General Motors, 1954. Fourth Edition. burgundy cloth, gilt lettering, edgewear, binding good, pages clean, written on front paste down, includes supplement, 157 pages. good / none. Item #5558381
After seven years of use, advances in engineering, instrumentation and test techniques made it desirable to review the Code and make suitable revisions. This work resulted in the revised Code printed in 1940. The Test Code provides uniform standards for conducting tests on spark ignition automotive engines.