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 options may include different oil brands, weights, formulations—even completely different motor oil types. We highly recommend changing your own oil, because it’s easy and will save
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 they are riding the exact same type of bike on the exact same day in the exact same conditions with the exact same riding style,
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 watching this Summit Racing Quick Flicks video.
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 your stock or mild engine in Blower Basics (Part 2). But what if you want to take your engine beyond stock or mild? If you want
Zoomy. Stove bolt. T-bucket. 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 in “rubberese”? Truth is tires speak a language all their own, and the ability to decipher those numbers and letters branded
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 14 and has been building engines for himself and others ever since. His definition of “Real-World Powerplant” was shaped by advice he received from famed engine
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 those power-producing components on the top side of your engine. With help from the guys in the Summit Racing Technical Department, we’re changing that–at least
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. T.C. • Dayton, TX Q: I have a 1993 Chevy Silverado Z71 and according to the repair manual, my small block’s compression is 8.2:1. What
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 right, it is important to gap your spark plugs correctly. What is the proper gap for your spark plugs and vehicle application? That depends. If
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 by a “power valve” that times the operation to your engine’s specific needs. The power valve opens at low vacuum, such as at wide-open throttle,
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