When The Customer Says 'Knock'

Presents scenes of typical motorists driving under normal, everyday driving conditions. Explains that these conditions and their knock-producing effects are reproduced for closer investigation in the laboratory on Du Pont's modern chassis dynamometer. Shows that there are many factors other than gasoline quality which produce engine knock.

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Sources

  1. 16mm Filmography (legacy record) — title, year, creator, format, sound, description, catalog record