Engine & Exhaust

As much as we hate to admit it, there’s still an intimidation factor that comes with electronic fuel injection systems. It’s not that we’re afraid of enhanced throttle response, improved fuel […]

Your metal automotive fasteners can fail one of six ways. And, according to our friends ARP—an industry leader in fastener technology—each type of metallurgical failure has a unique, identifiable characteristic. […]

You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re answering the basic question: What’s the difference between a single pattern and […]

One of the most crucial, yet overlooked adjustments in a Holley four-barrel carburetor is the float. Adjusting the float and fuel level on a Holley four-barrel carburetor is easy if […]

Exhaust system upgrades are among the most-popular ways to add power and performance to a vehicle. Watch this four-minute Summit Racing Quick Flicks video and learn the basic ins and […]

In our original Bottle Basics post, we covered tuning guidelines for NOS Super Powershot, Cheater, and Dual Shot Cheater nitrous systems. This time around, we’re providing recommendations for the NOS […]

The guys on Discovery Channel’s Mythbusters have exposed some pretty incredible myths. But when it comes to debunking some of the most common motor oil myths, you’d be hard pressed […]

In this Summit Racing Quick Flicks video, the crew at Summit Racing will review the basic overview of fuel system design. They will discuss return-style vs. returnless fuel systems, as […]

Rocker arms are among the most stressed components in your engine—and the most important, too. They’re essentially tasked with transferring movement from the camshaft lobes to the valves, making them […]

In a separate Mailbag post, we responded to a question about choosing a nitrous oxide system. Although nitrous oxide is a rather simple concept, tuning your engine to take advantage of the […]