Chrysler made extensive upgrades to the 318ci LA V8 engine to create the powerful and popular 340ci V8 in the 1960s. The 340ci V8 offered more power (275 hp) and a higher compression ratio (10.5:1 ...

While offering nearly similar V8 engines on paper, the Mopar 383 V8 offered a larger bore and stroke that boosted horsepower on many muscle cars.