Challanger I Opening in nose of body, 1959

Challanger I Opening in nose of body, 1959

Opening in nose of body is air intake for engines and was designed to supply positive air pressure of 3.5 p.s.i. over engine, thus affording slight supercharging effect for the four normally aspirated Pontiac powerplants.
http://www.machine-history.com/Challenger%20I%20Streamliner
Popular Mechanics
Hot rod racing 1959 by George Hill published in 1959
Library of Congress Card Catalogue #59-9533