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Featured Articles

Speed Secrets: Single Pattern Camshaft Test

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Richard Holdener with Speed Secrets teamed up with Comp Cams, so right off the bat, you know theres gonna be a cam test but not just any cam test. A complete mild to wild single pattern camshaft test on a Stroker Small Block Chevy. For a test motor, a 420ci Stroker SBC seemed like a good starting point to run ... Read More »

Speed Secrets: Swapping a Cam in an LS3 Crate Engine

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No matter how many times or combination of upgrades, testing an LS based engine never gets old. On Speed Secrets with Richard Holdner and the guys at Comp Cams, the team puts an LS3 Crate Motor on the dyno to see just how much power a cam swap has to offer.  Normally a factory LS3 engine has stock LS3 heads, ... Read More »

Speed Secrets: Upgrade an LS2 Crate Engine

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While a camshaft, cylinder head, or intake manifold upgrade alone on an LS2 will get you decent power gains, the combination of all three is even better. Richard Holdener from Speed Secrets and the guys from Comp Cams team up to go all in on an LS2. Before upgrading the LS2 Crate motor, the team needs to establish a baseline ... Read More »

Speed Secrets: Do You Have a Favorite Camshaft?

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Most engine builders, especially those that have been building engines for a long time, have a go-to camshaft. Something they really trust to do well on any combination, from mild to extreme, and Richard Holdener with Speed Secrets is no different. He brought his first 5.0L Ford in 1987 embodied in a 1988 5.0L Ford Mustang LX. Since then he’s ... Read More »

PRI 2018: FAST® Ignitions Deliver the Energy Needed for Your Racing Engine

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When you need more spark energy from your ignition system, FAST® has you covered. Mark Campbell from FAST® was on hand at the 2018 PRI show to explain the popular E6 and E7 ignitions, and how they deliver the kind of precision and power needed when dealing with the demands of today’s racing engines. A highlight of the ignition boxes ... Read More »

PRI 2018: Race XD™ Bushed Solid Roller Lifters in the Spotlight

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While many race applications already use solid roller lifters, COMP Cams® has found a way to make them lighter, stronger, and overall better than ever before. At the 2018 PRI Show, Jay Adams was on hand to introduce the newly improved Race XD™ Bushed Solid Roller Lifter design. The key to this line is lightweight strength, “These are built with ... Read More »

The 1,000-HP Cam: Turbo LS Power

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By Richard Holdener/Photos by Author We will skip right past the notion of whether you really need 1,000 hp, and jump right into how to get 1,000 hp. The reality is that most race cars have trouble putting four-digit power levels to the ground, let alone street cars, but since 1,000 hp seems to be the new 500 hp, let’s ... Read More »

Power For Peanuts: Gen V Big Block Power

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By Richard Holdener/Photos by Author  We all love big-block Chevys, right? But does that love affair include the much –maligned, peanut-port motors? For the uninitiated, peanut port refers to the small, oval-port heads used on the Gen-V 454 truck motors run prior to the introduction of the Gen VI in 1996. When Chevy introduced the Gen VI iteration, they replaced ... Read More »

Speed Secrets: It’s All About E85

It’s All About E85

In this episode of Speed Secrets, Richard Holdener explains everything you need to know about E85, and puts the ethanol fuel blend to the test. There are many benefits to running E85 fuel, which is a blend of 85% ethanol and 15% gas. It is a much higher octane fuel (112 vs 91) than what is available at most pumps, ... Read More »

Speed Secrets: Swapping a Cam in a Carbureted LS Crate Motor

Swapping a Cam in a Carbureted LS Crate Motor

A carbureted LS crate engine with a single pattern cam gets a camshaft swap on this episode of Speed Secrets with Richard Holdener. Richard Holdener teamed up with Comp Cams to see just how much power can be gained by upgrading to a Dual Pattern cam.   Starting with a carbureted LS Crate motor supplied by Blueprint Engines, that came ... Read More »