Two months back we bolted a thumpin' Vortech V7 YSi centrifugal supercharger to our ZZ502 for a quickie blow-through carburetor boost test. We didn't touch the 9.6:1-compression long-block except for ...

High-performance street cams are usually small enough to be installed without additional engine modifications. Cam designers are pretty well acquainted with the physical limitations of most popular ...

When modifying any diesel vehicle, there's always the question of "what's next?" In Colton Ahlberg's case, he had already modified his truck with larger injectors, a bigger turbo, modified injection ...

If one thing truly leads to another, you can say the head and exhaust swap we performed on the Balls of Fury (Charlie and Chad Pirchio's '64 Sport Fury) in the August '13 issue (Two Bolt-ons Bring 81 ...

When the function of a camshaft(s) is explained to non-mechanically-inclined types, it's sometimes referred to as the "brain" of an engine. Most engines will live their entire lives with the stock cam ...