1. USED Car/Truck Carburetors Items
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  3. LABWORK LP662688KS

LABWORK LP662688KS Barrel Carburetor 2GC 350/5.7 400/6.6L

fits model: 305, 350, 400. make: Rochester, Chevrolet. year: 1970–1980.

Lp662688ks Labwork 2 Barrel Carburetor Rochester For Chevrolet 2gc 305 350/5.7 400/6.6l 1970-1980

( Brand: Labwork ), ( Manufacturer Part Number: LP662688KS ), ( Type: Carburetor ), ( Package Included: Car Carburetor, Mounting Gasket Seal ), ( Fitment Type: Direct Replacement ), ( Choke Type: Electric ), ( Dot Sae Approved: Yes ), ( Non-domestic Product: No ), ( Material: Zinc Alloy ), ( Manufacturer Warranty: 1 Year )

Review LABWORK Barrel Carburetor Rochester For Chevrolet 2gc 350/5.7 400/6.6l fits 305 350 400 1970–1980

Introducing the LP662688KS Barrel Carburetor from Holley Performance Products, specifically designed for Chevrolet engines with the 2GC platform, including 305, 350, 5.7, and 400/6.6L V8 engines from the years 1970 to 1980. This carburetor is a direct replacement for the original Rochester Quadrajet, providing improved performance and reliability.

The LP662688KS is a 4-barrel carburetor, featuring Holley's advanced design and technology. The barrels are constructed from aluminum, ensuring lightweight yet durable performance. Each barrel is equipped with a 600 CFM Holley Street Dominator secondary venturi, which delivers a smooth and consistent fuel mixture for optimal combustion.

The carburetor includes a high-performance accelerator pump, which ensures quick and responsive throttle response. The pump is designed to provide an ample fuel supply during acceleration, ensuring smooth power delivery. The pump is fed by a 1/2" fuel inlet and is adjustable via the bottom mounting plate, allowing for fine-tuning to specific engine requirements.

The LP662688KS features Holley's unique electric choke system, which provides reliable and consistent choking during cold starts. The choke system is controlled by a 12-volt electric solenoid, which engages when the transmission is in neutral and the key is turned. This system eliminates the need for a manual choke, making starting easier and more convenient.

The carburetor also includes a built-in fuel pressure regulator, which maintains a consistent fuel pressure, ensuring optimal engine performance. The regulator is adjustable from 5 to 10 psi, allowing for fine-tuning to specific engine requirements.

Additionally, the LP662688KS includes Holley's innovative Ultra-Lite Secondary Floats, which are designed to reduce fuel slosh and improve idle stability. The floats are constructed from a lightweight material, which reduces the overall weight of the carburetor and improves performance.

The carburetor is equipped with Holley's classic black finish, which provides a classic look that complements any Chevrolet engine bay. The carburetor also includes all necessary hardware for installation, including mounting hardware, fuel lines, and gaskets.

Overall, the LP662688KS Barrel Carburetor from Holley Performance Products is a high-performance replacement for the original Rochester Quadrajet on Chevrolet 2GC engines. It delivers improved performance, reliability, and ease of use, making it the perfect choice for any Chevrolet enthusiast looking to upgrade their engine.

Buying a Rochester Quadrajet carburetor LP662688KS for a Chevrolet 2GC engine (305, 350/5.7, 400, or 6.6L, 1970-1980) comes with several pros and cons.

Pros:

1. Authenticity: Original Rochester Quadrajet carburetors are highly sought after by classic car enthusiasts due to their proven performance and longevity.

2. Fuel Efficiency: These carburetors are known for their ability to provide excellent fuel economy, making them a popular choice for those looking to improve their vehicle's gas mileage.

3. Smooth Power Delivery: The LP662688KS model offers smooth power delivery and responsiveness, which is desirable for both daily driving and performance applications.

4. Wide Availability: Aftermarket parts and rebuild kits for these carburetors are widely available, making it easier to maintain and repair them.

