fits model: 750.

( Brand: Oe Quality ), ( Manufacturer Part Number: BR-67257 ), ( Type: Carburetor ), ( Features: Down Draft ), ( Choke Type: Electric ), ( Material: Aluminum ), ( Mounting Flange Type: Square Bore ), ( Manufacturer Warranty: 2 Years ), ( Surface Finish: Yes ), ( Placement On Vehicle: Front ), ( Fitment Type: Direct Replacement )
The BR-67257 Carburetor is a high-performance 4150 mechanical secondary unit, designed for applications requiring large airflow rates. This carburetor boasts a generous 750 CFM (cubic feet per minute) airflow capability, making it an excellent choice for larger engines or those demanding increased power and acceleration.
The BR-67257 features a 4150 base, which is a popular choice among performance enthusiasts due to its robust design and versatility. The mechanical secondary system offers improved idle stability and vacuum secondary circuit, resulting in a smoother, more responsive engine operation.
One of the unique aspects of this carburetor is its dual fuel inlets. This design allows for the simultaneous use of both gasoline and ethanol or methanol fuel sources, making it an excellent choice for race cars or custom builds that may require multiple fuel options. The dual fuel inlets are located on the bottom of the carburetor, offering easy access and minimal modification required to install them.
The barrel of the BR-67257 Carburetor is meticulously crafted to ensure precise fuel metering and delivery. It is manufactured using high-quality materials and advanced CNC machining techniques to ensure a perfect fit and finish. The barrel includes an adjustable idle mixture screw, which allows for fine-tuning the engine's idle mixture for optimal performance and drivability.
Additionally, the BR-67257 Carburetor comes equipped with a high-quality float bowl gasket, ensuring a leak-free installation and consistent fuel delivery. The carburetor also includes a primary and secondary needle kit for easy tuning and adjustment to various engine conditions.
In summary, the BR-67257 Carburetor is a powerful and versatile performance carburetor, well-suited for larger engines and those requiring multiple fuel sources. With its large 750 CFM airflow capability, mechanical secondary system, and dual fuel inlets, this carburetor offers improved engine response, stability, and power.
The BR-67257 carburetor is a 4150 mechanical secondary model with a 750 CFM barrel and dual fuel inlets. Here are some pros and cons that may help you make an informed decision about purchasing this carburetor:
Pros:1. Mechanical Secondary Design: This design provides better fuel atomization, which leads to more efficient combustion and improved engine performance.
2. Dual Fuel Inlets: Allows the use of both gasoline and ethanol or methanol as fuel, making it a versatile choice for different applications.
3. Large CFM (Cubic Feet per Minute) Rating: The 750 CFM rating ensures adequate airflow for high-performance engines, leading to improved throttle response and power output.
4. Adjustable Features: The carburetor comes with various adjustable features, such as idle mixture and main jet, allowing fine-tuning for optimal engine performance.
5. Durable Construction: The carburetor body is made from high-quality materials, ensuring long-lasting performance even in harsh conditions.
Cons:1. Complexity: The mechanical secondary design and adjustable features can make the installation and tuning process more complicated compared to simpler carburetors.
2. Cost: The BR-67257 carburetor is generally more expensive than other standard carburetors due to its advanced features and design.
3. Requires Expertise: Proper tuning and installation of this carburetor require a good understanding of carburetor theory and engine performance.
4. Potential for Leaks: The multiple fuel inlets and adjustable components increase the potential for leaks, which may require regular maintenance and sealing.
Conclusion:The BR-67257 carburetor is a high-performance, versatile choice for those seeking improved engine output and efficiency. Its mechanical secondary design, adjustable features, and dual fuel inlets offer significant benefits, but the complexity, cost, and potential for leaks may be drawbacks for some. Ultimately, the decision to purchase this carburetor depends on your specific application requirements, expertise, and budget. If you are comfortable with the complexities and willing to invest in a high-performance carburetor, the BR-67257 may be an excellent choice. However, if you are looking for a simpler and more cost-effective option, other standard carburetors may be more suitable for your needs.
Product View Specifications. Booster: Down Leg. Primary Main Jet: 72. Material: Aluminum.
Secondaries: Mechanical. 750 cfm , 4150 Mechanical Secondary Electric Choke. Choke: Electric. Please compare carefully with Photos or OE number before purchasing the part.
Fuel: Gasoline. Finish: Shiny. Fuel Inlet: Dual. Four Corner Idle Adjustment ,electric choke dual inlet fuel bowls with sight glass windows in both.
Fuel System: Carburetors. With these parts you can replace your defective simply plug and play. Idle Air Bleed Size: 70;70. High Speed Air Bleed: 31/31.
Supercharged Application: No.