DACCO 64FHVCN55 Auto Trans Torque Converter Am

( Brand: Dacco ), ( Manufacturer Part Number: 64FHVCN55 ), ( Type: Auto Trans Torque Converter ), ( Fits 1: 1976, 1980-1984 Pontiac Bonneville ), ( Fits 2: 1972-1973, 1980-1981 Pontiac Catalina ), ( Fits 3: 1969-1975, 1981 Pontiac Firebird ), ( Fit Note: Automatic Transmission Torque Converter Converter Codes, . ), ( Manufacturer Warranty: 12 Month Warranty ), ( Attention: Please Read All Notes To Confirm Fitment ), ( Cs-sku: 400 )

Review DACCO Auto Trans Torque Converter Am fits BONNEVILLE CATALINA FIREBIRD GRAND

The **DACCO 64FHV-CN55 Auto Transmission Torque Converter** is a high-performance, direct-fit replacement designed specifically for Ford s legendary muscle cars, including the **1967 1974 Bonneville, 1967 1974 Catalina, and 1967 1974 Firebird** models equipped with the **302, 351 Cleveland, or 428 Cobra Jet V8 engines** paired with the **C4 automatic transmission**. Engineered to deliver superior torque multiplication and smooth shifting, this torque converter is built to meet the demanding requirements of high-performance applications while ensuring reliability under heavy loads. Crafted from premium materials, including a **high-strength aluminum housing** and **stainless steel components**, the DACCO converter is engineered to withstand the intense heat and stress generated by aggressive driving, ensuring longevity and consistent performance. Its **optimized stator and turbine design** enhances efficiency, reducing slippage and improving fuel economy without sacrificing power delivery. The **direct-fit construction** eliminates the need for modifications, making installation straightforward for both seasoned mechanics and DIY enthusiasts. Whether you're restoring a classic muscle car for weekend cruising or pushing it to the limits on the track, this torque converter provides the robust torque response and durability needed to handle the most demanding driving conditions. With DACCO s reputation for precision engineering and performance-focused innovation, this converter is an essential upgrade for any owner seeking to maximize the potential of their Ford muscle machine.

### Pros and Cons of Buying a Dacoco 64FHV-CN55 Auto Transmission with Torque Converter for Classic American Muscle Cars (Bonneville, Catalina, Firebird)

1. **Compatibility and Fitment** The Dacoco 64FHV-CN55 is designed specifically for GM s 3-speed automatic transmissions found in older muscle cars like the Bonneville, Catalina, and Firebird (typically from the late 1950s to early 1970s). This ensures proper alignment with the engine bay, bellhousing, and drivetrain components, reducing the risk of installation issues.

2. **Torque Converter Included** Unlike some aftermarket transmissions that require separate torque converters, this unit comes with a matched torque converter, simplifying the build process and ensuring proper fluid flow and engagement characteristics.

3. **Durability and Performance** Dacoco transmissions are built to handle the demands of high-performance applications, including drag racing, street driving, and towing. The reinforced internals and high-quality materials help prevent premature wear, especially when paired with a strong engine.

4. **Ease of Installation** The transmission is designed with modern machining and tolerances, making it easier to install than some older, worn-out factory units. It often fits better than a salvaged transmission, reducing the need for extensive modifications.

5. **Compatibility with Modern Upgrades** Many classic muscle cars are modified with modern engines (e.g., LS-based swaps) or performance parts. The Dacoco transmission is robust enough to handle these upgrades without excessive stress, provided the converter and linkage are properly matched.

6. **Reliability for High-Speed Applications** If you plan to use your vehicle for drag racing or high-speed driving, the Dacoco transmission is a proven choice. It is less prone to failure under heavy loads compared to some factory units that may have worn-out synchronizers or weak housings.

7. **Warranty and Support** Dacoco offers warranties on their transmissions, which can provide peace of mind compared to buying a used or salvaged unit with unknown history. Their customer support is also known for being responsive to technical questions.

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1. **Cost** A new Dacoco transmission is significantly more expensive than a used or salvaged factory unit. For enthusiasts on a tight budget, this can be a major drawback, especially if the vehicle is not yet a high-value project.

2. **Potential Overkill for Mild Applications** If your vehicle is used primarily for street driving or light towing, a Dacoco transmission may be more robust than necessary. A well-maintained factory unit or a lightly used aftermarket transmission (e.g., from a junkyard) could suffice and save money.

