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  3. ROCHESTER 7043158

ROCHESTER 7043158 Omega 2BBL. All/t

fits model: 350. make: Oldsmobile, Rochester. year: 1973.

7043158 Rochester 2bbl. 1973 Oldsmobile Omega 350 Inch All/t

( Brand: Rochester ), ( Fitment Type: Direct Replacement ), ( Manufacturer Part Number: 7043158 ), ( Mounting Hardware Included: No ), ( Material: Steel ), ( Vintage Part: Yes ), ( Type: Carburetor ), ( Country/region Of Manufacture: United States )

Review ROCHESTER 2bbl. Oldsmobile Omega Inch All/t fits 350 1973

Introducing the Rochester 7043158 2-barrel carburetor, an ideal solution for restoring or upgrading the fuel system of your 1973 Oldsmobile Omega 350 automatic transmission vehicle. This carburetor is a 2-barrel model specifically designed for Oldsmobile applications, ensuring a perfect fit and optimal performance.

The Rochester 7043158 carburetor boasts a number of impressive features. It comes with a mechanical secondaries system, which provides an efficient fuel delivery for both idle and high-performance driving conditions. The secondary throttle valves are designed to open at a specifically calibrated RPM, allowing for a smooth and powerful engine response.

The carburetor's bowl capacity is 21.3 US gallons (81 liters), providing sufficient fuel supply for larger engines. The bowl has a removable sight plug, allowing for easy fuel level checking and maintenance. The base plate is secured with six mounting bolts, ensuring a sturdy and reliable installation.

The Rochester 7043158 carburetor also features a built-in electric choke, which simplifies the starting process in cold weather conditions. The choke plate has a vacuum secondary circuit that automatically disengages when the engine reaches operating temperature.

The carburetor comes with four 1.5-inch (38.1 mm) primary and two 2.25-inch (57.15 mm) secondary venturi throats. The primary jets are adjustable from 0.028 to 0.041 inches (0.71 to 1.04 mm), while the secondary jets are adjustable from 0.022 to 0.036 inches (0.56 to 0.91 mm). These adjustments allow for fine-tuning the carburetor to your engine's specific needs.

The Rochester 7043158 carburetor is designed with a durable cast aluminum construction, ensuring longevity and resistance to corrosion. The carburetor also features a built-in fuel pressure regulator, eliminating the need for an external regulator.

In summary, the Rochester 7043158 2-barrel carburetor is an excellent choice for those looking to restore or enhance the fuel system of their 1973 Oldsmobile Omega 350 automatic transmission vehicle. With its efficient mechanical secondaries system, adjustable throats, and durable cast aluminum construction, this carburetor offers reliable and powerful performance.

Pros and Cons of Buying a 1973 Oldsmobile Omega 350 with 2BBL Engine (Rochester 7043158)

1. Pros:

- Vintage Appeal: The Oldsmobile Omega is a classic car, and owning one is a way to connect with automotive history. Its distinctive design and unique features can be a source of pride for car enthusiasts.

- Relative Affordability: Compared to some other classic cars, a 1973 Oldsmobile Omega with a 2BBL engine may be more affordable, making it an attractive option for those with a budget.

- Straightforward Engine: The Rochester 2BBL carburetor on this engine is known for its simplicity. It may require less maintenance and tuning compared to more complex fuel injection systems.

- Availability of Parts: Oldsmobile is a well-established brand, and parts for the Omega are relatively easy to find. This can make repairs and maintenance more manageable.

2. Cons:

- Fuel Efficiency: Older cars, especially those with larger engines, typically have lower fuel efficiency. This can lead to higher fuel costs over time.

- Environmental Impact: Older cars, like the 1973 Oldsmobile Omega, do not meet modern emissions standards. This can impact the driving experience in areas with strict emissions regulations.

- Potential for Repairs: Older cars, especially those with high mileage, require more frequent repairs. The cost and time involved in these repairs can be a significant drawback.

