The 383 was at 361 with a 4.25-inch bore and ... akin to some classic Mopar drag-racing engines. This first-generation 5.7-liter Hemi was good for 345 horsepower and 375 lb-ft of torque in the ...

383 Chevy vs. 383 Mopar! It’s our first head-to-head shootout with two engines: a Blueprint Engines crate Chevy 383 small-block versus a hand-built Mopar 383 by Engine Masters host Steve Dulcich.