The Jeep Wrangler, a legendary off-road vehicle, is constantly pushed to its limits by enthusiasts seeking ultimate capability. One of the most significant upgrades for conquering challenging terrain is installing 37-inch tires. This guide dives deep into everything you need to know about equipping your Wrangler with 37s, from the benefits and drawbacks to the necessary modifications and considerations.
Why Choose 37-Inch Tires?
37-inch tires offer a substantial increase in ground clearance, significantly improving your Jeep's ability to tackle obstacles like rocks, logs, and deep mud. This increased clearance translates to:
- Improved articulation: The ability of your suspension to flex and maintain tire contact with the ground over uneven terrain dramatically increases.
- Greater obstacle clearance: Taller tires allow you to easily navigate larger obstacles without high-centering or getting stuck.
- Increased traction: A larger contact patch provides more grip, especially in loose or slippery conditions.
- Enhanced off-road presence: Let's be honest, 37-inch tires look incredible on a Wrangler, commanding attention wherever you go.
Drawbacks of 37-Inch Tires
While the benefits are substantial, there are downsides to consider:
- Cost: 37-inch tires are expensive, both in terms of the tires themselves and the required modifications.
- Increased fuel consumption: Larger, heavier tires significantly impact fuel economy.
- Steering effort: Turning the wheel becomes more challenging, potentially requiring upgrades to the steering system.
- Potential rubbing: Significant modifications are needed to prevent tire rubbing against the body, fenders, and suspension components.
Necessary Modifications for 37-Inch Tires
Installing 37-inch tires on a Jeep Wrangler is rarely a bolt-on affair. Expect the following modifications:
1. Lift Kit:
A substantial lift kit (typically 4.5 inches or more) is essential to provide the necessary clearance. This involves replacing springs, shocks, and potentially other suspension components. Consider factors like ride quality and articulation when choosing a lift kit.
2. Wheel Selection:
You'll need appropriate wheels with the correct backspacing and offset to accommodate the larger tires and prevent rubbing. Consult with a tire and wheel specialist to ensure compatibility.
3. Fender Flares or Trimming:
The larger tires will likely rub against the factory fenders, necessitating either wider fender flares or trimming the existing fenders. This step often involves careful measuring and cutting to avoid damaging other body panels.
4. Gear Ratio Changes:
With larger tires, your engine will have to work harder, resulting in slower acceleration and reduced performance. Changing the gear ratio (re-gearing) is usually necessary to restore optimal performance.
5. Steering Upgrades:
Depending on the lift height and tire size, you might need steering stabilizer upgrades or even a high-steer kit to maintain proper steering control.
6. Possible Additional Modifications:
Depending on your specific Jeep Wrangler model and year, you might encounter additional challenges that might require modifications to the bumpers, control arms, or other components.
Choosing the Right 37-Inch Tires
The specific tire you choose will depend on your intended use. Consider factors like:
- Terrain: Mud terrain tires excel in mud and loose surfaces, while all-terrain tires offer a balance of on- and off-road performance.
- Driving style: Aggressive drivers might prefer more robust tires capable of withstanding extreme conditions.
- Budget: Tire prices can vary widely.
Conclusion
Installing 37-inch tires on a Jeep Wrangler is a significant undertaking, requiring careful planning and a substantial investment. However, for those seeking the ultimate in off-road capability and a head-turning appearance, the rewards are well worth the effort. Remember to consult with experienced Jeep mechanics and off-road professionals to ensure a safe and successful installation. This process is far more complex than simply mounting the tires; it demands thorough planning and attention to detail for optimal performance and safety.