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HEI distributors are a popular swap on older GM cars originally equipped with points and condenser type ignition systems. [citation needed] The HEI system produces a more powerful spark, which allows for a wider spark plug gap for surer ignition of a fuel/air mix that may not be optimal. The HEI setup has also become a popular swap into non-GM ...
Some distributors have an ignition coil built inside them, eliminating the need for a separate coil wire, such as the High Energy Ignition (HEI) system used by General Motors in the 1970s and 1980s. Some engines instead used multiple ignition coils (one for each pair of cylinders) built into a coil pack , eliminating the need for a distributor ...
Older distributor designs used a cam on the distributor shaft that operates the contact breaker (also called points). Opening the points causes a high induction voltage in the ignition coil. [ 1 ] This design was superseded by an electronically controlled ignition coil with a sensor (usually Hall effect or optical) to control the timing of the ...
Duraspark II distributor, cap and HT (high tension) wires. The Duraspark II is a Ford electronic ignition system.. Ford Motor Company began using electronic ignitions in 1973 with the Duraspark electronic ignition system and introduced the Duraspark II system in 1976.
HEI Hospitality, an American hotel owner and operator; Hawaiian Electric Industries, the largest supplier of electricity in the state of Hawaii; Health Effects Institute, a non-profit focused on the health effects of air pollution; HEICO, HEI is the stock symbol for HEICO Corporation
As batteries became more common in cars (due to the increased usage of electric starter motors), magneto systems were replaced by systems using an induction coil.The 1886 Benz Patent-Motorwagen and the 1908 Ford Model T used a trembler coil ignition system, whereby the trembler interrupted the current through the coil and caused a rapid series of sparks during each firing.
HECO power plant at Kahe Point in West Oahu. Hawaiian Electric Industries, Inc. (HEI) is the largest supplier of electricity in the U.S. state of Hawaii, supplying power to 95% of Hawaii's population through its electric utilities: Hawaiian Electric Company serving Oahu, Hawai'i Electric Light Company serving The Big Island, and Maui Electric Company serving Maui, Lanai and Molakai.
The Unisparker Ignition systems became the automobile industry standard for almost 50 years, until the advent of the HEI systems. [ 2 ] An advertisement for Atwater Kent ignition systems for tractors , in Tractor and Gas Engine Review , December 1918.