Tech

Motor oil comes in many varieties. Whether you change your own oil or leave it to someone else, you’re likely going to be presented with a few different options. These […]

Let’s get something straight right away. If someone is giving you one-size-fits-all carburetor jetting specs, it is best to use them as merely a baseline and not as gospel. Unless […]

Learn the basic differences between monotube and twin tube shocks, and why you should choose one or the other based on the ride feel you want in your vehicle—all by […]

In Blower Basics (Part 1), we debunked the myth that a supercharger is an exotic upgrade. We even gave you basic boost and compression ratio guidelines for safely adding a supercharger to […]

Gearhead vocabulary is a colorful collection of terms that’s nearly impossible to understand for the flatheads out there who don’t talk the talk. But how many of us are fluent […]

Editor’s Note: OnAllCylinders is profiling engines and engine builds by everyday high performance enthusiasts—hot rod hobbyists with DIY work ethics and real-world budgets. Casey Janis started building engines at the age of […]

Oil pans have one of the dirtiest jobs in your engine compartment. They’re absolutely critical to your engine’s entire wellbeing, yet they don’t often get the same love and attention as […]

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we discuss the basics of compression and how it relates to your fuel octane. […]

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 […]

Holley carburetors have a power enrichment system that provides fuel to the main power circuit during heavy loads or under full throttle situations. The vacuum-operated power enrichment system is controlled […]