Tech Articles

Vortec cylinder head castings first hit the high performance scene in 1996 and provided GM owners a healthy, budget-friendly option for boosting horsepower. According to Summit Racing, Vortec heads still […]

For owners of Ford 4.6L and 5.4L Two-Valve modular V8s, the wait for a true performance cylinder head ended in 2009. That’s when Trick Flow Specialties introduced the Twisted Wedge […]

Thinking about an LS swap? Then you owe it to yourself to check out MSD’s new Atomic LS EFI Fuel Injection System. We did when we were at the SEMA […]

In the first two installments of our Head Games video series, we covered the importance of combustion chamber size and intake runner configuration when choosing cylinder heads. In this video, […]

In Head Games (Part 1), we covered the importance of cylinder head intake runner size and design. Now we’re going to look at another key factor in choosing the right […]

Good thing: Kickin’ audio system with megawatt amps, big subs, zillions of speakers, crossovers, and enough wire to hook up your average city. Bad thing: Melted, smoking, fried vehicle electrical […]

Engines produce vacuum, and over the past 120 years, engineers have contrived ingenious ways to harness its power to the engine’s induction system. Through a labyrinth of small-bore drillings in […]

It’s a dirty job, but somebody’s got to do it. If your vehicle was produced after 1975, chances are good that it came from the factory equipped with a catalytic […]

Rowing gears with a manual transmission is lots of fun, especially in a lightweight car with way too much horsepower. But when the gears start crunching and the clutch pedal […]

In this edition of Summit Racing Quick Flicks, Mike will teach you how to select the best gear set for your vehicle. Learn how to figure out what gear ratio […]