Or, you can just run the engine really, really fast, cranking the RPMs up and bumping the power output simply by pushing the ...

When discussing speed in relation to a car or truck, the conversation usually refers to miles per hour a vehicle can travel, as seen on a speedometer. However, aside from the vehicle, the engine too ...

In recent years, there has been a resurgence in popularity of .257-caliber cartridges, and the newest offering is the 25 Weatherby RPM, announced today. The .257 bore has been popular for more than a ...

In our May '03 issue we introduced the Performer RPM II intake manifold from Edelbrock ("Biting Back," p. 52). A promising revision of the long-popular Performer RPM for fuel-injected 5.0 engines, the ...

There are very few sounds sweeter to a gearhead than a small-block spinning past 8,000 rpm. For anyone who appreciates internal-combustion engines and horsepower, a race engine spinning at high rpm is ...