Richard Holdener

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 […]

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 […]

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 […]

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 […]

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? […]

What the heck is an L99? We know GM uses these alphanumeric designations to label its many engine configurations, some of which were more notable than others. For instance, most […]

Is it better to run one big turbo or two smaller turbos? This is a very common question among enthusiasts, and while it usually comes down to packaging, a single […]

Here is a simple question: Do cylinder heads help determine the effectiveness of your Ford combo, or, does the combo help determine the effectiveness of the heads? The reality is […]

What does every enthusiast have in common? No matter what car you drive, what motor you like, or how old you are, we all share the same desire to make […]

In today’s video, veteran engine builder Richard Holdener is testing three different camshafts on a supercharged 4.8L LMR engine to see how each of them impact boost and power. The […]