While the Max Wedge's cylinder heads were competitive, there are a couple of reasons why Mopar reverted back to hemispherical heads for the 426 HEMI. The 426 Max Wedge's main downfall was cylinder ...
The 426 cubic-inch second-generation HEMI wasn ... flow testing and touching up the Edelbrock Victor Jr. Gen 2 HEMI cylinder heads, blueprinting the Mopar Performance HEMI engine block, and ...