• By Divanshi Sharma
  • Mon, 01 Apr 2024 03:04 PM (IST)
  • Source:JND

When it comes to enhancing traction for off-road driving, one of the most effective methods is to focus on the tyres of your vehicle. Often, one of the initial modifications enthusiasts make after purchasing a 4x4 is to upgrade their tyres. Not only do tyres significantly impact the vehicle's off-road performance, but they also play a crucial role in its overall appearance. Therefore, it is essential to choose the right tyres for your off-road vehicle. 

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Tyre Selection 

Tyre selection plays a pivotal role in determining a vehicle's off-road capabilities. There are three primary tyre patterns to consider: Highway Terrain (HT), All Terrain (AT), and Mud Terrain (MT). While HT tyres offer excellent performance on paved roads with good grip, fuel efficiency, and minimal road noise, they perform poorly off-road due to their narrow tread voids. On the other hand, AT tyres feature larger tread voids, providing better traction off-road while maintaining smooth and quiet on-road performance. MT tyres, with their aggressive tread pattern and larger voids, excel in challenging off-road conditions by efficiently clearing mud and dirt but may compromise on-road handling and generate more road noise.

Tyre Size 

In addition to tyre pattern, tyre size also significantly impacts off-road performance. While larger diameter tyres increase ground clearance, they may lead to speedometer inaccuracies and potential clearance issues with fenders during maximum articulation. It's crucial to calculate the correct crawl ratio by considering the current differential ratio and the new tyre diameter to maintain optimal drivetrain performance.

Tyre Traction 

It is important to make sure that the tyres are producing enough traction. A simple yet reliable technique to improve traction is by reducing the tyre pressure. This action increases the tyre's contact area with the ground, allowing it to better conform to uneven surfaces and obstacles such as rocks. Consequently, this aids in enhancing traction, especially in muddy or sandy terrain. However, it's essential to exercise caution and not decrease the pressure excessively, as this could lead to the bead of the tyre becoming unseated. Generally, maintaining a tyre pressure of around 18-20 psi is considered safe for most off-road conditions. Additionally, it's imperative to reinflate the tyres once back on the road to avoid potential blowouts when driving at high speeds.

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Furthermore, when upgrading tyres, it's important to consider changing rims to accommodate wider tyres fully. Metal rims offer durability but add weight, while alloy wheels are lightweight and aesthetically pleasing but may be susceptible to damage from impacts. In conclusion, selecting the right tyres is paramount for enhancing off-road capability, and seeking advice from experts can help in making informed decisions tailored to individual needs.