fits model: 350, 400, 428, 455, Firebird. make: Pontiac. year: 1967–1970.

( Brand: Oe Quality ), ( Manufacturer Part Number: 7028260 ), ( Type: Carburetor ), ( Features: Quadrajet ), ( Choke Type: Mechanical ), ( Material: Alloy, Aluminum ), ( Oe/oem Part Number: 7028260, 7028261, 7029260, 7029261, 17054906, 7028262, 7028263, 7028264, 7028265, 7028266, 7028267, 7028268, 7028269, 7028271, 7028274, 7028275, 7028276, 7028277, 17054905, 7027230, 7027231, 7027233, 7027234, 7027235, 7028236, 7028237, 7028238, 7028239, 7029230, 7029231, 7029232, 7029233, 17054812, 17054813 ), ( Universal Fitment: Yes ), ( Manufacturer Warranty: 2 Years ), ( Fitment Type: Direct Replacement )
The Holley 7028260 Quadrajet Carburetor is a high-performance, four-barrel carburetor specifically designed for Pontiac engines with a displacement of 350, 400, 428, or 455 cubic inches, and produced between the years 1967 and 1970, including the Firebird model. This carburetor elevates the performance of your classic muscle car by delivering improved fuel delivery and airflow.
The 7028260 Quadrajet Carburetor boasts several advanced features. It employs a quad-barrel design, which allows for four separate throttle bore throttle bodies to provide an enhanced air intake. Each barrel is meticulously calibrated to optimize air/fuel mixture delivery for different engine RPM and load conditions, ensuring your engine runs efficiently and consistently across the entire powerband.
Retro-fit port design is another notable feature, ensuring a seamless integration with vintage Pontiac fuel systems. Additionally, the Quadrajet utilizes a unique accelerator pump design, providing quick response to throttle input---perfect for those early power applications.
Under the outer casing, the carburetor is home to a durable, corrosion-resistant aluminum body. Holley adds additional protection against harsh fuel and operating conditions with Viton seals to keep the internals air- and fuel-tight.
The 7028260 Quadrajet Carburetor includes a 600 CFM 14-inch primary and 1100 CFM secondary venturi system, as well as factory machined 13/16-inch metered rods and pump shaft. Setting up the carburetor is simplified with the presence of a ratio bowl, suitable for efficient tuning and adjustments.
This Quadrajet Carburetor comes with a multiple choke system for smooth cold starts and deliver a robust power output in every driving condition. It's backed by Holley's reputation for excellence, so upgrading your Pontiac engine with this Holley carburetor is an investment in both performance and long-term reliability.
The Quadrajet carburetor, specifically model 7028260, can be a suitable option for Pontiac Firebird engines with 350, 400, 428, and 455 cubic inches from the 1967 to 1970 model years. To help you make an informed decision on whether to purchase this carburetor, we have prepared a list of pros and cons.
Pros:1. Fuel Efficiency: Quadrajet carburetors are famous for their excellent fuel efficiency. This can be beneficial for those seeking to save costs on fuel or for individuals who prioritize environmental friendliness.
2. Smooth Throttle Response: The Quadrajet offers a smoother throttle response compared to traditional two-barrel carburetors. This results in improved driving experience and enhanced engine performance.
3. Reliability: These carburetors have a reputation for being robust and long-lasting. They can handle various driving conditions and are less prone to vacuum leaks and other common carburetor issues.
4. Fitment: Wide applicability to various Pontiac engine sizes makes the Quadrajet 7028260 a versatile choice for Firebird owners.
5. Access to Performance Upgrades: This carburetor can be easily modified to extract more horsepower from the engine, making it an attractive choice for enthusiasts looking for improved performance.
Cons:1. Complex Design: Quadrajet carburetors feature a more intricate design than conventional carburetors, which may lead to more challenging installation and maintenance processes.
2. Higher Cost: The Quadrajet 7028260 tends to be pricier than single or dual-barrel carburetors. However, the performance benefits it provides often justify the increased cost for enthusiasts and power-hungry drivers looking for improved drivability.
3. Adjustments:requires more fine-tuning for optimal performance, which can be a time-consuming process for the average DIYer or someone new to carburetor maintenance. A professional mechanic might be necessary for the initial setup, though existing performance upgrades may speed up the tuning process.
Conclusion:The Quadrajet carburetor, specifically model 7028260, displays numerous advantages for Pontiac Firebird engines with 350, 400, 428, and 455 cubic inches from the 1967 to 1970 model years. These strengths include exceptional fuel efficiency, smooth throttle response, reliability, fitment versatility, and the potential for performance upgrades. Simultaneously, it also carries cons such as a complex design, higher cost, and the need for professional assistance during installation and tuning. Ultimately, if the advantages align with your needs or preferences, the Quadrajet 7028260 can undoubtedly enhance the performance and driving experience of your Pontiac Firebird. However, it's essential to evaluate your budget, experience level, and maintenance capabilities before committing to this purchase. Therefore, while it may not be the best choice for everyone, the Quadrajet carburetor can be a potentially rewarding investment for enthusiasts seeking improved power and drivability.
For Cadillac. Please compare carefully with Photos or OE number before purchasing the part. Will F it allowing M odels. Compatible with 250 6cyl overhead cam engine.
Other Accessories. With these parts you can replace your defective simply plug and play. For Pontiac Firebird 6 Cylinder OHC
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