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 ...

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 ...