During the 1960s and '70s, Chrysler made some of the auto industry's most desirable engines, such as the performance-geared Mopar 340 small ... the cars using the six-pack 340 engine as producing ...

Mopar would put out a Six Pack version of the 340, which was exclusive to the Dodge Challenger and Plymouth Barracuda. As was the case with so many high performance V8 engines of the time ...

However, despite its iconic status as the most powerful Chrysler V8 you could buy, the 426 Hemi had a notoriously narrow tuning ... Mopar lineup for the following year. Dodge cars used the ‘Six ...