What is a DOHC Engine - Its Advantages and What Makes It So Popular?

What is a DOHC Engine and what makes it so popular among car manufacturers?

Since the very beginning, when several automotive brands started to surface the world market, a lot of different, unique, and innovative technologies kept on getting introduced. In today's world, almost all modern cars come equipped with a lot of technologically advanced items. These technologies that are factory-fitted in the cars help the car owner to commute with comfort. It improves the in-cabin experience and offers a lot of other benefits in various aspects.

Right from the engine's core to the finest details done on a car, we have a lot of options available in the market. When it comes to engines, we have many options such as VTEC, i-VTEC, SOHC, OHC, DOHC, and many more. One of the most common amongst these is the DOHC engine. Not just cars, the use of DOHC engines can be seen in super-bikes as well.

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Understanding DOHC engines better

DOHC is the short form of Dual Overhead Cam, and this engine gets its name due to the extra cam that helps the piston's movement. Currently, DOHC is one of the most advanced engines that houses a prominent cam mechanism. This engine is used in several cars by various brands. DOHC can also be said as an extension to the SOHC engine but with an extra cam to operate the head valves. 

Advantages of a DOHC engine

Being one of the latest and efficient engines, DOHC comes with a lot of performance benefits. Some of the highlights of this engine are listed below:

• The first thing that a car enthusiast gets to enjoy in a DOHC engine is better performance in terms of power, torque, and efficiency. Though it highly depends on the engine horsepower. But DOHC has two cams that allow the manufacturers to place the valves in any desired place for maximum output.
• Another very important thing that a car enthusiast looks at in an engine is extracting the most out of it. Here is where a DOHC engine plays a vital role. This engine allows to precise tune the engine valve timings to get better and precise output. 

• The placement of the spark plug also plays a crucial role when talking about performance. In a DOHC engine where there are two camshafts, the manufacturers get the liberty to place the plug wherever they get the most output from.
• All the DOHC engine offers better output in its respective rev band. But on the other hand, you will also have to compromise on the low-end punch.
• When it comes to noise, DOHC is the finest with the least noise.
• The integration of an extra camshaft gives a smoother and better performance.

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Almost all the brands have been using the DOHC engines for quite some time now. The advantages of this engine give it an edge over its counterparts. Be it the performance, refinement, or any other aspect, DOHC is good to go engine option. So, now you know what is a DOHC engine. What are your thoughts on the DOHC mills? Do feel free to share your thoughts and opinions with all of us in the comments section below. You can also join our 91Wheels Auto Enthusiast Telegram group (click via mobile to join) curated exclusively for the fans, enthusiasts and owners. Further, subscribe to our YouTube channel for more such amazing motoring updates.