Worn ignition component gremlins are mysterious little buggers. Ignition misfires can be confused with fuel mixture or delivery problems. Even ambient humidity can affect the ignition system—making a ...

'The new darling of the engine-swap set is the GM Gen III family of small-blocks that includes everything from the lowly 5.3L truck engine to the LQ9 6.0L all the way up to the swarthy Corvette LS7 ...

In this video, I show you how to test spark plugs and coils on any car, even if the spark plugs are recessed or hard to reach. Whether you're troubleshooting engine misfires, poor performance, or bad ...

The morphing of state-of-the-art electronics into today's performance vehicles keeps getting better all the time. And in case you're confused as to what magazine you're reading, we're not referring to ...

MSD has been making these iconic red ignition boxes since the early ’80s. Since then hundreds of thousands of these units have found their way onto everything from street cars to serious racing ...