Chrysler 426 Hemi Vs. 440 Six Pack: What's The Difference Between These Engines? In the golden age of muscle cars, Chrysler produced the 426 Hemi V8 and the 440 Six Pack V8. Here are the differences between those two engines. #press https://www.slashgear.com/1584435/chrysler-426-hemi-vs-440-six-pack-what-difference-between-engines/?utm_source=press.coop https://www.slashgear.com/img/gallery/chrysler-426-hemi-vs-440-six-pack-whats-the-difference-between-these-engines/l-intro-1715953208.jpg