Porsche's Taycan Turbo S is an electric sports car, but if you think that means it's slow, you're in for a shock. Its 0-60 is in the neighborhood of the record.

Variable geometry turbos promise better boost and efficiency, but do all Cummins engines include them? Dive into the tech and ...

The Turbo R, with only 4500 RPM and three gears, would crack 140 mph. They put on some sporting touches compared to the Rolls version in an early attempt to position the Turbo R as a driver’s car.

We test power output with various cams to see which one yields the most power. Click here for more details or check out the September 2012 issue of Car Craft Magazine.

The Taycan Turbo S has a starring role in this new action movie. Here's how it got the job done.

Mickey Thompson made compressed-air supercharging “a thing” more than 50 years ago ...

The obvious advantage of an engine swap over a turbo upgrade is that you will have a new engine and can likely expect to get more life out of your car.

By the car’s third model year, in 1993, Porsche had pulled together a more powerful motor to slide into the rear-mounted engine compartment, creating the 911 Turbo 3.6.