3. **Requires Proper Fluid and Maintenance** Like any high-performance transmission, the Dacoco demands proper fluid (typically a high-quality automatic transmission fluid like Mopar ATF 4 or a synthetic alternative) and regular maintenance. Neglecting fluid changes or ignoring symptoms of wear can lead to premature failure.

4. **May Not Match Original Driving Characteristics** Older muscle cars often have a unique "feel" to their factory transmissions, including linkage response and shift quality. Some drivers prefer the softer, more forgiving shifts of a factory unit, even if it is worn. The Dacoco transmission, while durable, may shift more aggressively or require adjustments to the linkage for a smoother feel.

5. **Potential for Misapplication** If the transmission is not properly matched to the engine s power output (e.g., pairing it with an overly powerful engine without a suitable converter or linkage), it could lead to excessive stress, slippage, or failure. This requires careful consideration of the drivetrain setup.

6. **Installation Complexity** While generally easier than working with a salvaged unit, installing a Dacoco transmission still requires mechanical skill, especially if modifying the bellhousing, linkage, or converter. Beginners may need to invest time in learning or seek professional help.

7. **Limited Customization Options** Unlike some aftermarket transmissions that allow for extensive modifications (e.g., custom converters, stronger clutches), the Dacoco is a pre-built unit with limited upgrade paths. If you want to experiment with performance tuning, you may need to source additional parts separately.

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The Dacoco 64FHV-CN55 transmission is an excellent choice for enthusiasts who prioritize durability, performance, and reliability in their classic muscle cars. It is particularly well-suited for those planning to push their vehicles hard whether for drag racing, high-speed cruising, or heavy towing. The inclusion of a torque converter and modern construction make it a strong alternative to salvaged units, though the upfront cost is higher.

However, if your primary goal is restoring a vehicle to its original condition or using it for casual driving, a well-maintained factory or lightly used transmission may be a more budget-friendly option. The decision ultimately depends on your budget, performance goals, and how much you value long-term reliability over initial cost.

- You plan to use your vehicle for performance driving, racing, or towing.

- You want a transmission that will last without frequent replacements.

- You are willing to invest in a high-quality, modern unit to avoid the hassle of dealing with worn-out factory parts.

- You have the budget to cover the upfront cost and are prepared for proper maintenance (fluid changes, inspections).

- Your primary goal is a period-correct restoration without aggressive performance modifications.

- You are working with a limited budget and can find a reliable used unit.

- You prefer the softer shift characteristics of an older transmission and are comfortable with potential maintenance issues.

For most high-performance applications, the Dacoco transmission is a sound investment that will pay off in reliability and longevity. Just ensure it is properly matched to your engine and drivetrain setup, and maintain it according to the manufacturer s recommendations.

Details:

1981 Pontiac Catalina 5.0L V8 THM350C. 1972-1973 Pontiac Catalina 6.6L V8 THM350C. 1980 Pontiac Catalina 5.7L V8 THM250C/M31. 1972-1973 Pontiac Catalina 7.5L V8 THM350C.

part #: 64fhvcn55 price

• $174.12

specifications torquconv:

• for models: Bonneville, Catalina, Firebird, Grand
• brand: Dacco
• mpn: 64fhvcn55
• type: Auto Trans Torque Converter
• fits 1: 1976, 1980-1984 Pontiac Bonneville
• fits 2: 1972-1973, 1980-1981 Pontiac Catalina
• fits 3: 1969-1975, 1981 Pontiac Firebird
• fit note: Automatic Transmission Torque Converter Converter Codes, .
• manufacturer warranty: 12 Month Warranty
• attention: Please Read All Notes To Confirm Fitment
• cs-sku: 400

shipping torquconv:

• cost: $0.00
• type: Fixed
• transit: 4-7 Days
• class: Standard
• service: Standard

payments torquconv:

• credit card: Discover
• other
• wallet: Apple-pay

general torquconv:

• Car Truck Parts Accessories > Transmission Drivetrain > Torque Converters
• condition: Remanufactured

returns torquconv:

• time: 30 Days
• paid by: Seller
• policy: Returns Accepted

offer torquconv:

• started: May 8, 2026
• availability: In Stock
• sold: 0
• options: Ship-to-home
• quantity: 1

seller torquconv:

• city: Reno, Nevada
• rating: 97.1%
• # reviews: 57863

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