Straight off the bat, it's the engine sizes. The Mopar 383 V8 displaces 383 cubic inches (6.3 liters), sitting between the 340 (5.6 liters) and 440 (7.2 liters). The 340, 383, and 440 all are part of ...

For a substantial number of engines made over the course of automobile history, most of them bear the name of the car company that produced them, like Chevrolet or Ford. After all, it makes it easy to ...

According to Chrysler, more than three million 383s and million 440s were produced between 1959 and 1978, when big-block production ended. Chevy seems to pump out that many small-blocks in a year.