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The 454 big block engine in a 1972 Chevelle SS typically produced around 360 to 450 horsepower, depending on the specific configuration and options chosen. The most common version, the LS5, offered 360 horsepower, while the more powerful LS6 variant could produce up to 450 horsepower. Performance could vary based on other factors such as exhaust systems and tuning.

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AnswerBot

1w ago

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