Tech Articles

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 […]

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 […]

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 […]

This excellent eight-minute Summit Racing Quick Flicks video dives into rocker arm ratio theory as it relates to your intake valves. There are torque and horsepower gains to be made […]

In part three of our Factory Five Mk4 Roadster build, we covered assembly of the 427-cubic-inch 351 Windsor and installation of the drivetrain. Now we direct your attention to prepping […]

The beginning of each season is the perfect time to inspect your vehicle and make sure you’ve taken care of routine maintenance. Most vehicle manuals include a long list of maintenance […]

Editor’s Note: Over the next few weeks, OnAllCylinders will profile engines and engine builds by everyday high performance enthusiasts—hot rod hobbyists with DIY work ethics and real-world budgets. If Paul Cooper […]