MAXPEEDINGRODS 9F5R8P Carburetor Quadrajet Vacuum Secondary 4BBL 4MV 1904R 750CFM

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: 9F5R8P ), ( Cfm: 650/750 ), ( Choke Type: Electric ), ( Compatible Make: For Chevrolet ), ( Compatible Year: 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989 ), ( Drive Type: Electric Choke ), ( Engine: 305 5.0 L / 350 5.7l Engines ), ( Features: Constant-vacuum, Quadrajet ), ( Fitment 1: For Quadrajet 4mv 4 Barrel ), ( Fitment 2: For Chevrolet 1904r 1906r 305 350 Engine 1980-1989 ), ( Fitment Type: Direct Replacement ), ( Items Included: Gasket, Mounting Hardware, O-rings ), ( Manufacturer Warranty: 1 Year ), ( Maximum Flow: Cfm ), ( Mounting Flange Type: Spread Bore ), ( Needle Valve: 3.3 ), ( Note: No Instruction Included ), ( Notice: This Is Aftermarket Replcement Part. ), ( Oe/oem Part Number: 1904r, 1906r, 17066422, 17066425, 17066432, 17066493, 17066553, 17066556, 17066563, 17066605, 17080202, 17080204, 17080207, 17080228, 17080274, 17080282, 17080284, 17081282, 17081283, 17081284, 17081285, 17082230, 17065524, 17067256, 17082280, 17082281, 17082282, 17082283, 17082284, 17083282, 17083283, 17084284, 17067258, 17067266, 17067268, 17084285, 17084288, 17084289, 17067280, 17067284, 17067336, 17068501, 17068503, 17068505, 17068587, 17068590 ), ( Part Type: Intake Fuel System ), ( Type: Carburetor ), ( Venturi Diameter: 31.7mm )

Review MAXPEEDINGRODS Carburetor For Rochester Quadrajet 4mv Vacuum Secondary 750cfm fits 1980–1989

Introducing the Maxxecar 9F5R8P 4-barrel carburetor, a high-performance replacement option for your Rochester Quadrajet 4mv vacuum secondary 1904R engine. This 750 CFM carburetor is designed to deliver superior fuel economy, increased power, and enhanced drivability, making it an excellent choice for vehicles from the 1980-89 period.

The Maxxecar 9F5R8P carburetor features a 4-barrel design, which allows for a more efficient fuel delivery system compared to the original Quadrajet setup. Each barrel is equipped with a 34 square venturi bore, ensuring optimal air-fuel mixture for optimal combustion.

This carburetor comes with a vacuum secondary system, which helps improve low-end torque and provide a smoother power delivery throughout the RPM range. It is also equipped with an 80-89 base plate, ensuring a perfect fit for your 1980-89 vehicle.

The 9F5R8P carburetor from Maxxecar is built with high-quality materials and precise machining techniques, ensuring durability and longevity. It also includes a number of performance-enhancing features, such as adjustable idle mixture screws, a power venturi jet, and an accelerator pump that can be adjusted for optimal response.

Installing this carburetor is a straightforward process, thanks to its plug-and-play design. It is also compatible with various fuel systems, including EFI and mechanical, making it a versatile choice for a wide range of applications.

In summary, the Maxxecar 9F5R8P 4-barrel carburetor is an excellent upgrade for your Rochester Quadrajet 4mv vacuum secondary 1904R engine. It delivers improved fuel economy, increased power, and enhanced drivability, and is built with high-quality materials and precise machining techniques for durability and longevity. With its plug-and-play design and compatibility with various fuel systems, this carburetor is a versatile and reliable choice for vehicle enthusiasts seeking to optimize their engine performance.

The Maxxis Racing 9F5R8P 4-barrel carburetor is a high-performance replacement option for original Rochester Quadrajet 4V vacuum secondary carburetors, particularly those with a 1904R 750 CFM model number and an 80-89 application range. Here are some potential pros and cons of considering this upgrade:

1. Increased Air Flow: The Maxxis 9F5R8P offers a larger CFM (cubic feet per minute) rating than the original Quadrajet, which can lead to improved engine performance and power output.

2. Better Fuel Efficiency: This carburetor features several advanced design elements, such as improved metering, that can result in better fuel economy compared to the stock Quadrajet.

3. Enhanced Driveability: The 4-barrel design and larger CFM allow for smoother idle and improved throttle response, making the engine more responsive and easier to drive.

4. Customizable: The Maxxis 9F5R8P comes with adjustable features, such as idle mixture and main jets, allowing tuning for optimal performance and efficiency.

5. High-Quality Construction: This carburetor is made with high-quality materials, including billet aluminum, for durability and longevity.

1. Cost: The Maxxis 9F5R8P is typically more expensive than the stock Rochester Quadrajet, which could be a deterrent for some potential buyers.

2. Installation Complexity: Installing a high-performance carburetor like the Maxxis 9F5R8P can be a more involved process than replacing a stock carburetor, requiring additional time and expertise.

3. Potential Tuning Challenges: While the adjustable features can be beneficial, they may also present challenges for some users, as fine-tuning the carburetor for optimal performance may require advanced knowledge or professional assistance.

