ROCHESTER 17058540 Turbocharged 4BBL. Cal. 231

( Brand: Rochester ), ( Type: Carburetor ), ( Manufacturer Warranty: 1 Month ), ( Fitment Type: Direct Replacement ), ( Manufacturer Part Number: 17058540 ), ( Mounting Hardware Included: No ), ( Material: Steel ), ( Vintage Part: Yes ), ( Country Of Origin: United States )

Review ROCHESTER 4bbl. Buick Cal. 231 Inch Turbocharged fits 1978

Introducing the Rochester 17058540 4-barrel carburetor, a high-performance solution for your 1978 Buick 231 turbocharged engine. This carburetor, manufactured by Rochester Products, is specifically designed to provide optimal fuel delivery and air-fuel mixture for turbocharged applications.

The 17058540 model is a 4-barrel carburetor, meaning it utilizes four separate barrels to distribute fuel to each cylinder for more efficient combustion. Each barrel features an accurate metering design that ensures precise fuel delivery at all engine speeds and load conditions.

One of the most notable aspects of this carburetor is its ability to accommodate turbocharged applications. It comes equipped with a pressure regulator, which maintains a consistent fuel pressure level, allowing the engine to perform at its best under boost conditions. This is crucial for maintaining proper air-fuel mixtures and ensuring consistent power delivery.

Additionally, the 17058540 carburetor is designed with a hot-bulk air system. This system draws cooler ambient air from the base of the carburetor and heats it up to the temperature of the engine air entering the throttle bodies. This helps prevent fuel vaporization issues that can occur when cold air is introduced to the fuel mixture, resulting in improved drivability and performance.

The carburetor also features a vacuum secondary system, which utilizes a small vacuum diaphragm in each secondary throttle plate. This system allows the secondary circuits to open and enrich the fuel mixture during light throttle applications, ensuring smooth idle and improved acceleration.

The 17058540 carburetor is constructed from high-quality materials and features a durable finish. It is designed to withstand the rigors of high-performance applications and is backed by the reputation of Rochester Products for superior engineering and manufacturing.

In summary, the Rochester 17058540 4-barrel carburetor is an ideal choice for your 1978 Buick 231 turbocharged engine. With its precise fuel delivery, turbocharger compatibility, and additional performance features, this carburetor will help unlock the full potential of your engine and provide you with improved power, torque, and drivability.

Buying a 1978 Buick Regal with the Rochester 17058540 4-barrel 231 cubic inch turbocharged engine can be an intriguing prospect for car enthusiasts. This engine is known for providing good power and torque, making the vehicle more responsive and fun to drive. However, there are some pros and cons to consider before making a purchase.

1. Power: The turbocharged engine delivers more power compared to the standard non-turbo engines of the same era. This results in better acceleration and a more enjoyable driving experience.

2. Torque: Turbocharged engines produce torque at lower RPMs, which can make the vehicle feel more responsive and quicker off the line.

3. Collectability: Turbocharged cars from the late 70s and early 80s are becoming increasingly popular among collectors. Buying a 1978 Buick Regal with a turbocharged engine could be a good investment for those interested in classic cars.

4. Unique: A turbocharged Buick Regal stands out from the crowd, making it a unique and interesting addition to any car collection.

1. Maintenance: Turbocharged engines require more maintenance than standard engines. Regular checks of the turbocharger, coolant, and oil levels are necessary to keep the engine running smoothly.

2. Fuel efficiency: Turbocharged engines can be less fuel-efficient than standard engines due to the added complexity of the turbocharger. This could lead to higher fuel costs over time.

3. Reliability: Turbocharged engines can be less reliable than standard engines, especially if they are not properly maintained. This could result in unexpected repairs and downtime.

4. Cost: Buying a 1978 Buick Regal with a turbocharged engine may be more expensive than a similar non-turbocharged model due to its rarity and added power.

In conclusion, a 1978 Buick Regal with a Rochester 17058540 4-barrel 231 cubic inch turbocharged engine offers a unique and fun driving experience. However, it also comes with additional maintenance requirements, potential reliability issues, and higher costs compared to standard models. Ultimately, the decision to buy one depends on your personal preferences, budget, and willingness to invest in the necessary maintenance. If you are a car enthusiast looking for a collectible and powerful vehicle, a turbocharged Buick Regal could be a worthwhile investment. However, if you are looking for a reliable and cost-effective daily driver, a standard model may be a better choice.

part # 17058540 prices

• $137.99-$395.49

specifications carbcaddie:

• for makes: Buick, Rochester
• for years: 1978
• brand: Rochester
• type: Carburetor
• manufacturer warranty: 1 Month
• fitment type: Direct Replacement
• manufacturer part number: 17058540
• mounting hardware included: No
• material: Steel
• vintage part: Yes
• country of origin: United States

offer carbcaddie:

• sold: 0
• options: Ship-to-home
• quantity: 1
• availability: In Stock
• started: April 15, 2026

payments carbcaddie:

• other
• wallet: Paypal
• credit card: Mastercard

general carbcaddie:

• Car Truck Parts Accessories > Air Fuel Delivery > Carburetor Parts
• condition: Remanufactured

shipping carbcaddie:

• cost: $25.70
• carrier: USPS
• service: USPS Priority Mail Large Flat Rate Box
• class: Expedited
• transit: 3-9 Days
• type: Calculated

returns carbcaddie:

• paid by: Buyer
• time: 14 Days
• policy: Returns Accepted

seller carbcaddie:

• # reviews: 3087
• rating: 99.5%

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