DOHC meaning

DOHC stands for Dual Overhead Cam, which refers to an engine design with two camshafts per cylinder bank.


DOHC definitions

Word backwards CHOD
Part of speech DOHC is an acronym or abbreviation for "Double Overhead Camshaft." It is typically used as a noun to refer to a type of engine design in which the camshafts are located in the cylinder head.
Syllabic division The syllable separation of the word DOHC is D-O-H-C.
Plural The plural of DOHC is DOHCs.
Total letters 4
Vogais (1) o
Consonants (4) d,o,h,c

DOHC, which stands for Dual Overhead Camshaft, refers to an engine configuration where there are two camshafts per cylinder head. This means there are separate camshafts for the intake and exhaust valves, allowing for more precise control over the valve timing and lift compared to a single overhead camshaft (SOHC) engine.

Benefits of DOHC

One of the main advantages of a DOHC engine is its ability to deliver higher performance compared to a SOHC engine. The dual camshafts allow for better airflow into and out of the cylinders, resulting in improved combustion efficiency and more power output. Additionally, DOHC engines tend to have higher rev limits, making them ideal for high-performance applications.

Efficiency and Durability

Another benefit of DOHC engines is their improved efficiency and durability. The precise control over the valve timing and lift helps maximize fuel combustion, leading to better fuel economy. Additionally, the dual camshafts are typically better supported, reducing the risk of wear and increasing the engine's longevity.

Complexity and Cost

While DOHC engines offer superior performance and efficiency, they can be more complex and expensive to manufacture compared to SOHC engines. The additional components and the need for precise machining add to the overall cost of the engine. However, many automotive enthusiasts are willing to pay the premium for the enhanced performance and reliability DOHC engines provide.

In conclusion, DOHC engines are known for their superior performance, efficiency, and durability. While they may be more complex and costly to produce, the benefits they offer make them a popular choice for many high-performance vehicles.


DOHC Examples

  1. The new sports car features a powerful DOHC engine.
  2. Mechanics prefer working on vehicles with DOHC systems.
  3. DOHC technology allows for better fuel efficiency.
  4. The DOHC setup gives the car a smooth acceleration.
  5. Many high-performance motorcycles use DOHC engines.
  6. DOHC is commonly found in modern race cars.
  7. Automobile enthusiasts appreciate the precision of DOHC engineering.
  8. DOHC engines provide optimal power output.
  9. Race car drivers depend on the reliability of DOHC systems.
  10. The DOHC design is known for its exceptional performance.


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  • Updated 15/05/2024 - 22:20:05