Spark Plugs

Your spark plugs are like a cipher. And to read a cipher code, you usually need a cipher key. That’s what this is—a cipher key that is going to help […]

In junior high science class, you probably learned about the three states of matter: solids, liquids, and gases. Chances are you didn’t spend as much time talking about the lesser-known fourth […]

What type of spark plugs do I use on my ZZ3 motor? I know that there are a lot of different spark plugs but what type do I use in […]

MSD’s entrance into spark plug manufacturing felt a little bit to us like Nike’s decision to start making socks to complement its shoe business. What took so long!? MSD has […]

In this Summit Racing Quick Flicks video, Al will show you how to replace spark plugs in late-model F-150 pickup trucks with modular engines. Because standard spark plug sockets won’t […]

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re reading spark plugs. Q: I’m having a problem with my 1980 Ford 1/2-ton pickup. […]

Spark plugs that are not properly gapped can lead to a misfiring, inefficient engine. Whether you’ve made serious performance modifications to your vehicle or simply enjoy your daily driver running […]

Got questions?  We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re dialing in timing and straightening out a few cam/valvetrain issues.. D.B. • Basom, […]

Listen closely because your spark plugs may be trying to tell you something. Is your engine running too lean? Too rich? Is there an issue with oil control or ignition timing? Or is everything […]

The spark plug is the Rodney Dangerfield of the hot rodding universe. It gets no respect—or at least very little. As performance enthusiasts, we tend to focus on power builders […]