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 ...

GM divisions Pontiac and Chevrolet each produced 400 cubic-inch small-block V8s with similar bore-to-stroke ratios. Ford made one as well, but its block was very different from Chevy's in nearly every ...