How The Cosworth BDA's Belt-Drive 16-Valve Head Set The Bar For NA Engine Performance

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• JalopnikLean L·2h ago

  How The Cosworth BDA's Belt-Drive 16-Valve Head Set The Bar For NA Engine Performance

  Explore the 4-valve revolution that maximized cylinder head airflow and set a high-revving benchmark that engine builders still study today.

  Read at Jalopnik →