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 ...

The Mopar 440-cubic-inch V8 belongs to Chrysler's RB engine line with roots traced back to the original 383-cubic-inch big block, which came out in 1959. However, the RB lineage traces back to the ...

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.

The Amsoil/Mopar Muscle Engine Challenge is one of our favorite events to cover here at Mopar Muscle because each year it gives us the opportunity to highlight the performance of a great Chrysler ...