This was already a pretty good engine, but Mopar wanted to make a high performance version of it. To do this, the company took the 3.906 bore of the 318 and increased it to 4.04 inches ...

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 magazine modified the engine, like swapping ...

along with high-performance Mopar brake linings. But what we really want is Stage Three, which includes a high-output version of the 426 Hemi V8 crate engine – designed for racing use only.