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Tag Archives: Speed Secrets

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 »

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 »

Speed Secrets: It’s Time for a Carbureted 5.3-Liter Cam Swap

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In this episode of Speed Secrets, Richard Holdener explores a LS cam swap, but it’s no ordinary swap. Check out how a carbureted 5.3-liter engine responds to a cam swap. To test the gains of a camshaft upgrade on a carbureted LS engine, Richard Holdener with Speed Secrets teamed up with Comp Cams.  Even though the LS engine was never ... Read More »

Speed Secrets: Are Cams and Boost a Perfect Match?

Are Cams and Boost a Perfect Match?

Blowers and turbos are installed on a 327 Small Block Ford to see how they pair with a mild COMP cam in this episode of Speed Secrets to see how well cams and boost go together. Richard Holdener with Speed Secrets and Comp Cams teamed up to test a camshaft for a naturally aspirated small block Ford and to see ... Read More »

Speed Secrets: How Well Does a Big Block Ford Respond to Modifications?

How Well Does a Big Block Ford Respond to Modifications?

While not as wildly popular as an LS, Small Block, or even a Big Block Chevy, there is still an awful lot to like about a Big Block Ford. From the early high compression ratio being 10.5:1, to the massive available displacement, and how common it is to still be able to see the cross hatch on the cylinder bores, ... Read More »

Speed Secrets: How to Choose a N/A Camshaft

How to Choose a N:A Camshaft

Richard Holdener explains how to choose camshafts for naturally aspirated engines in this episode of Speed Secrets. Comp Cams offers camshafts for Ford, Chevy, Dodge, and a lot of imports as well as specific applications. With so many options available for just about any project, you can imagine it can be a bit confusing. Richard Holdener with Speed Secrets and ... Read More »

Speed Secrets: What’s So Great About the FAST LSXR Intake?

Speed Secrets: What’s So Great About the FAST LSXR Intake?

When GM designed the LS1 engine, they didn’t give it an intake to do it justice. Thankfully, FAST came up with a solution. Richard Holdener explains the magic behind the FAST LSXR intake in this episode of Speed Secrets. Of all the intake manifolds GM has produced over the years, the LS1, the beginning of arguably the best GM engine ... Read More »

Speed Secrets: Are Small Block Chevy Cam Swaps Like LS Cam Swaps?

Speed Secrets: Are Small Block Chevy Cam Swaps Like LS Cam Swaps?

Can you get the same kind of gains from Small Block Chevy cam swaps as the LS guys? Find out in this episode of Speed Secrets with Richard Holdener. Chevys revolutionary LS based engines seem to be an anomaly. With the way these engines respond to even mild cams, it makes you wonder how it can be so superior to ... Read More »