the 340 peaked in its infancy. In 1970, six-pack versions of the Plymouth AAR Barracuda and Dodge Challenger T/A were released. Chrysler advertised these engines as producing 330 horsepower ...

A one-owner car until 2013, this 1972 Plymouth Duster 340 is one of the finest time capsules out there. It's numbers-matching ...

That could max out at 390 horsepower with a Six-Pack model. Meanwhile, the Mopar 340 was a small-block V8 from Chrysler's LA engine line. Made for lighter body vehicles, it could generate up to ...

The peak performance version of the 2005 Magnum was the R/T powered by a 5.7-liter HEMI V-8 engine producing 340 horsepower. With a Multi-Displacement System, the HEMI engine could quickly switch from ...