Tag: engine

Autos

Inside GM’s Experimental V8 Engines: Engineering the W-43 and DOHC Pontiac 427

General Motors tackled some of its loftiest engineering challenges during the late-1960s horsepower wars, when its divisions duked it out with larger engines, more trick cylinder heads, more robust internal components, and ever-more complex valvetrains. Down in that maelstrom, Oldsmobile penned an experimental 32-valve V8-the W-43-based on its 455-cubic-inch platform. The engine never made its […]

Autos

Inside Ford’s Experimental Engine History: The 1920s X8 and the 1968 Calliope Big Block

Ford’s engine history is filled with ambitious experiments that went far beyond the familiar production powerplants. From the unusual X8 developed between 1920 and 1927 to the experimental Calliope racing V8 of the late 1960s and the downsized Es V6 and 255 V8 of the early 1980s, these engines show how dramatically Ford’s engineering priorities […]

Autos

Honda Engine Teardown Highlights the Ongoing Debate Over Oil Change Intervals

Oil change frequency remains one of the most debated subjects in automotive maintenance, with drivers, enthusiasts, and mechanics often disagreeing about how frequently engine oil should be replaced. Some owners prefer conservative intervals such as every 3,000 or 5,000 miles, while others are comfortable following longer factory-recommended intervals when modern synthetic oils and onboard maintenance […]

Autos

America’s Last Straight-8 Cars: The Engines That Disappeared When the Auto Industry Changed Course

Long before the V8 became the icon of the American hot rod, the straight-eight engine embodied a paradigm of smoothness and sublime effortless power. With its long inline design, the straight-eight provided exceptionally even power output and whisper-quiet operation, which proved ideal for premium luxury cars throughout the 30’s and 40’s and the early 50’s. […]

Autos

Secrets of Legendary Cars That Reached One Million Miles on Original Engines

Reaching one million miles on a single factory engine remains one of the most extraordinary achievements in the automotive world. While many vehicles struggle to cover a fraction of that distance without major mechanical work, a select group of legendary cars proved that exceptional longevity is possible. Their success came from conservative engineering, durable components, […]

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