1987-11-01

Injector, Intake Valve, and Carburetor Detergency Performance of Gasoline Additives 872114

A comprehensive testing program was initiated to evaluate the performance characteristics of gasoline additive packages representing various types of chemistry. The additives were evaluated in a standard reference gasoline meeting ASTM D 439 requirements. Port fuel injector keep-clean and clean-up tests utilized dynamometer operated vehicles. Intake valve deposit control tests utilized stationary single-cylinder and four-cylinder carbureted engines. Carburetor detergency tests were conducted on a stationary six cylinder engine. Fuel injector dirty-up repeatability varied significantly. Intake valve deposit control tests and carburetor detergency tests showed acceptable repeatability. Performance of the additives varied widely.

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