TEXAS DRIVETRAIN
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TEXAS DRIVETRAIN
PERFORMANCE
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Enhance Your Vehicle’s Performance: Why Re-Gearing Your Rear Axle Is a Must

As a vehicle enthusiast or someone looking to improve their driving experience, you understand the importance of optimizing various components of your vehicle. While performance transmissions and differentials often take the spotlight, one critical aspect that is often overlooked is the rear axle. Re-gearing your rear axle can significantly impact your vehicle’s performance, efficiency, and overall driving dynamics. Let’s delve into the reasons why re-gearing your rear axle is a worthwhile investment.

Unlock Enhanced Performance

The rear axle gear ratio plays a crucial role in determining your vehicle’s performance capabilities. By re-gearing your rear axle, you can fine-tune the gear ratio to better match your vehicle’s specific needs. Whether you’re seeking improved acceleration, towing capacity, or off-road capabilities, a proper gear ratio can transform your driving experience. Re-gearing allows you to optimize power delivery, resulting in quicker acceleration, increased torque, and enhanced overall performance.

Enhance Fuel Efficiency

Re-gearing your rear axle can also contribute to improved fuel efficiency. By selecting a gear ratio that is better suited to your vehicle’s engine and driving conditions, you can achieve a more efficient power transfer. This optimized gear ratio reduces strain on the engine, enabling it to operate more efficiently and potentially increasing your gas mileage.

Customize for Different Tire Sizes

If you’ve upgraded your vehicle with larger tires, re-gearing the rear axle becomes crucial to maintaining optimal performance. Changing tire sizes can significantly affect the vehicle’s gear ratio, leading to inaccurate speedometer readings, decreased power delivery, or excessive strain on the engine. As a general rule of thumb, every inch of increased tire size equates to roughly 0.10 deducted from your rear gear ratio. For example, let’s say you had 28″ tires with 3.42 gears, and swapped on some 35″ tires. Since that’s a 7″ gain, then you would add 0.7 to the 3.42 which would come out to 4.12. This would be the new gear ratio that would get your RPM’s back where they were before the tire swap.  By re-gearing, you can recalibrate the gear ratio to match the new tire size, ensuring accurate readings and preserving the vehicle’s overall performance.

Improve Off-Road Capabilities

For off-road enthusiasts, re-gearing the rear axle is essential to conquer challenging terrains. Off-road driving often requires more torque and better control over power delivery. By selecting a lower gear ratio through re-gearing, you can increase the torque output, providing better crawling capabilities, enhanced traction, and improved maneuverability in demanding off-road conditions.

Preserve Drivetrain Components

Re-gearing your rear axle can have long-term benefits by preserving the longevity of your drivetrain components. When the gear ratio is not appropriately matched to your vehicle’s specifications, it can lead to excessive wear and tear on the transmission, differentials, and other drivetrain components. By re-gearing, you can ensure that these components operate within their optimal range, reducing the risk of premature failure and saving you from costly repairs down the road.

Texas Drivetrain Performance

Re-gearing your rear axle is a significant step in maximizing your vehicle’s performance, fuel efficiency, and overall driving experience. Whether you’re seeking improved acceleration, enhanced off-road capabilities, or better compatibility with aftermarket tire sizes, re-gearing offers a tailored solution to meet your specific needs.

For professional re-gearing services, trust Texas Drivetrain Performance. As specialists in performance Tremec transmissions, differentials, and installations, we have the expertise and experience to re-gear your rear axle effectively. Our team of skilled technicians will ensure precise gear ratio calculations, seamless installation, and exceptional results.


Take the first step towards enhancing your vehicle’s performance. Contact Texas Drivetrain Performance today and schedule a consultation. Let us help you unleash the true potential of your vehicle through our re-gearing services and comprehensive drivetrain solutions.