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Articles by Richard Holdener

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richard holdener holding an intake manifold near a GM ls engine on a dyno

Going FAST(er)! A 5.3L LS Intake Manifold Comparison Test

The question on the table is just how much is an intake upgrade worth? In reality, that is just one of the questions, as the power gains (if any) naturally […]
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500 horsepower 5.3L gm ls engine on dyno run

The High 5! Building a 500 Horsepower All-Motor 5.3L LS

We all know that making big power with an LS is as easy as adding boost, right? In fact, the recipe for huge power is to add cam, springs, and […]
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richard holdener installing a tpi intake manifold plenum on a chevy 305 small block v8 engine

The Forgotten Warrior: Chevy 305 (5.0L) Small Block V8 Performance Upgrades

Try this experiment the next time you are sitting around the garage or online, talking about small block Chevy performance. When everyone is talking about DZ302s, 365 hp 327s, and […]
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richard holdener with summit racing ford alphabet cams

Plus is the New E: Summit Racing E303 Plus vs. Ford E303 Camshaft Comparison

How much is a cam swap worth on a 5.0L Mustang? Obviously, the next question should be: What cam swap are we talking about? The Ford Performance “Alphabet Cams” When […]
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4.6 liter supercharged ford mod motor with zex nitrous kit on engine dyno

Terminator on Ice: Adding a Zex Nitrous Kit to a Supercharged 2003 Ford Cobra 4.6L!

What is your favorite power adder? The question is actually quite common among performance enthusiasts. The problem is often choosing between the different types. Let’s face it, as good as […]
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richard holdener poses in front of engine dyno with supercharged and turbocharged pontiac buick 3800 engine

Ditch The Blower: 600 HP Turbo 3800 V6 Build

When it comes time to talk about engine swaps, the first motor that comes to mind is probably the GM LS. Long the darling of the industry, the LS has […]
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richard holdener holds a cam in front of a ram magnum 360 engine for a camshaft swap test

Cam for the Ram! 360 Magnum Cam Upgrade

What does the Dodge Magnum 360 have in common with the GM LS engine family? In fact, what does a Magnum 360 (or smaller 5.2L 318) have in common with […]
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Richard holdener with a large turbocharger in front of a supercharged pontiac 3800 on an engine dyno

Compound Boost! Turbo/Supercharged 3800 V6 (Part 2)

Quick, what is the one thing every motor needs? The answer, as always, is BOOST! What if your motor already has boost, like the junkyard, supercharged 3800 Series-3 V6 we […]
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rcihard holdener holding a supercharger pulley in front of a pontiac 3800 v6 on an enigne dyno

Junkyard Boost! Supercharged 3800 V6 Mods (Part 1)

The only thing better than going to the junkyard and grabbing a running motor is to grab a running motor with boost. Click here to see Part Two of this […]
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ls engine being run on dyno test

Stroker LS Cam Swaps: When is Bigger Not Better?

They say too much of a good thing can be bad, but does this apply to cam timing, more specifically stroker cam timing? Can you over-cam your LS stroker motor? […]
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