Proposing tuning that is close to the user

JUN Auto Mechanic exhibited at Osaka Auto Messe 2024. With Tanaka Kogyo, a pioneer in internal combustion engine machining, as its parent company, JUN Auto Mechanic is a tuning shop that stands apart from the rest. Therefore, they are extraordinarily particular about engine tuning and have produced many high-performance cars that have blown minds.

The engine itself is stock for driving pleasure

JUN Automechanic is famous for its hard tuning, but has recently changed direction a little. The main axis of the company, Tanaka Kogyo, remains the same, developing tuning parts that can withstand high performance/high output and undertaking the machining of internal combustion engines. However, the machine make-up work undertaken by JUN Auto Mechanic has teamed up with JUN Autoworks, the sheet metal painting and body reinforcement division, to focus on the development and manufacture of aero parts, proposing total tuning close to the user as one of its pillars.

The current Toyota GR86 (ZN8 model) brought to the Osaka Auto Messe this time is a demo car that follows this trend, and its yellow body, the image color of JUN Auto Mechanic, creates an unusual atmosphere. The original products installed consist of wet carbon aero parts (front, sides, rear, bonnet, and side mirrors) and a SARD LSR rear wing.

The power system is a lightly tuned specification (233ps/27kgm actual measured values) with only a Trust exhaust manifold, catalyzer and muffler, and engine management program changes by EcuTek, and while this is a demo car from JUN Auto Mechanics, which specializes in full-scale engine tuning. The fact that the engine itself has not been modified is a sign of the times.

The suspension and brakes are made by D2 JAPAN, which excels in cost performance. It can be seen that this is also a user-first choice.

The aerodynamic performance of the aero parts has been enhanced while utilizing the genuine parts

“When we introduce a demo car, the first thing we add to the line-up is aero parts. Currently, they are manufactured in-house and, thanks to advances in technology, the time to market has become shorter than before. In contrast, engine parts are taking longer to commercialize due to increasingly complex management and the need for special machinery to manufacture engines that meet environmental performance requirements.”

Staff at the exhibition booth says.

As for aero parts, the concept is not full bumpers, but to make the stock bumper look cooler, with front diffusers, side steps, rear diffusers, and bonnets being the main items. However, performance, not visuals, is the top priority. The diffuser, rather than just a lip, is one such example, designed to provide downforce and rectification with minimal modifications. This is one of the strengths of in-house production.

The reinforced rear suspension member, which was also well received on the previous generation 86, is currently undergoing final adjustments for production. Based on the stock suspension member, reinforcements have been added to various parts to increase rigidity and optimize alignment. It is an excellent product that adds absolute peace of mind when driving hard-on circuits.

In the future, they will be participating in circuit time attacks and other tests to bring out the best performance of the GR86, so we look forward to the development and release of new parts.

translated by DeepL