- Insurance: Insuring a classic car like the Oldsmobile Omega may be more expensive compared to insuring a modern vehicle. This is due to the higher value and potential for costlier repairs.

Conclusion:

The 1973 Oldsmobile Omega 350 with a 2BBL engine (Rochester 7043158) offers a unique blend of vintage appeal, relative affordability, and straightforward engine design. However, it comes with drawbacks such as lower fuel efficiency, higher environmental impact, potential for repairs, and higher insurance costs. Ultimately, the decision to buy this car depends on your personal preferences, budget, and willingness to undertake the responsibilities of owning a classic vehicle.

Recommendation:

If you are a car enthusiast with a budget and a desire for a classic vehicle, the 1973 Oldsmobile Omega 350 with a 2BBL engine could be an excellent choice. However, be prepared for the potential costs and time involved in repairs and maintenance. If you are looking for a more practical and efficient daily driver, this car may not be the best fit for you. Consider your personal needs and circumstances before making the decision to buy.

part # 7043158 prices

  • $50.00-$169.00

specifications carbcaddie:

  • for models: 350
  • for makes: Oldsmobile, Rochester
  • for years: 1973
  • brand: Rochester
  • fitment type: Direct Replacement
  • manufacturer part number: 7043158
  • mounting hardware included: No
  • material: Steel
  • vintage part: Yes
  • type: Carburetor
  • country/region of manufacture: United States

returns carbcaddie:

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

offer carbcaddie:

  • started: June 9, 2025
  • options: Ship-to-home
  • availability: In Stock
  • sold: 0
  • quantity: 1

payments carbcaddie:

  • credit card: Diners-club
  • other
  • wallet: Google-pay

seller carbcaddie:

  • rating: 99.0%
  • # reviews: 2750

shipping carbcaddie:

  • carrier: UPS
  • cost: $15.35
  • service: UPS Ground
  • class: Standard
  • type: Calculated
  • transit: 3-7 Days

general carbcaddie:

  • Car Truck Parts Accessories > Air Fuel Delivery > Carburetor Parts
  • condition: Remanufactured
for models: 350, for makes: oldsmobile, rochester, for years: 1973, fitment type: direct replacement, mounting hardware included: no, vintage part: yes, type: carburetor, country/region of manufacture: united states,
category: auto parts > car truck parts accessories > air fuel delivery > carburetor parts, material: steel, sku: 4734768642413781,

Rochester 7043158 Is Similar To:

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5 offers $50.00–$169.00 USD
  • Offer #1: $169.00 price + $27.76 delivery = $196.76* total. With a 1-month manufacturer warranty, this Rochester carburetor is a reliable choice for those looking to restore or repair their classic Oldsmobile vehicle. The Rochester carburetor, part number , is a vintage part designed specifically for 1973 Oldsmobile 350 engines with automatic transmissions.+$27.76 shipping
  • Offer #2: $50.00 price + free delivery = $50.00* total. NOS OEM 1965-68 Oldsmobile 400, 425, 455 V8 Rochester Carburetor Stat Cover & Coil Delco 7031483.FREE SHIPPING
  • Offer #3: $125.00 price + $51.03 delivery = $176.03* total. Plating is much better than the average core carburetor. Rochester 7002900 2bl carb for 51-53 Olds.+$51.03 shipping
  • Offer #4: $149.99 price + $24.35 delivery = $174.34* total. Shipped with USPS Ground Advantage. NOS Reman Rochester 17056114 1975-76 Chevy Truck GMC-75 Checker 262 305 350.+$24.35 shipping
  • Offer #5: $149.00 price + $27.76 delivery = $176.76* total. It is not a performance part and is not universally compatible, making it a reliable option for restoring or repairing classic vehicles. The product is a vintage Rochester carburetor with the manufacturer part number 17056148, designed for 1975-76 Buick, Oldsmobile, and Pontiac 6 cylinder 231 engines.+$27.76 shipping