High performance is all about horsepower. But even the ultimate in heads, compression, cam, and the rest won’t make power if you can’t light the fire. Ignition systems don’t make horsepower, but a ...
Around 1975, General Motors made a significant advancement in stock passenger ignition technology: the High Energy Ignition (HEI). One of its major features was installation simplicity. The coil was ...
High energy ignition (HEI) was introduced by General Motors in 1974 and became the standard for GM engines until the mid-1980s. An HEI system has three main components: an ignition module, a magnetic, ...
The demands for better emissions and fuel economy in the mid 1970s necessitated leaner fuel mixtures. These leaner mixtures required greater voltage and more spark to ignite. This challenge led GM ...
Around 1975, General Motors made a significant advancement in stock passenger ignition technology: the High Energy Ignition (HEI). One of its major features was installation simplicity. The coil was ...
High energy ignition (HEI) was introduced by General Motors in 1974 and became the standard for GM engines until the mid-1980s. An HEI system has three main components: an ignition module, a magnetic, ...
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