Arias Pistons 12.5:1 Compression 82mm Bore Honda B-series on 2040-parts.com

BMW's N20 engine--four cylinders, more power

More power, greater torque, reduced fuel consumption, lower tailpipe emissions and less weight--but better? Before driving the BMW X1 xDrive28i, the first model to feature the German carmaker's new turbocharged 2.0-liter four-cylinder gasoline engine, we weren't so sure. The new engine, known as the N20 and set to lead a return of four-cylinder BMW models to North America for the first time since 1998, has been conceived to (indirectly) replace the company's long-running naturally aspirated 3.0-liter inline six-cylinder.

2014 Ford F-150 Tremor revealed

Street-truck enthusiasts looking for V8 power with V6 fuel economy, look no further. In what initially looks like a baby Ford Raptor or a true successor to the F-150 SVT Lightning, Ford has revealed a special trim package for their F-150, named the Tremor. Featuring the 3.5-liter EcoBoost engine packing 365 hp and 420 lb-ft of torque, the Tremor comes with the short-wheelbase, regular cab and 4x2 set-up.

German tuner Eisenmann repackages Audi R8

German exhaust tuner Eisenmann has developed a package of changes for the Audi R8 sports car, covering the exhaust system as well as several exterior additions made from carbon fiber, to create what it calls the Spark Eight by Eisenmann. Eisenmann says its aero package is more than just pretty looks and claims that it improves the car's driving dynamics and weight distribution. The changes include: -- Front fascia with grille and fins.