1. USED Car/Truck Carburetors Items
  2. sku: 2113130419347532
  3. ROCHESTER 4988S

ROCHESTER 4988S Quadrajet Engine Modified/read

fits model: 400. make: Pontiac, Rochester. year: 1969-70.

4988s Rochester Quadrajet 1969-70 Pontiac 400 Engine Modified/read Description

( Brand: Rochester ), ( Manufacturer Part Number: 4988S ), ( Items Included: Gasket ), ( Material: Aluminum ), ( Vintage Part: Yes ), ( Placement On Vehicle: Front ), ( Choke Type: Mechanical ), ( Type: Quadrajet ), ( Mounting Flange Type: Spread Bore ), ( Manufacturer Warranty: No Warranty ), ( Country/region Of Manufacture: United States ), ( Universal Fitment: No )

Review ROCHESTER Quadrajet Pontiac Engine Modified/read fits 400 1969-70

The Rochester 4988S Quadrajet carburetor is a classic automotive component that has graced the 1969-1970 Pontiac 400 engine with its prowess and reliability. This particular model is a testament to the golden era of muscle cars and the intricate engineering that went into making them powerful and iconic.

The Rochester 4988S Quadrajet carburetor is a four-barrel carburetor, designed to deliver precise fuel-air mixtures to the engine for optimal performance. It features a quadrajet design, which means it has four barrels, each with its own throttle plate, to provide a smooth and powerful airflow into the engine. This design allows for a more efficient fuel-air mixture, resulting in improved throttle response, better fuel economy, and increased power output.

The 4988S Quadrajet carburetor is specifically designed for use with the 1969-1970 Pontiac 400 engine, which was a popular choice for muscle cars of the time. It features a unique bowl design that is specifically tuned for the 400 engine, ensuring that the engine receives the correct amount of fuel-air mixture for optimal performance.

The carburetor is made from high-quality materials, including a cast aluminum body and brass components. This ensures that it is durable and reliable, able to withstand the harsh conditions of the engine compartment and the rigors of regular use. The carburetor also features a vacuum secondaries system, which allows for increased airflow at higher RPMs, providing an extra boost of power when needed.

The Rochester 4988S Quadrajet carburetor is easy to install, with clear instructions and easy-to-follow mounting hardware included in the package. It also comes with adjustable jets and a vacuum secondaries system, allowing for easy tuning to match the specific needs of the engine and driving conditions.

In summary, the Rochester 4988S Quadrajet carburetor is a high-quality, reliable, and powerful carburetor that is specifically designed for the 1969-1970 Pontiac 400 engine. Its unique quadrajet design provides smooth and powerful airflow, while its durable construction ensures that it can withstand the harsh conditions of the engine compartment. With easy installation and adjustability, this carburetor is a great choice for any muscle car enthusiast looking to upgrade their engine's performance.

Pros of Buying a Rochester 4988s Quadrajet for a 1969-70 Pontiac 400 Engine:

1. Improved Performance: The Quadrajet carburetor is known for its smooth and efficient fuel delivery, which can improve engine performance and acceleration.

2. Wide Availability: The Quadrajet is a popular carburetor, so replacement parts and information are widely available.

3. Easy Installation: Replacing a carburetor is a relatively straightforward task, making it an accessible upgrade for DIY enthusiasts.

Cons of Buying a Rochester 4988s Quadrajet for a 1969-70 Pontiac 400 Engine:

1. Potential Compatibility Issues: Although the Quadrajet is a common carburetor, it may not be a direct fit for all 1969-70 Pontiac 400 engines. It's essential to ensure compatibility before purchasing.

2. Cost: While the Quadrajet is not the most expensive carburetor, it can still be a significant investment, especially when considering the cost of any necessary modifications or parts.

3. Potential Tuning Requirements: The Quadrajet may require tuning to work optimally with a 1969-70 Pontiac 400 engine, which can be a time-consuming process.

Ending Conclusion:

The Rochester 4988s Quadrajet can be a worthwhile upgrade for a 1969-70 Pontiac 400 engine, providing improved performance and easy availability of parts. However, potential compatibility issues, cost, and tuning requirements should be considered before making a purchase. If you're comfortable with the potential challenges and are looking to enhance your car's engine performance, the Quadrajet could be a great choice. If not, you may want to explore other options or consider professional installation to minimize potential issues.

Details:

Any questions please reach out. Very smooth throttle pivoting. Rochester Quadrajet Replacement Carter 1969 70 4988S Pontiac 400/455 engine. Plenty of room for one inch foam sponge full surround protection.

New stainless steel screws and Lactate on assembly. Base plate line-bored and primary throttle shaft bushings replaced with Elite bronze 5/8 oversized this eliminates any vacuum leaks/erratic idle due to wear. Double wall cardboard. Factory adjustable upper Main air bleed with factory crimp cover not installed to allow user make a final adjustment.

Condition is Remanufactured. Stock original factory finish very nice. Painting the exterior available no charge/send message. Pull off set perfectly includes air cleaner gasket and No base plate.

Rebuilt with high quality kit including float.135 needle/seat, ethanol resistant blue seal spring HI-PO accelerator pump thick gaskets, new fuel filter and fitting tested/polished secondary/choke dash pot. Shipped by USPS PRIORITY MAIL in their large box. Accelerator shooter holes slightly and verified to spray two fast solid streams. Primary and secondary fuel well plugs tested for leaks sealed with epoxy.

Factory divorced choke set-up. Accelerator pump duration shot linkage added to allow easy lean or rich setting. Primary jet 71. cfm limiter tab carefully removed and replaced with a stainless steel adjustable set screw it mild to wild just by turning.

part #: 4988s price

  • $899.00

specifications carbcoon:

  • for models: 400
  • for makes: Pontiac, Rochester
  • for years: 1969-70
  • brand: Rochester
  • mpn: 4988s
  • items included: Gasket
  • material: Aluminum
  • vintage part: Yes
  • placement on vehicle: Front
  • choke type: Mechanical
  • type: Quadrajet
  • mounting flange type: Spread Bore
  • manufacturer warranty: No Warranty
  • country/region of manufacture: United States
  • universal fitment: No

offer carbcoon:

  • availability: In Stock
  • quantity: 1
  • options: Ship-to-home
  • started: September 14, 2024
  • best offers: True
  • sold: 0

seller carbcoon:

  • # reviews: 610
  • city: Rosedale, New York
  • rating: 100.0%

general carbcoon:

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

payments carbcoon:

  • wallet: Paypal
  • credit card: Discover
  • other

returns carbcoon:

  • policy: Returns Accepted
  • time: 30 Days
  • paid by: Buyer

shipping carbcoon:

  • transit: 5-10 Days
  • service: USPS Priority Mail Large Flat Rate Box
  • cost: $25.00
  • type: Fixed
  • carrier: USPS
  • class: Expedited
for models: 400, for makes: pontiac, rochester, for years: 1969-70, items included: gasket, vintage part: yes, placement on vehicle: front, choke type: mechanical, type: quadrajet, mounting flange type: spread bore, manufacturer warranty: no warranty, country/region of manufacture: united states, universal fitment: no,
category: auto parts > car truck parts accessories > air fuel delivery > carburetors, material: aluminum, sku: 2113130419347532,

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