Engine & Exhaust

Like a chance meeting between a jealous wife and a flirty ex-girlfriend, having your pistons and valves come in contact can be very bad—and possibly destructive. That’s why it’s important to check piston-to-valve clearance, especially […]

Learn the differences between various types of nitrous oxide systems by watching this Summit Racing Quick Flicks video. This video will answer some frequently asked questions, and highlight the differences […]

In the first installment of Block Talk, we told you why a modern CNC-machined block is a great foundation for a high performance engine. Using a Chevrolet Performance big block Chevy […]

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we examine the signs of fatigued valve springs. A: Take a good look at your […]

Watch this Summit Racing Quick Flicks video to learn how your header’s primary diameter affects performance. You will learn some basic rules for how to choose the best header primary […]

Back in the day, swapping out a small block Chevrolet 305 or 350 V8 for a 454 cubic-inch big block was one of the most cost-effective ways to get more […]

Is your 1986-98 Ford Mustang’s fuel pump worn out? Are a supercharger or turbo in the plans? In this four-minute video, the experts at BBK Performance will show you how […]

Valve springs are the highest stressed component in your engine. That’s why companies like COMP Cams and Summit Racing stress the importance of properly handling your valve springs before, during, […]

Watch this Summit Racing Quick Flicks video and learn the advantages of dual-plane versus single-plane intake manifolds. You will learn the performance expectations of each and it will better help […]

Anyone who has ever spun a 9/16-inch wrench on a hot rod knows the engine block is where it all begins. There are lots of options available—new and used, iron […]