push·​rod | \ ˈpu̇sh-ˌräd How to pronounce pushrod (audio) \

Definition of pushrod

: a rod actuated by a cam to open or close a valve of an internal combustion engine

Examples of pushrod in a Sentence

Recent Examples on the Web

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 Nor drinking, either: the 6.2-liter pushrod V8 is fitted with dual fuel systems to pump more gas into the cylinders in extremis. Dan Neil, WSJ, "2019 Corvette ZR1: The Last, and Best, of Its Kind," 28 Nov. 2018 Another 40 seconds later, the Tracker still missing, the Disco nosed over the last crest, pushrod clacking furiously, and ripped down the final dune for the win with a 7:34. Car and Driver, "The Battle of the Off-Road Beaters: Ford F-150 Custom vs. Geo Tracker, Jeep Cherokee, Land Rover Discovery," 30 Nov. 2016 Although the engine remains a cam-in-block pushrod design, the cam is now fitted with a hydraulic timing phaser so that intake and exhaust valve opening and closing duration can be changed to improve performance. Ben Wojdyla, Popular Mechanics, "GM Unveils The Next Corvette's V-8," 24 Oct. 2012 Instead of the pushrod, two-valve heads used in the standard Corvette engine (and every other Corvette engine before and since), the ZR-1 had a 5.7-liter V-8 with quad overhead cams and four valves per cylinder. Ezra Dyer, Popular Mechanics, "Why Chevy Needs This Naturally Aspirated, Wisconsin-Built V-8," 25 Dec. 2017 The technology is standard on Ram 1500 V-6 models and optional on 1500s with the pushrod V-8. Greg Fink, Car and Driver, "2019 Ram 1500: Out of the Crosshairs," 14 Jan. 2018 The pushrod eight-cylinder engine is the same unit found under the hoods of the equally powerful Dodge Charger SRT Hellcat and the Dodge Challenger SRT Hellcat. Greg Fink, Car and Driver, "Trackhawk Down: 707-HP Jeep Priced from $86,995," 8 Aug. 2017 Big in this context means a pushrod 6.4-liter V-8 rated for 410 horsepower and 429 lb-ft of torque. Tony Swan, Car and Driver, "2017 Ram 2500 HD 6.4L Gasoline V-8 Crew Cab 4x4," 16 June 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'pushrod.' 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 pushrod

1908, in the meaning defined above

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Time Traveler for pushrod

The first known use of pushrod was in 1908

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to move or obtain by small maneuvers

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