EK 4 vs EK 9: Difference and Comparison

The building of a vehicle is a complex process involving a number of different components. One of the basic building structures is the chassis. They are of different types, and each one is different from the others. EK refers to the chassis code, and numbers indicate the models. EK 4 and EK 9 are two chassis models having different characteristics.

Key Takeaways

  1. EK-4 refers to the fourth-generation Honda Civic, produced from 1991 to 1995, whereas EK-9 denotes the high-performance Type R version of the sixth-generation Civic, available from 1997 to 2000.
  2. The EK-9 features a more powerful engine, a sportier suspension, and other performance enhancements compared to the EK-4.
  3. EK-9 models are rarer and more collectable, as they were produced in limited quantities and primarily for the Japanese market.

EK 4 vs EK 9

EK-4 dogs are trained to detect explosives and are used by law enforcement agencies to prevent and respond to terrorist threats. EK-9 is a police dog trained in tracking, apprehension, and search and rescue, used to help locate missing persons, track suspects, and apprehend criminals.

EK 4 vs EK 9

The EK 4 chassis model is one that has a b16a DOHC VTEC engine. It requires the standard four nuts to hold the wheel. The chassis also has a seamless chassis and is a lot lighter in weight when compared to the EK 9 chassis model.

The EK 9 chassis model is heavyweight and constitutes an advanced b16b DOHC VTEC engine. It requires five nuts to hold the wheel with convenience. However, the steering wheel gives a bit harder feel while driving when compared to the EK 4 chassis.

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Comparison Table

Parameters of ComparisonEK 4EK 9
EngineEK 4 has a b16a DOHC VTEC engine.EK 9 has a b16b DOHC VTEC engine.
No. of nutsIt requires four nuts to hold the wheel.It requires five nuts to hold the wheel.
ChassisThe chassis is made up of seamless welding of beams and is lightweight.The chassis is made up of seam-welded stiff bars, which are also present behind the bumper and is heavyweight.
ARBThe rear ARB is 13 mm in EK 4.The rear ARB is 22 mm in EK 9.
Shocks and SpringsIt doesn’t have much advanced shocks and springs.EK 9 has better and advanced shocks and springs.

What is EK 4?

The EK 4 chassis is a great model with lots of advances and features. It looks pretty similar to the EK 9 chassis model but has a lot of different factors. The best feature of the EK 4 chassis is it’s very lightweight. 

The EK 4 chassis arrived with a b16a DOHC VTEC engine, and the requirement to hold the wheel is just four nuts. There is a unique thing about the material used for building the EK 4 chassis, which is also made up of seamless welded bars.  Its rear ARB is 13mm, and the EK 4 model doesn’t have as advanced or better shocks and springs as the EK 9 chassis model. 

Coming to describe the steering, EK 4 gives a fantastic feeling of well-structured power steering.  While driving, it can provide a hard time for the driver due to a bit of poor rolling on the corners. There is also a factor that in the EK 4 chassis model, the front wheels may not be followed by the rear ones. It also does not comprise a Type R badge which is present in the EK 9  model.

What is EK 9?

The EK 9 chassis is a powerful model of the EK series. It has some better and more unique specifications when compared to the EK 4 model. Whether it is the engine or drive feel, the EK 9 model feels superior to the EK 4.

The EK 9 chassis model has an immensely powerful b16b DOHC VTEC engine giving it an extra edge over the other chassis. The chassis is also very carefully built, having seam-welded stiff bars. These rigid bars are also present behind the bumpers giving more safety. The rear ARB of the EK 9 is 22mm and comes with the best-in-class shocks and springs, which are better than the EK 4 model. 

When we look into the matter of steering, it may not give a better performance at power steering. But the drive is easy to handle and smooth, with exceptional rolling on the corners; therefore, it is an excellent pick for long journeys on uneven and curvy roads. It also has a Type R badge. The EK 9 model equips a Limited slip differential and light in weight windscreen, which is not present in the case of the EK 4 model.

Main Differences Between EK 4 and EK 9

  1. The EK 4 model has a b16a DOHC VTEC model, while the EK 9 chassis model has a b16b DOHC VTEC engine.
  2. The EK 4 does not have a limited-slip differential, whereas the EK 9 model has. EK 9 even has a light windscreen.
  3. Only four nuts are required in EK 4 to hold the wheel, whereas in EK 9, five nuts are needed.
  4. The ARB is 13mm in the rear for EK 4 and is 22mm in the case of the EK 9 model.
  5. The EK 4 has a seamlessly welded chassis, whereas the EK 9 chassis has seam-welded stiff bars and is also heavier than EK 4.
References
  1. https://onlinelibrary.wiley.com/doi/abs/10.1111/mmi.12120
  2. https://ieeexplore.ieee.org/abstract/document/1428543/
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