fits make: Chevy.



| Brand | CORVETTE |
|---|---|
| Manufacturer Part Number | 3725899 |
| Part Type | GEAR |
| Vintage Part | YES |
| Placement On Vehicle | REAR |
The Chevrolet Corvette Rear End Gear Posi, part number 3725899, is a high-performance rear end assembly specifically designed for 1955 to 1962 and 1956 to 1964 Chevrolet cars. This rear end gear posi is an ideal upgrade for enthusiasts who want to improve the traction and handling of their classic Chevrolet models.
This rear end assembly is equipped with a Positraction limited-slip differential. Positraction is a brand name for force-loaded limited-slip differentials, which utilize precision-molded gears and a clutch pack to distribute engine torque evenly between the driven wheels, reducing wheel slip and maximizing traction. This results in better acceleration, improved cornering, and a more even power distribution, making it an essential addition for those who enjoy driving their classic Chevy vehicles enthusiastically.
This rear end gear posi is constructed with a heavy-duty cast iron housing, ensuring both durability and strength. Its robust design can handle significant torque outputs, making it suitable for high-performance and muscle car applications. Furthermore, the large 3.54 gear ratio offers an ideal balance between highway cruising and aggressive acceleration.
The Chevrolet Corvette Rear End Gear Posi, part number 3725899, is a direct bolt-on replacement. This means that it can be easily installed without the need for extensive modifications to the vehicle. Additionally, it is compatible with a wide range of suspension applications, including solid axle and independent rear suspension systems.
This rear end gear posi also includes new axle shafts, carefully machined and balanced to ensure smooth and quiet operation. The seals, bearings, and other necessary hardware are also included in the package, making this a complete, ready-to-install performance upgrade for your classic Chevrolet.
In summary, the Chevrolet Corvette Rear End Gear Posi, part number 3725899, is an upgrade which provides superior traction and handling,maximizes power delivery to all wheels and bolts directly on to 1955-1962 and 1956-1964 Chevrolet models. Its heavy-duty cast iron housing and Positraction limited-slip differential ensure both durability and high performance, while its compatibility with various suspension systems and easy installation process make it an attractive option for any classic Chevy enthusiast looking to improve the driving experience of their prized possession.
The Chevy Corvette N3725899 rear end gear Posi (positive traction rear end) is a popular upgrade for enthusiasts looking to improve the performance of their classic Corvettes. Like any automotive purchase, there are pros and cons to consider before making the investment. In this analysis, we will weigh the advantages and disadvantages to help aid your decision-making process.
Pros:1. Improved Traction: The primary benefit of installing a Posi rear end is the additional traction it provides, especially during aggressive driving and cornering. Posi units employ multiple friction clutches to mantain differential gears in constant mesh, resulting in a consistent connection between the drive wheels and the ground, enhancing overall power transfer and grip.
2. Handling: The Posi unit improves handling by reducing tire scatter and improving grip at the wheel. This results in better steering response and more confidence behind the wheel, making your vintage Corvette more enjoyable to drive.
3. Enhanced Stability: The Posi rear end's superior traction advantages help to improve vehicle stability, making it more resistant to swerve and skid. This leads to safer driving conditions during navigating sudden obstacles and in wet weather.
4. Durability: A Posi unit is generally stronger and more reliable than a conventional open differential. Due to its differential gears being continuously engaged and secured to the pinion shaft, it is less likely to experience damage during heavy use and high-power application.
Cons:1. Cost: The cost of purchasing and installing this performance part is considerable, both in terms of the raw materials and the labor involved in the swap. Therefore, it might not be a feasible investment for those on a tight budget or for those who wish to save their funds for other upgrades or maintenance tasks.
2. Increased Wear: While Posi rear ends are more durable than stock differentials, constant engagement of the gears may lead to increased friction and wear. This additional wear could require more frequent maintenance and inspections to ensure continued smooth and reliable operation.
3. Noise and Vibration: Installing a Posi unit may result in increased noise and vibrations emanating from the rear end of your vehicle. This can lead to an unpleasant driving experience and even potential concern for some owners. However, this can be mitigated by employing high-quality gaskets, seals, and lubricants.
Conclusion:The Chevy Corvette N3725899 rear end gear Posi is an excellent investment for enthusiasts who are looking for improved traction, handling, stability, and durability. Its advantages far outweigh its pitfalls when considering the enjoyable driving experience it brings. That being said, the relatively high cost, potential noise and vibrations, and additional maintenance requirements are worth noting.
Recommendation:If your budget permits, and you're looking for better traction and performance from your classic Corvette, the Chevy Corvette N3725899 rear end gear Posi is a wise and worthwhile upgrade. Ensure to utilize a reputable supplier and experienced installer to maximize the benefits and mitigate any potential issues.
This rebuilt rear end has a very nice 3.55 gear. Good in a car with or without overdrive. It will fit in all 55 - 64 Chevy's and 56 62 Corvettes. Good performance gear.
