overhead-valve engine


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overhead-valve engine

n
(Automotive Engineering) a type of internal-combustion engine in which the inlet and exhaust valves are in the cylinder head above the pistons. US name: valve-in-head engine Compare side-valve engine
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The car initially came with a sidevalve engine but was later improved to an overhead-valve engine.
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5 hp, 4-cylinder, overhead-valve engine that drove the rear wheels through a 4:1 auxiliary gearbox.
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The stout 4-cycle overhead-valve engine featured pressurized lubrication, a drop-forged high carbon steel crank with 2-1/2-inch diameter crank pins, 3-1/2-inch bore, and 5-inch stroke.
A Model D worth waiting for: farmer and Moline-Universal reunited after a half century

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