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 ...

Compression ignition engines rely on the rapid heating of air through piston-driven compression to initiate fuel autoignition, a process that underpins the performance and emissions characteristics of ...

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 ...

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 ...

We may receive a commission on purchases made from links. The Duramax namesake has been alive for over 20 years and has been offered in 12 different variations. While there are some newer engines in ...

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 ...