Modification examples| The small steel gun EF9 Civic Type-R weighs only 780kg

  10
 August 26, 2024

An EF9 Civic infused with the soul of TypeR! Equipped with a K20A engine, weighing 780 kilograms, a small car with a speed like a bullet

Most of the body kits are made of carbon fiber! Behind the fastest record is a suspension system that perfectly matches the tires

This EF9 Civic is an authentic racing car built for the Central Time Atrack Challenge (CTAC).

CTAC has now become the most popular stage for the one-lap time trial in West Japan.

The engine is a DC5Integra K20A engine, which is loaded using a replacement kit (fixing bracket kit, wiring harness kit, etc.) from PASSPORT Company of the United States.

Although the interior of the engine body is in original factory condition, the intake and exhaust systems are modified around TodaRacing’s four-connected throttle system, achieving a data output of 210 horsepower at 9200RPM. Engine control is undertaken by HONDATA’s ECU.

The settings of the suspension are based on the adjustable suspension from Spirit.

The spring is made of Swift with high spring coefficient products (F24kg/mmR20kg/mm).

The rim is a 15-inch VolkRacingTE37, and the tire is made of the “AdvanA050 (F225/50-15R205/50-15)” representative of semi-hot-melt sports tires. In order to improve the traction performance, the tire material has also been changed from M to GS.

The interior of the car has been removed, has a single seat, and is equipped with a strong roll cage. In addition, the materials of the hood, roof, rear door and other body parts were changed to dry carbon, and the weight of the car has dropped to only 780 kilograms.

At the CTAC2021 held on January 31, 2021, the newly adopted GS material tires performed well, and the car set a new record of its own best (1 minute, 24.4 seconds) to 1 minute, 24.054 seconds, which is enough to defeat the fully tuned GT-R. The team will continue to advance in the future, so let us hope that it can advance later and improve the result to 1 minute and 23 seconds.

● Interview from activity: CTAC2021

This article was officially meized by WebOption Japan to translate and reprint.

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