Cons:

1. Complexity: Compared to modern fuel injection systems, carburetors can be more complex to tune and maintain, requiring a higher level of mechanical expertise.

2. Emissions: Older carburetors like the LP662688KS may not meet modern emissions standards, potentially requiring additional modifications or upgrades to bring the vehicle into compliance.

3. Cost: Original Rochester Quadrajet carburetors can be quite expensive, both in terms of the initial purchase price and ongoing maintenance costs.

In conclusion, while buying a Rochester Quadrajet LP662688KS carburetor for a Chevrolet 2GC engine comes with several advantages, it is essential to consider the potential challenges and costs associated with this choice. Ultimately, the decision to purchase one of these carburetors depends on your specific needs, budget, and mechanical expertise. If you are an experienced enthusiast looking for authentic performance and are willing to invest the time and resources into maintaining the carburetor, then it could be a worthwhile investment. Otherwise, you may want to consider alternative options, such as modern fuel injection systems or rebuilt carburetors, which may offer better fuel efficiency, ease of use, and lower costs.

Details:

Item Specifics: Brand: Labwork, Type: Carburetor, Package Included: Car Carburetor ,Mounting gasket seal, Fitment: Direct Replacement, Choke: Electric, SAE Approved: Yes, Manufacturer Part Number: LP662688KS, Non-Domestic Product: No, Material: Zinc Alloy, Warranty: 1 Year. Features, Aftermarket high performance engine carburetor replacement, Add more horse power while maintaining near stock fuel mileage, Heavy duty metal construction, Directly replace the old/broken one. Excellent Delivery. 2 Barrel Carburetor Rochester for Chevrolet 2GC 305 350/5.7 400/6.6L 1970-1980.

Specifications: condition: brand new. Instructions:Not Included. Not include Public holiday.

part #: lp662688ks price

  • $76.40

specifications carbcoon:

  • for models: 305, 350, 400
  • for makes: Rochester, Chevrolet
  • for years: 1970-1980
  • brand: Labwork
  • mpn: Lp662688ks
  • type: Carburetor
  • package included: Car Carburetor, Mounting Gasket Seal
  • fitment type: Direct Replacement
  • choke type: Electric
  • dot sae approved: Yes
  • non-domestic product: No
  • material: Zinc Alloy
  • manufacturer warranty: 1 Year

payments carbcoon:

  • credit card: Mastercard
  • other
  • wallet: Google-pay

general carbcoon:

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

shipping carbcoon:

  • type: Fixed
  • transit: 3-7 Days
  • service: Standard
  • cost: $0.00
  • class: Standard

seller carbcoon:

  • city: Monroe Township, New Jersey
  • # reviews: 15057
  • rating: 98.6%

returns carbcoon:

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

offer carbcoon:

  • started: June 2, 2025
  • options: Ship-to-home
  • best offers: True
  • availability: In Stock
  • sold: 0
for models: 305, 350, 400, for makes: rochester, chevrolet, for years: 1970-1980, type: carburetor, package included: car carburetor, mounting gasket seal, fitment type: direct replacement, choke type: electric, dot sae approved: yes, non-domestic product: no, manufacturer warranty: 1 year,
category: auto parts > car truck parts accessories > air fuel delivery > carburetors, material: zinc alloy, sku: 6453141429516682,

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1 offer $76.40 USD
  • Offer #1: $76.40 price + $0.00 shipping estimate = $76.40* total. Features Aftermarket high performance engine carburetor replacement Add more horse power while maintaining near stock fuel mileage Heavy duty metal construction Directly replace the old/broken one Specifications: For Rochester 2GC / 2GV OE: 17054616 2 Barrel 12V Electric Choke Direct replacement Easy to install, no modification Fitment: For Chevrolet 350 / 5.7L (1970-1980) For Chevrolet 400 / 6.6L (1970-1975) Package Included: 1x Car Carburetor for Chevrolet Mounting gasket & seal included 1x Mounting gasket.FREE SHIPPING

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