Have you heard a twin-screw blower yet? There is nothing in the world like the giant slide-whistle scream of the new batch of positive-displacement superchargers for late-model engines. It's like ...

Before we dive into the results that you already know because you’ve jumped ahead to the dyno curve, let’s take a look at what’s inside our ZZ502 base engine. The ZZ502 long block is based on GM’s Gen ...

As part of the installation process, PHP's Karl Roekle plumbed an intake-air-temp sensor into the underside of the PowerCooler discharge duct, just upstream of the throttle body, which required a ...

If you're a big fan of spicy food, you check out somebody like Guy Fieri on the Food Network to watch him cook up all kinds of hot habineros. But if you want to feel the heat from a Hemi, Vortech ...

Vortech’s V-13 94C supercharger head unit is the 1,500+HP upgrade for V-7 users. It has a billet case and a race-proven ...