HOLLEY 705744 Body 6742 FT73/FT74

( Brand: Holley ), ( Type: Main Body ), ( Oe/oem Part Number: 6742 ), ( Manufacturer Part Number: 705744 ), ( Material: Pot Metal ), ( Country/region Of Manufacture: United States ), ( Vintage Part: Yes ), ( Performance Part: No )

Review HOLLEY Main Body Ft73/ft74 Gmc used fits 366

The Holley 705744 6742 Body FT73/FT74 366 GMC is a high-performance carburetor designed to deliver precise fuel delivery for your 1973 or 1974 GMC 366 engine. This used carburetor is a direct replacement for original equipment, ensuring a perfect fit and function in your vehicle.

The Holley FT73/FT74 series carburetors are known for their exceptional performance and durability. This particular model features a 6742 body, which is specifically designed for larger engines. The body is made from high-quality aluminum, providing both strength and lightweight construction.

The Holley 705744 6742 Body FT73/FT74 366 GMC comes with a 366 cubic inch bore size, which is ideal for the larger engines found in many classic GMC trucks. The carburetor also includes a 750 CFM venturi, providing ample fuel flow for increased power and performance.

The Holley 705744 6742 Body FT73/FT74 366 GMC is equipped with a number of features designed to improve performance and ease of use. These features include a high-performance fuel pump, a power bulge bowl, and a secondary metering system. The power bulge bowl provides additional fuel capacity, while the secondary metering system helps to maintain consistent fuel delivery at high RPMs.

The carburetor also includes a number of adjustments to help you fine-tune the fuel delivery for your specific engine and driving conditions. These adjustments include Idle Mixture, Idle Speed, Primary and Secondary Air/Fuel Ratio, and Jetting. With these adjustments, you can easily fine-tune the carburetor to deliver the optimal fuel mixture for your engine, ensuring smooth and reliable operation.

In summary, the Holley 705744 6742 Body FT73/FT74 366 GMC is a high-performance carburetor designed to deliver precise fuel delivery for your 1973 or 1974 GMC 366 engine. With its durable aluminum construction, large 366 cubic inch bore size, and a number of performance-enhancing features, this used carburetor is the perfect choice for anyone looking to improve the performance of their classic GMC truck.

The Holley 705744 6742 Body FT73/FT74 366 GMC is a carburetor commonly used for older GM vehicles. Here are some potential pros and cons of buying this used carburetor.

1. Affordability: Buying a used Holley carburetor can be more cost-effective than purchasing a new one.

2. Availability: Older GM vehicles can be difficult to find replacement parts for, and a used Holley carburetor may be easier to find than a new one.

3. Performance: Holley carburetors are known for their high-performance capabilities, and this particular model is designed for the specific engine size of a 366 GMC.

4. Customizability: Holley carburetors offer a wide range of customization options, allowing users to fine-tune their engine's performance.

1. Wear and Tear: A used carburetor may have wear and tear that could affect its performance or require additional repairs.

2. Unknown History: The history of a used carburetor is unknown, which could lead to potential issues down the line.

3. Compatibility: While this Holley carburetor is designed for a 366 GMC engine, it may not be a perfect fit, requiring additional modifications.

4. Complexity: Carburetors can be complex systems to work with, and a used Holley carburetor may require more time and effort to get it running correctly.

Buying a used Holley 705744 6742 Body FT73/FT74 366 GMC carburetor can offer affordability and availability for older GM vehicles. However, it comes with potential drawbacks such as wear and tear, unknown history, compatibility issues, and complexity. When considering a used Holley carburetor, it's essential to factor in the potential costs of any necessary repairs or modifications.

If you're in need of a carburetor for an older GM vehicle and are on a budget, a used Holley carburetor could be a viable option. However, it's crucial to thoroughly inspect the carburetor for any signs of wear and tear and to consider the potential costs of any necessary repairs or modifications. Alternatively, purchasing a new Holley carburetor or exploring other options, such as electronic fuel injection, may be worth considering for added peace of mind and performance consistency.

part # 705744 prices

• $19.95-$67.99

specifications carbcaddie:

• for models: 366
• for makes: Gmc
• brand: Holley
• type: Main Body
• oe/oem part number: 6742
• manufacturer part number: 705744
• material: Pot Metal
• country/region of manufacture: United States
• vintage part: Yes
• performance part: No

payments carbcaddie:

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

returns carbcaddie:

• policy: No Returns

general carbcaddie:

• Car Truck Parts Accessories > Air Fuel Delivery > Carburetor Parts
• condition: For parts or not working

seller carbcaddie:

• # reviews: 541
• rating: 100.0%

offer carbcaddie:

• options: Ship-to-home
• availability: In Stock
• best offers: True
• sold: 0
• quantity: 1
• started: June 3, 2025

shipping carbcaddie:

• service: USPS Ground Advantage
• cost: $7.36
• type: Calculated
• carrier: USPS
• transit: 4-10 Days
• class: Standard

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