Videos & Galleries

Throwback Thursday: Indy 500 Racing in the 1920s

You never know what you might find when cleaning out a garage or basement. A friend of a friend found these old, original Indianapolis 500 photos from the 1920s. The guys in these photos are some of the true pioneers of auto racing. And if Facebook and Instagram were a thing, we bet some of these

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Video: Leno Tests Harley-Davidson’s Livewire EV

Electric-powered vehicles are a touchy subject among performance enthusiasts. So when Harley-Davidson unveiled its Livewire EV electric bike concept, there were no shortages of opinions and criticisms. It’s one thing when Tesla touts electric power, but when an American icon like Harley-Davidson rolls out an electric-powered vehicle—well, that’s a whole ‘nother thing. After all, Harley

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Video: How Conical Valve Springs Can Add Muscle to Your Engine

In this video, Billy Godbold, chief cam designer and astrophysicist at COMP Cams, explains how COMP Cams’ conical valve springs help control heat and friction by dampening spring vibrations and provide much longer spring life than cylindrical or even beehive designs. The conical springs are perfect for the racer wanting to run a more-aggressive camshaft, COMP

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Photo Gallery: Summit Racing Monday Night Cruise-In (8/4/14)

[portfolio_slideshow id=33583] Monday nights are cruise nights at Summit Racing’s McDonough, GA retail store. OnAllCylinders friend and contributor Brian Kreuser was once again there to provide some insight into the scene. The theme of this week’s event was “Under Construction,” but most of the cars Brian saw were show ready. Check out the slideshow and

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Video: How to Install a Trailer Brake Controller

Installing a trailer brake controller is a piece of cake on a truck or SUV already equipped with a towing package. It’s usually as simple as plugging a wiring harness into your vehicle. It’s a little more complicated on vehicles without towing packages because you have to splice the wiring yourself, but it’s a simple-enough

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Video: How to Choose the Right Cylinder Heads for Your GM LS Engine

There are two important factors to consider when searching for a set of cylinder heads for an LS engine. The first consideration is the type of intake manifold port; the second is piston bore size of the engine block. First, let’s talk about the types of GM LS intake port designs. General Motors has three different

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Video: Starting Your LS Swap with the Right Engine Mounts

An LS1 in a 1932 Ford? An LS3 in a first-generation Camaro? Why…it’s just not natural. But that doesn’t mean it’s a bad idea. As a matter of fact, swapping a modern LS motor into an older hot rod offers plenty of advantages, including outstanding horsepower potential, lightweight and compact design, and improved fuel economy over

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Photo Gallery: Happy 50th, Pontiac GTO

In 1964, General Motor’s performance division gave birth to the Pontiac GTO, the vehicle most automotive enthusiasts credit as the first true muscle car. The GTO earned the nickname “the Goat” from a bunch of smarties who may or may not have meant it as the capitalized acronym sports enthusiasts use to mean “Greatest Of All

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Video: Air and Fuel Upgrades for Diesel Engines

Learn how to maximize the performance of your diesel-powered engine with air and fuel upgrades you can make for about $1,000. Watch this Summit Racing Quick Flicks video and learn how a new air intake, upgraded exhaust system, and diesel tuner can transform your vehicle into the king of the road.

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