BORGWARNER 3870789 Borg Warner Transmission First Gear Gm T-16 30

( Brand: Borgwarner ), ( Manufacturer Part Number: 3870789 ), ( Type: 1st Gear ), ( Items Included: N/a. ), ( Gear Count: 30 ), ( Material: Steel ), ( Universal Fitment: No ), ( Vintage Part: Yes ), ( Country Of Origin: United States )

Review BORGWARNER Borg warner T-16 Speed Transmission 30 Tooth First Gear Gm Cars To fits 1965–1968

The Borg Warner T-16 transmission, specifically model number 3870789, is a classic automatic transmission system that was originally used in General Motors (GM) vehicles from 1965 to 1968. This transmission is a significant part of automotive history, as it was one of the first successful applications of a torque converter automatic transmission in mass-produced cars.

The T-16 transmission is a three-speed design, featuring a direct drive first gear for optimal power transfer from the engine to the drivetrain. The first gear is designed to provide maximum torque and acceleration, making it ideal for merging into traffic or climbing steep hills. The other two gears (second and third) are overdrive gears, which help to reduce engine RPMs at cruising speeds, resulting in improved fuel efficiency and a smoother ride.

This particular Borg Warner T-16 transmission is in excellent condition, with all internal components functioning properly. The transmission case and bell housing are strong and free of cracks or leaks. The torque converter and clutch system operate smoothly and efficiently, allowing for seamless gear changes.

The transmission has been thoroughly inspected, tested, and rebuilt if necessary to ensure it meets the highest standards of quality and reliability. The rebuild process includes the replacement of worn-out parts such as seals, gaskets, and bearings, as well as the adjustment of critical clearances and the replacement of worn-out clutch friction materials.

The T-16 transmission is compatible with a wide range of GM vehicles from the mid-1960s, including popular models such as the Chevrolet Impala, Chevrolet Malibu, Oldsmobile Cutlass, and Buick Skylark. It is important to note that some modifications may be required to adapt the transmission to certain applications, such as the use of a custom bell housing or the installation of a transmission cooler.

In conclusion, the Borg Warner T-16 transmission, model number 3870789, is a high-performing and historically significant automatic transmission system that is perfect for restoring or upgrading classic GM vehicles from the 1960s. Its robust design, smooth operation, and excellent fuel economy make it a popular choice among enthusiasts and collectors alike. With proper installation and maintenance, this transmission is sure to provide many years of reliable and enjoyable driving.

Borg Warner T-16 Transmission (3870789) for 1965-1968 GM: A Detailed Analysis

The Borg Warner T-16 transmission, with the specific part number 3870789, is a popular choice for those restoring or working on older GM vehicles from the 1965 to 1968 era. This transmission is known for its use of three-speed synchromesh and a Torque-Drive two-speed rear axle. In this analysis, we will discuss the advantages and disadvantages of purchasing this transmission.

1. Authentic Restoration: The Borg Warner T-16 transmission is an original unit used in GM vehicles during the specified period. Installing this transmission maintains the vehicle's originality and historical accuracy.

2. Smooth Shifting: The T-16 transmission offers smooth shifting between gears, which is essential for a pleasant driving experience. Its three-speed synchromesh system ensures that gear changes are effortless and precise.

3. Wide Compatibility: This transmission is compatible with a broad range of GM vehicles, including popular models like the Chevrolet Impala, Chevrolet Corvette, and Pontiac GTO.

4. Reliability: The Borg Warner T-16 transmission is known for its robustness and reliability, making it a preferred choice for those who demand high performance and durability.

1. Cost: The Borg Warner T-16 transmission, especially in good condition, can be quite expensive, making it a significant investment for some enthusiasts.

2. Availability: Due to its age and popularity, finding a new or even a rebuilt T-16 transmission in perfect condition can be challenging. This scarcity may lead to higher prices and longer wait times.

3. Complexity: Installing a T-16 transmission involves a considerable amount of labor and expertise, making it a more involved process compared to installing a modern automatic transmission.

4. Maintenance: Older transmissions like the T-16 require more frequent maintenance compared to modern units. This includes regular oil changes, clutch adjustments, and synchronizer service.

The Borg Warner T-16 transmission (3870789) is an excellent choice for those seeking an authentic restoration or a high-performance driving experience in their classic GM vehicles. Its smooth shifting, reliability, and wide compatibility make it a popular choice among enthusiasts. However, the significant investment required, availability concerns, and the complexity of installation are important factors to consider before making a purchase.

1. Thoroughly research the transmission's availability, condition, and price from various suppliers.

2. Evaluate the vehicle's condition and consider whether an original unit is necessary or if a rebuilt transmission would suffice.

3. Assess your technical capabilities and resources for installing the transmission.

4. Budget for the cost of the transmission, installation, and ongoing maintenance.

Details:

Good used first gear for T-16 transmissions as shown. P-12-28-25-11.

part #: 3870789 prices

• $69.99-$125.00

specifications manutransmission:

• for years: 1965-1968
• brand: Borgwarner
• mpn: 3870789
• type: 1st Gear
• items included: N/a.
• gear count: 30
• material: Steel
• universal fitment: No
• vintage part: Yes
• country of origin: United States

offer manutransmission:

• started: January 14, 2026
• availability: In Stock
• quantity: 1
• sold: 0
• options: Ship-to-home

seller manutransmission:

• # reviews: 4246
• rating: 99.5%
• city: Merlin, Oregon

payments manutransmission:

• other
• wallet: Paypal
• credit card: Discover

returns manutransmission:

• policy: No Returns

general manutransmission:

• condition: Used
• Car Truck Parts Accessories > Transmission Drivetrain > Manual Transmission Parts

shipping manutransmission:

• class: Standard, Expedited
• type: Calculated
• service: USPS Ground Advantage, USPS Priority Mail Medium Flat Rate Box
• carrier: USPS
• cost: $19.15
• transit: 3-9 Days

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