In 1962, Chevrolet introduced double hump heads on its small-block engines. These helped shape the incredible power of small-block V8s for around 30 years.
ANSWERBack in 1955, you (or your grandpa) might have posed a very similar question: "Why does that new-fangled small-block Chevy make more peak power and torque at a higher rpm than my trusty Flathead ...
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