This summary of the video was created by an AI. It might contain some inaccuracies.
00:00:00 – 00:15:04
The video centers on the modifications and preparations for optimizing a GR Corolla for track performance. Key themes include addressing body roll, enhancing braking performance, and managing heat issues, particularly around the clutch packs and differential. The team collaborates with a suspension firm to develop a new coilover system and experiments with different exhaust setups, motivated by feedback from the community. Important names and firms mentioned include Daryl and Apex Japan, as well as the involvement of Pexy for seat and harness adjustments.
Modifications discussed involve using heat wraps, altering exhaust placement, installing custom harness bars, and utilizing stickier tires. The team also plans to divert cool air to the clutch pack and monitor real-time data via Toyota Tech stream to prevent overheating. The video culminates with plans for testing the car at Button Willow and participating in the GR Movement series, emphasizing a goal of achieving sub-two-minute lap times. The overall aim is to share the entire process, from modifications to track testing, with their audience.
00:00:00
In this part of the video, the focus is on the modifications and preparations done after the recent track day with the GR Corolla. The team discusses addressing an issue with body roll, which was noticed despite the satisfactory braking performance. They worked with a suspension firm, sending data to develop a new coilover system suitable for track use. Additionally, an exhaust system is being specced out to enhance both performance and audible feedback for the driver, considering various configurations for the best experience. The intent is to build the car primarily for track purposes and share the entire modification process with the audience.
00:03:00
In this segment of the video, the team discusses their plans to experiment with different exhaust setups on a car to maximize fun and performance. They mention that Daryl took the car to the canyon for a test drive where it encountered an issue with the all-wheel drive system overheating and temporarily switching to two-wheel drive mode before normalizing. The team appreciates feedback from their Australian viewers who recommended various solutions such as the Cusco rear diff cover and heat wrapping the exhaust. They plan to investigate the placement of sensors that trigger warnings and share their findings. They examine the car’s undercarriage, noting differences in materials used for components such as the subframe or diff mount, and identify various sensors, preparing to make modifications and improvements.
00:06:00
In this part of the video, the speaker discusses various aspects of the Toyota Yaris, specifically focusing on the clutch packs, differential, and sensors. They note that the sensor only appears on the clutch pack, indicating it is monitoring the heat there. The exhaust’s proximity to the clutch packs is identified as a potential issue, especially in high-temperature conditions. The speaker suggests solutions such as diverting the exhaust or wrapping it to prevent heat transfer. They elaborate on potential modifications, including moving the resonator and using aerospace-grade wraps to significantly reduce heat, aiming to gather data and determine the effectiveness of these changes.
00:09:00
In this part of the video, the focus is on the setup and modifications needed to optimize a track car, particularly concerning heat management around the exhaust and clutch pack. The plan includes using an oval pipe and heat wrapping to manage temperature, followed by dyno tests to assess effectiveness. Additionally, addressing the car seats with help from Pexy to improve driver stability and installing a custom harness bar for four-point harnesses are highlighted. The goal is to reduce lap times through various adjustments such as stickier tires and better suspension. They also discuss solutions to prevent the clutch pack from overheating by improving exhaust placement, using heat wraps, and increasing diff fluid capacity. Moreover, guiding cool air to the clutch pack using under tray ducting, inspired by Toyota’s front diff design, is considered vital. Finally, real-time data monitoring via Toyota Tech stream is emphasized to track differential temperature during the next track outing.
00:12:00
In this segment, the video discusses the cooling challenges associated with a differential unit when using a 3070 mode, highlighting the benefits of maintaining a 50/50 track mode with sticky tires for better clutch cooling. It mentions upcoming upgrades such as suspension from Apex Japan, an exhaust system, and new wheels and tires, which they plan to implement after aligning the car. There’s emphasis on preparing the car for testing at Button Willow to break a sub-two-minute time and participating in the GR Movement series, starting on March 25th at Streets of Willow. The video wraps up by inviting viewers to meet them at the track and concludes with an appreciation for their subscribers.