It pushed 9,000 RPM and 605 HP, becoming the most powerful naturally aspirated production engine ever built.

Low- And High-Compression Fuel Economy Engines: The Techniques Are About The Same, But The Approach To Each Is Somewhat Different. A.Most stock cylinder heads have factory-cut undercuts of the type ...

A computer generated power stroke of an internal combustion engine, following ignition - Pathompong Thongsan/Getty Images When comparing engine specs for nearly any combustion engine automobile, we ...

With every passing day the Mule provides opportunities beyond our original expectations. Since the 467ci engine belongs to HPP editor Tom DeMauro, it is at our beck and call. This affords HPP the ...

Joel was previously an editor at Autoblog for nearly a decade, covering cars from humble economy hatchbacks to high-end sports cars. He has extensive driving experience with plenty of track time, and ...

Westport is debuting its high-pressure CNG fuel system with Cespira HPDI technology on a Volvo VNL 300 at ACT Expo. Another high-horsepower natural-gas engine system may soon be available from ...

The Milwaukee-Eight sits at the top of the Harley engine hierarchy and the biggest one edges really close to the 2,000cc mark ...

Bar’s Leaks High Mileage Engine Repair (p/n 1000) does the work of six separate products in a single dual-cavity bottle: engine treatment, oil treatment, smoke treatment, engine oil stop leak, oil ...