#340 small-block

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Before the HEMI, There Was the Max Wedge In 1962, before Chrysler had a hemispherical combustion chamber in any production car, they were already embarrassing people at the dragstrip with something called the Max Wedge. The 413 and later 426…

Muscle Cars

May 4, 2026

Mopar’s Thunder: The HEMI, the 440 Six Pack, and the 340 That Punched Above Its Weight

Before the HEMI, There Was the Max Wedge In 1962, before Chrysler had a hemispherical combustion chamber in any production car, they were already embarrassing people at the dragstrip with something called the Max Wedge. The 413 and later 426…