cam·​shaft | \ ˈkam-ˌshaft How to pronounce camshaft (audio) \

Definition of camshaft

: a shaft to which a cam is fastened or of which a cam forms an integral part

Examples of camshaft in a Sentence

Recent Examples on the Web The Porsche's problem will later be diagnosed as a nut that backed off the end of the right-bank camshaft, shearing a drive tooth, allowing the cam to stop turning altogether, and bending two valves. Larry Griffin, Car and Driver, "Turbo Car vs. Turbo Bike: 1978 Porsche 930 Turbo vs. Kawasaki Z1-R TC," 10 June 2020 Engine builder Dave Heitz of Advanced Transmissions bored the 440 big-block, upped the compression, and installed a Mopar Six Pack camshaft. Talon Homer, Car and Driver, "The Cars Are the Stars: The Art of Replicating Hollywood's Famous Rides," 14 June 2020 But the internal motor is updated with pistons, rods, crankshaft and camshaft. Phoebe Wall Howard, Detroit Free Press, "FCA mechanic is quietly transforming muscle cars in unmarked garage in Macomb Co.," 11 Jan. 2020 Instead, each valve has an electric actuator that works a mini-camshaft, opening and closing each valve independently from the others. Matthew Jancer, Popular Mechanics, "This Breakthrough Digital Valvetrain Is Brain Surgery for Car Engines," 6 Nov. 2018 In addition, overhead camshaft engines tend to have three or more valves per cylinder (the new Caddy 4.2L has four) versus two on most OHV engines, which is another airflow improvement. Matthew Jancer, Popular Mechanics, "Why GM Finally Let Cadillac Build an All-New Twin-Turbo V8," 28 Aug. 2018 There are dozens of sensors, measuring such things as throttle opening, engine rpm, air and coolant temperature, crankshaft and camshaft position, and road speed. Michael Austin, Popular Mechanics, "What Your Check Engine Light Means and What To Do About It," 31 July 2018 As the camshaft turns, its cams push against rods (called pushrods, see?) that open valves on the cylinder to let fuel in and exhaust out. 3. Kevin Dupzyk, Popular Mechanics, "Watch Us Take Apart an Outboard Motor Into 501 Pieces," 6 Aug. 2015 Reducing the number of camshafts and cam drives also reduces friction. Csaba Csere, Car and Driver, "Nine Things You Must Know about the New Mercedes Inline-Six," 20 Mar. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'camshaft.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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First Known Use of camshaft

1847, in the meaning defined above

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Time Traveler for camshaft

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The first known use of camshaft was in 1847

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Last Updated

12 Jul 2020

Cite this Entry

“Camshaft.” Dictionary, Merriam-Webster, Accessed 5 Aug. 2020.

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How to pronounce camshaft (audio)

English Language Learners Definition of camshaft

technical : a metal shaft or bar to which a cam is attached

More from Merriam-Webster on camshaft

Rhyming Dictionary: Words that rhyme with camshaft Encyclopedia article about camshaft

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