engine automobile, we ...

We put both engines on the dyno to see which made more horsepower and torque. It didn’t go as planned. Over the past year, we assembled two very mild small-blocks aimed at the typical hot-rodder ...

Getting an engine compression test for your car is a bit like having your blood pressure taken. It sounds complicated without context, but it's a relatively straightforward and painless procedure that ...