Engine & Exhaust

Few parts are more synonymous with a classic American hot rod than the carburetor. Ironically, few parts are more misunderstood than the venerable carb, which still came equipped on some […]

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re talking pushrod length and how to measure it! J.L. • Florence, AZ Q: […]

What does high performance sound like? Depending on the muffler, the sound of high performance can be anything from a low, throaty growl to an ear-splitting roar—and everything in between. […]

Ah, the carburetor. For some guys, it’s a symbol of American automotive performance…a genuine hot rodder’s answer to the “evils” of modern fuel injection. For others, it’s a source of […]

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we help a reader overhaul his Rat motor for street/strip performance. G.T. • Keaau, […]

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re providing tips on proper engine break-in. Bill M. • Summit, IL Q: I […]

It’s an unfortunate irony, but a true one—your dirt bike doesn’t like dirt. More specifically, your bike’s engine doesn’t like dirt. Too much of it will inevitably clog your air […]

Stock exhaust systems typically restrict the flow of exhaust gases out of your engine, and thus prevent your engine from reaching its full power potential. In our “Exhaustive Research” post, […]

Wondering how to choose a carburetor? This is a question that confronts anybody in the market for a carburetor, whether it’s for a street or race vehicle. Many companies offer […]

A while back, we conducted a course in Exhaust Anatomy 101 to provide a beginner’s look at aftermarket exhaust systems. Now that you’ve brushed up on the basics, we’ll show you what makes […]