Home | Tag Archives: SBC Cams

Tag Archives: SBC Cams

Speed Secrets: Is a Camshaft Swap Necessary for a Boosted Engine?

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The Xtreme Marine XM284HR camshaft with a .547 lift, 230/236 duration, and 112 LSA is an excellent camshaft for a ZZ-454 in a marine application, but how well would the cam do with boost? Richard Holdener with Speed Secrets teamed up with Comp Cams to put the combination to the test. This test was out of the norm in that ... Read More »

Speed Secrets: Putting the Wrong Camshaft in an LS Engine

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GM made two different port style heads for the LS engine family, the cathedral port and the rec-port, and while everyone knows that LS engines respond very well to cam swaps, what happens when the “wrong camshaft” is used in an LS engine? To find out what would happen if you took a cathedral port cam and installed it in ... Read More »

Speed Secrets: Gen III 5.7-Liter Hemi Camshaft Swap

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Richard Holdener with Speed Secrets teamed up with Comp Cams to take a Gen III 5.7L Hemi and make it go from mild to wild with just a cam swap. For a test engine, the team snagged a 5.7L Hemi from a Ram truck and got to work. With a little machine work they changed the bore and stroke of ... Read More »

Speed Secrets: Small Block Chevy Stroker Engine Cam Swap

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Using a test engine from the previous Speed Secrets: Single Pattern Camshaft Test, Richard Holdener and Comp Cams run the 420ci Stroker SBC with a Turbo to see how two of those single plane cams handle some boost. To recap, the team ran a complete mild to wild single pattern camshaft test on the Stroker Small Block Chevy featuring an ... 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: 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: 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 »