Hyundai Elantra Engines

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The Hyundai Elantra is a compact car model developed initially in Korea. The 2011 generation of this vehicle has a 1.8 L in-line four-cylinder DOHC engine. The in-line engine, also referred to as a straight engine, is characterized by the single-row alignment of all of the cylinders. This kind of engine is often used in smaller cars, and is appropriate for fitting the smaller Elantra. The inline engine in this vehicle can make it difficult to cool, and so owners of this car have to be sure not to let their car overheat. But this type of engine is also built to keep the overall weight of the car light. This engine’s DOHC, or dual overhead cam, feature enables variations in valve function. This can benefit fuel economy, because it means that the air and fuel move into the main chamber together, but they do so with a rotary motion. This helps limit the carbon emissions that the car releases at low speeds. The car’s four-cylinder engine is less powerful than a six-cylinder, and there may be some hesitation when drivers accelerate.

 

 

Hyundai has a history of using DOHC engines with four cylinders in their Elantra models. The earlier generations of Elantras have slightly larger engines than the compact cars, but in general they are all relatively lightweight and the variable valve function means emissions are reduced. Their design throughout the years has been relatively consistent. The previous generations of this model have a bore measurement of 82 millimeters, and a stroke of 93.5 millimeters. The compression ratio is also around 10 in each model. The 2006 generation of this car has a slightly lower compression ratio than cars released in other years. The compression ratio of these cars allows drivers to use lower-octane fuel without experiencing the characteristic knocking that is a problem with cars with higher ratios. These engines are all undersquare engines, meaning the bore diameter (82 mm) is less than the stroke length (93.5 mm). These are also referred to as long-stroke engines. These engine types frequently achieve their peak performance at lower speeds. The reason for this is because the smaller size of the engine bore means there is less room for cylinder valves. But this also means that the front wheels have more room to steer. The friction between the engine components is increased with these kinds of bore and stroke ratios.