Just like spark plugs, ignition coils can wear down and become faulty over time. There are many common signs that an ignition coil is getting bad, but one obvious sign is an engine misfire, typically ...

Over the past few years, we have run across some teams who, for the goal of attaining maximum power, chose to run without an alternator. We started thinking about that and decided to see if there were ...

Pt. 27 - It's A Very Stout CombinationLast month Danger Mouse (DM) went on a really big power trip running a Weiand Hi Ram, twin Holley 650s and a custom solid roller cam from Lunati. Those parts ...

Let’s start by looking at the evolution of the GM High Energy Ignition (HEI) system. This system became available as an option in 1974 and was standard in all 1975-and-later vehicles, with the ...