4. Potential Compatibility Issues: Although the Maxxis 9F5R8P is designed to be a drop-in replacement for the Rochester Quadrajet, there could still be compatibility issues with specific engine configurations or accessories.

The Maxxis Racing 9F5R8P 4-barrel carburetor offers several potential benefits, such as improved performance, better fuel efficiency, and enhanced driveability, making it an attractive option for some users. However, it also comes with some drawbacks, including a higher cost, increased installation complexity, potential tuning challenges, and potential compatibility issues. Ultimately, whether or not this upgrade is right for you depends on your specific needs, resources, and expertise. If you're looking for a high-performance carburetor and are willing to invest the time and resources into its installation and tuning, the Maxxis 9F5R8P could be an excellent choice. However, if you're on a budget or prefer a more straightforward upgrade, the stock Rochester Quadrajet may be a better option.

If you're considering a high-performance carburetor upgrade for your Rochester Quadrajet-equipped engine and are willing to invest the time, resources, and expertise into its installation and tuning, the Maxxis Racing 9F5R8P 4-barrel carburetor could be an excellent choice. However, if you're on a budget or prefer a more straightforward upgrade, it may be worth considering other options, such as a rebuilt stock Rochester Quadrajet or a less expensive aftermarket alternative. Ultimately, it's essential to carefully weigh the pros and cons of each option before making a decision.

Details:

Replaces Part Numbers. 1904R, 1906R, 17066422 17066425 17066432 17066493 17066553 17066556 17066563 17066605 17080202 17080204 17080207, 17080228 17080274 17080282 17080284 17081282 17081283 17081284 17081285 17082230 17065524 17067256, 17082280 17082281 17082282 17082283 17082284 17083282 17083283 17084284 17067258 17067266 17067268, 17084285 17084288 17084289 17067280 17067284 17067336 17068501 17068503 17068505 17068587 17068590. Drive Type: Electric Choke. As shown in the picture.

Let your vehicles speed up in a short time, better driving experience. Aftermarket brand new, ensure superior and reliable quality. Improve the structure during manufacturing process, high accuracy.

5.0L 5.7L Engine 1980 - 1989. 4BBL Carburetor For Rochester Quadrajet 4MV Vacuum Secondary 1904R 750 cfm 80-89. Control the speed of engine under stable condition, effective operation. Full physical.

Telephone number. Guaranteed Fitment Always the correct part. Type: Carburetor, Choke Electric Choke, Barrel Count: 4, Auxiliary Venturi: 7mm, Venturi Diameter: 31.7mm, Main jets: 190, Air correction Idle 120, Needle Valve: 3.3, cfm : 650/750, Placement on Vehicle: Front, Fitment Direct Replacement. High hardness and corrosion resistance, longer usage life.

Compact size, less fuel consumption, energy saving and economical. Fast Shipping.

part #: 9f5r8p prices

• $179.10-$447.25

specifications carbcoon:

• for makes: Rochester
• for years: 1980-1989
• brand: Maxpeedingrods
• mpn: 9f5r8p
• cfm: 650/750
• choke type: Electric
• compatible make: For Chevrolet
• compatible year: 1980 1981 1982 1983 1984 1985 1986 1987 1988 1989
• drive type: Electric Choke
• engine: 305 5.0 L / 350 5.7l Engines
• features: Constant-vacuum, Quadrajet
• fitment 1: For Quadrajet 4mv 4 Barrel
• fitment 2: For Chevrolet 1904r 1906r 305 350 Engine 1980-1989
• fitment type: Direct Replacement
• items included: Gasket, Mounting Hardware, O-rings
• manufacturer warranty: 1 Year
• maximum flow: Cfm
• mounting flange type: Spread Bore
• needle valve: 3.3
• note: No Instruction Included
• notice: This Is Aftermarket Replcement Part.
• oe/oem part number: 1904r, 1906r, 17066422, 17066425, 17066432, 17066493, 17066553, 17066556, 17066563, 17066605, 17080202, 17080204, 17080207, 17080228, 17080274, 17080282, 17080284, 17081282, 17081283, 17081284, 17081285, 17082230, 17065524, 17067256, 17082280, 17082281, 17082282, 17082283, 17082284, 17083282, 17083283, 17084284, 17067258, 17067266, 17067268, 17084285, 17084288, 17084289, 17067280, 17067284, 17067336, 17068501, 17068503, 17068505, 17068587, 17068590
• part type: Intake Fuel System
• type: Carburetor
• venturi diameter: 31.7mm

shipping carbcoon:

• class: Standard
• type: Fixed
• transit: 3-7 Days
• service: FedEx Ground or FedEx Home Delivery
• cost: $0.00
• carrier: FedEx

seller carbcoon:

• city: Dayton, New Jersey
• # reviews: 2202
• rating: 99.7%

offer carbcoon:

• best offers: True
• sold: 0
• options: Ship-to-home
• started: June 10, 2025
• availability: In Stock

returns carbcoon:

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

payments carbcoon:

• credit card: Visa
• other
• wallet: Paypal

general carbcoon:

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

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