1969 Road Runner Project, Part IV
Ken is quick to note that Mopars have always been well known for torque. "Recognize that the 320cfm intake airflow rate for a 440 may have seemed large for a torque-only engine, but remember Chevrolet offered airflow rates of 270cfm right from the factory with 396 Chevrolets." As airflow goes up proportionately with port size, so does horsepower, as long as the engine can effectively pump the air available.
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