谷口×佐々木×蘇武 GRカローラ筑波アタック

Summary

Toyota releases the GR Corolla, sparking excitement among tuning shops. HKS, Cusco, and Blitz each modify a GR Corolla and compete in time attack battles at the track. Throughout testing various parts like dampers, springs, intakes, and tires, the teams push the GR Corolla's limits. Though building significant power, they ensure street drivability. The teams enjoy friendly competition while appreciating Toyota enabling GR Corolla customization. They look forward to future development to further showcase the GR Corolla's capabilities.

Takeaways

• 😀 The video features a time attack competition between 3 tuned Toyota GR Corollas on a racetrack
• 🚗 The cars were tuned by well-known shops: HKS, Cusco, and Blitz
• ⚙️ All 3 cars received significant upgrades like boost controllers, suspension, brakes, etc.
• 👟 Multiple tire compounds were tested on each car to optimize lap times
• 🏎 Despite different tunes, all 3 cars managed similar best lap times around 1 min 1 second
• 🏁 HKS GR Corolla lowered its best time from 1 min 2 sec in summer to 1 min 1 sec in winter
• ❄️ Colder weather and upgrades likely contributed to the better winter lap times
• 🤝 The drivers had a fun and friendly time attack battle pushing each other's builds
• 🔧 There are plans to develop the cars further with more power and weight reductions
• ⛽ The teams discussed using carbon neutral fuels to reduce environmental impact

Q & A

What kinds of cars are featured in the video?

The video features tuned Toyota GR86, Toyota GR Corolla, and Subaru BRZ cars.

What modifications were done to the HKS GR Corolla?

The HKS GR Corolla received an upgraded ECU for more boost, a prototype intercooler, a cold air intake, and a new center-exit titanium exhaust system.

What tires did the HKS GR Corolla use?

The HKS GR Corolla tested various tires including 295/30R18 Advan Racing slicks, Advan Neova AD09, and Advan A052.

What was the fastest lap time the HKS GR Corolla achieved?

The HKS GR Corolla's fastest lap was 1:01.950 using the Advan Neova AD09 tires.

What modifications were made to the Cusco GR86?

The Cusco GR86 received an ECU tune to increase boost pressure. Other than that, it was mostly stock with Cusco coilovers, an LSD, and some body reinforcement parts.

What was the fastest lap time for the Cusco GR86?

The Cusco GR86's best time was 1:01.373 using the Advan A052 tires.

What unique characteristics did the BRZ have?

The BRZ was based on the RZ model so it had different gear ratios and was lighter weight than the GR86 and GR Corolla.

How did the lap times compare between the 3 cars?

The lap times were very close, within a few tenths of a second between 1:01.3 to 1:01.9. The HKS GR Corolla was the fastest.

What kind of future modifications are planned?

The teams plan to increase power further by modifying turbos and engine internals. Weight reduction was also mentioned.

What was the overall goal of the time attack event?

The goal was to showcase the tuning potential of these cars from street to track use, as well as have fun competing against each other.