Bore and stroke do far more than define engine size. They help shape airflow, piston speed, torque delivery, and rev ...

Geely now holds a Guinness World Record for thermal efficiency, with its new i-HEV system rated at 48.4%, according to a ...

Engine power is a product of its overall displacement, but two similarly-sized engines with different bore and stroke ...

For 42 years, the XK was Jaguar’s secret weapon. It proved its worth on the racetrack and powered generations of cars. The ...

Intake, compression, power, then exhaust. Every 4-stroke engine ever made – about 80% of all engines currently in existence – function on this principle – even rotary engines. But now, Porsche has ...

Ford may label them them as "EcoBoost" engines, but there's nothing economical about the engines in the 2026 Ford Explorer ...

Your old, reliable engine has been coughing up some strange, but concerning noises. So, you call your mechanic to find out what the problem and solution are to restoring its harmonious hum. But the ...

Godzilla is the Ford swap engine of choice right now. Here are 20 upgrade options that make the 7.3-liter beasts even better. Engine-swapping is taking a powerplant and installing it into a vehicle ...

The rotary was the most radical rethink of the combustion engine in over a hundred years — and it paid the price for being different. Mazda introduced the innovative Wankel rotary engine in the 1967 ...

FLINT, MI — More than 70 years after General Motors workers built the first Corvette in Flint, the city is about to start ...

Rim-driven thrusters turn the normal propeller-motor arrangement inside out; rather than mounting the motor at the center of ...