fits model: 305, Cutlass. make: Olds, Rochester. year: 1977.

( Brand: Rochester ), ( Manufacturer Part Number: 17058123 ), ( Type: Carburetor )
The Rochester 17058123 Jet Carburetor is a high-performance replacement carburetor engineered for applications on 1977 Oldsmobile Cutlass vehicles equipped with a 305 cubic inch V8 engine. This carburetor is designed to deliver optimal fuel efficiency and power output for classic car enthusiasts, restorers, and hot rod builders.
Featuring a four-barrel design, this carburetor provides excellent air/fuel mixture control for smooth and stable engine operation. The jet carburetor body is made from high-quality aluminum, ensuring both durability and lightweight construction. The bore size measures 2.02 inches, while the primary and secondary throttle bores are 0.600 inches and 0.700 inches, respectively. This configuration allows for efficient fuel delivery and responsive throttle performance.
The Rochester 17058123 features pintle type fuel passage, and it comes with six 17/16 engine length jets, six power jets, and two idle mixtures jets to assure proper fuel conversion rates at varying engine speeds. Additionally, it comes complete with a new gasket kit for hassle-free installation.
To cater to the unique demands of classic engines, this carburetor incorporates bronze throttle shaft, a brass float, and a brass needle for added longevity. For ease of tuning, it includes adjustable emulsion tubes, bowl drain plugs, and rebuildable mechanical secondary bearings. This jet carburetor is also suitable for use with formaldehyde free gasoline, ensuring compatibility with various fuel types.
By installing the Rochester 17058123 Jet Carburetor in your 1977 Oldsmobile Cutlass 305, you can expect an improvement in fuel efficiency, power output, and overall engine performance. Perfect for weekend cruisers, daily drivers, and race applications, this carburetor provides the power and reliability that classic car enthusiasts desire, while still maintaining the stock appearance of the vehicle.
Buying a Rochester 1977 Olds Cutlass 17058123 jet carburetor for a 305 engine can be a viable solution forOlds Cutlass owners seeking to improve their vehicle's performance. However, like any automotive upgrade, it comes with advantages and disadvantages.
Advantages:1. Enhanced Performance: This jet carburetor is known for its ability to deliver smoother and more consistent fuel flow to the engine, thereby improving overall performance and enhancing the driving experience.
2. Improved Gas Mileage: With optimal fuel delivery, the jet carburetor can help increase fuel efficiency, resulting in better gas mileage.
3. Durability: The Rochester 17058123 jet carburetor is a well-built, reliable component designed to provide long-term service with proper maintenance.
Disadvantages:1. Complexity: Jet carburetors can be more complex in design compared to other carburetor types, which may lead to more extensive repair and troubleshooting.
2. Customization: Remanufactured jet carburetors generally come calibrated for a specific engine, making it more difficult to customize the setup for individual preferences or unique engine needs.
3. Availability of Parts: Worn components or specialized parts may be more difficult to track down or replace, potentially causing delays and additional costs.
Conclusion:By purchasing a Rochester 17058123 jet carburetor for a 1977 Olds Cutlass with a 305 engine, you can experience better performance, improved gas mileage, and the reliability of a well-built component. However, potential drawbacks such as complexity, limited customization, and availability of parts should be considered before making the investment. It's important to weigh the pros and cons carefully and consider the resources available for troubleshooting and maintenance.
Recommendation:If you're prepared for the potential complexities and costs associated with jet carburetors, and you're looking for a solid improvement in your Olds Cutlass's performance, then the Rochester 17058123 may be an excellent choice for you. Otherwise, you might want to consider other carburetor options that may be easier to maintain or more cost-effective. As always, thorough research, consultation with professionals, and a clear understanding of your preferences and resources are crucial before making a decision.
Rochester 2 Jet Bbl Carb 1977 77 Olds Cutlass w/ 305 A/C Manual 17058123 AS IS.