The power, fuel efficiency, and longevity of an engine will heavily depend on the fuel that’s being delivered. Furthermore, an engine’s efficiency is dependent on a precisely calculated air-to-fuel ...

The basic difference between direct injection (DI) and the port-fuel injection (PFI) systems we've become familiar with since the mid-1980s is that PFI sprays fuel into the intake manifold (behind ...

The fifth generation of GM small-block was released in 2014 to cautiously optimistic enthusiasts around the world. The previous third and fourth-generation GM small-block V8s were not only special, ...