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Richard Holdener

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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 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 […]