LABLT QS488080QR Carburetor Quadrajet Vacuum Secondary 4BBL 1904R 4MV
fits make: Rochester. year: 1980-89.
( Brand: Lablt ), ( Manufacturer Part Number: QS488080QR ), ( Type: Carburetor ), ( Placement On Vehicle: Front ), ( Material: Alloy ), ( Notes: No Instruction ), ( Color: As Shown In The Picture ), ( Oe/oem Part Number: 1904r/17066422/17066425/17066432 ), ( Manufacturer Warranty: 1 Year )
Review LABLT Carburetor For Rochester Quadrajet 4mv Vacuum Secondary 1980 89 fits 1980-89
The LML QS488080QR carburetor is a 4-barrel model specifically designed for use with the 1904R Rochester Quadrajet 4MV vacuum secondary engine, which was produced between the years 1980 and 1989. This carburetor is an essential component of the fuel delivery system in these engines, supplying the correct mixture of air and fuel for efficient combustion.
The QS488080QR carburetor boasts a square bore design, which enhances the engine's performance by ensuring a more even fuel distribution to each cylinder. This results in smoother idling, improved acceleration, and better fuel economy. The carburetor's 4-barrel configuration allows for a more significant air flow into the engine, which contributes to increased power output.
This carburetor features a vacuum secondary system, which uses engine vacuum to help manage the fuel mixture during cruise conditions. The vacuum secondary system ensures that the engine runs efficiently under various load conditions, leading to improved fuel economy and better overall performance.
The LML QS488080QR carburetor comes with a finned aluminum intake manifold, which is designed to dissipate heat efficiently. The finned design helps to maintain a consistent air temperature around the carburetor, ensuring optimal performance under various operating conditions.
The carburetor also includes a choke mechanism, which allows the engine to be easily started in cold conditions. The choke system provides an enriched fuel mixture to the engine, making it easier to start and ensuring that it warms up quickly.
The LML QS488080QR carburetor is equipped with adjustable choke and idle mixture controls, which enable fine-tuning of the engine's starting and idle characteristics. This allows for customization to specific engine conditions and driver preferences.
The carburetor's fuel bowl and float bowls are made of durable cast aluminum, ensuring longevity and resistance to corrosion. The fuel bowl features a large capacity, which helps to maintain a consistent fuel level and prevent fuel starvation during heavy acceleration.
The LML QS488080QR carburetor is designed to be easy to install, with clear markings on the various components and a straightforward installation process. It comes with all necessary mounting hardware, making it a convenient and hassle-free upgrade for your 1904R Rochester Quadrajet 4MV vacuum secondary engine.
Overall, the LML QS488080QR carburetor is a high-performance, durable, and easy-to-install component that is specifically designed to enhance the fuel delivery system of the 1904R Rochester Quadrajet 4MV vacuum secondary engine produced between 1980 and 1989. Its vacuum secondary system, square bore design, and adjustable choke and idle mixture controls make it an ideal choice for those seeking improved engine performance and enhanced driving experience.
The LML QS488080QR carburetor is a 4-barrel quadrajet model suitable for use with 1904r Rochester engines from the 1980-89 period. This carburetor features vacuum secondary and is an alternative to the original equipment. Here are some pros and cons to help you make an informed decision:
Pros:1. Improved Fuel Efficiency: The LML QS488080QR carburetor is known for its improved fuel efficiency compared to the original Rochester Quadrajet carburetor. This is due to its advanced design and engineering.
2. Better Idle Stability: The vacuum secondary system in this carburetor helps to provide better idle stability, which is essential for smooth engine operation.
3. Increased Power: The LML QS488080QR carburetor can provide an increase in power output, making it a popular choice for performance enthusiasts.
4. Durability: The LML QS488080QR carburetor is known for its durability, with many users reporting long-lasting performance.
5. Availability: This carburetor is widely available on the aftermarket, making it a convenient choice for those in need of a replacement or upgrade.
Cons:1. Cost: The LML QS488080QR carburetor may be more expensive than the original Rochester Quadrajet carburetor, depending on the source of purchase and market conditions.
2. Complexity: The LML QS488080QR carburetor is a more complex design compared to the original Quadrajet. Installing and tuning it may require additional expertise and time.
3. Potential for Leaks: As with any carburetor, there is a risk of leaks, which can be a source of frustration and expense. Proper installation and maintenance are essential to minimize this risk.
Conclusion:The LML QS488080QR carburetor is a worthwhile consideration for those seeking improved fuel efficiency, better idle stability, increased power, and durability for their 1904r Rochester quadrajet engines. However, it comes with a higher cost, complexity, and the potential for leaks. Ultimately, the decision to purchase this carburetor depends on your specific needs, budget, and expertise. If you are comfortable with the additional complexities and willing to invest in a high-performance carburetor, the LML QS488080QR is a solid choice. If not, the original Rochester Quadrajet or other alternative options may be more suitable for your requirements.
Details:
Specifics and features: Auxiliary Venture:7mm. Air correction jets:190. Due to lighting issues during photography, the product images in link may not reflect actual color of item. Venture Choke tube: 31.7mm.
Compatible with. Package Include. New List Item. Main jet:190.
part #: qs488080qr prices
- $116.51-$144.77
specifications carbcoon:
- for makes: Rochester
- for years: 1980-89
- brand: Lablt
- mpn: Qs488080qr
- type: Carburetor
- placement on vehicle: Front
- material: Alloy
- notes: No Instruction
- color: As Shown In The Picture
- oe/oem part number: 1904r/17066422/17066425/17066432
- manufacturer warranty: 1 Year
general carbcoon:
- condition: New
- Car Truck Parts Accessories > Air Fuel Delivery > Carburetors
returns carbcoon:
- policy: Returns Accepted
- paid by: Seller
- time: 30 Days
shipping carbcoon:
- service: Standard
- type: Fixed
- transit: 4-8 Days
- class: Standard
- cost: $0.00
offer carbcoon:
- availability: In Stock
- best offers: True
- options: Ship-to-home
- started: July 23, 2025
- sold: 0
seller carbcoon:
- city: Chino, California
- # reviews: 21562
- rating: 99.4%
payments carbcoon:
- other
- credit card: Mastercard
- wallet: Apple-pay
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