MAXPEEDINGRODS 29SWMX Carburetor Quadrajet Engine 4BBL 1904R 1906R 4MV

( Brand: Maxpeedingrods ), ( Manufacturer Part Number: 29SWMX ), ( California Prop 65 Warning: California Prop 65 Warning ), ( 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 Chevy Engine fits 305 350

Introducing the Max-Flow 29SWMX 4bbl Carburetor, a high-performance solution specifically designed for 1904R and 1906R Rochester Quadrajet 4MV engines powering 1965-1967 Chevrolet 305 and 350 small-block engines. This carburetor is produced by Max-Flow, a leading brand recognized for their commitment to delivering superior engine management and power enhancement.

The Max-Flow 29SWMX 4bbl Carburetor is a quad-barrel design, which means it features four separate barrels, each with its own throttle butterfly and fuel metering jet. This configuration provides improved air/fuel mixture delivery, leading to better combustion efficiency and increased power output. The carburetor's design also ensures optimal idle stability and smooth power delivery throughout the engine's RPM range.

This carburetor features a 2900 CFM air flow capacity, making it suitable for high-performance applications. The 4bbl design allows for increased fuel delivery, delivering more fuel to the engine during high load conditions, ensuring optimal power and torque. Each barrel is equipped with a high-performance hollow core throttle shaft, which reduces rotational mass and improves throttle response.

The Max-Flow 29SWMX 4bbl Carburetor comes with a built-in electric choke system for easy cold starting. The choke system is adjustable, allowing you to fine-tune the starting process to suit your specific engine. The carburetor also features a vacuum secondary system, which improves low-end torque and provides a power boost during wide-open throttle conditions.

The Max-Flow 29SWMX 4bbl Carburetor is constructed from high-quality materials, including a durable cast aluminum body and stainless steel components. The carburetor's finish is designed to resist corrosion and wear, ensuring long-lasting performance. The carburetor also comes with a full set of gaskets, mounting hardware, and other necessary components for a straightforward installation process.

In summary, the Max-Flow 29SWMX 4bbl Carburetor is a high-performance solution for 1904R and 1906R Rochester Quadrajet 4MV engines powering 1965-1967 Chevrolet 305 and 350 small-block engines. Its quad-barrel design, high air flow capacity, and advanced features provide improved power output, smooth power delivery, and easy cold starting. With its durable construction and adjustable settings, this carburetor is an excellent choice for enthusiasts seeking optimal engine performance.

The Maximum Products 29SWMX 4bbl carburetor is a suitable upgrade option for 1904r and 1906r Rochester Quadrajet 4mv Chevy 305 and 350 engines. Here are some pros and cons that can help in making an informed decision:

1. Improved Performance: The 4bbl carburetor delivers better air-fuel mixture for improved combustion efficiency, leading to enhanced power and torque output.

2. Smoother Idle: This carburetor offers a smoother idle, making the driving experience more comfortable and refined.

3. Better Throttle Response: The 4bbl carburetor offers quicker throttle response, providing better acceleration and better overall driving experience.

4. Customizability: The 4bbl carburetor offers more tuning possibilities, enabling fine-tuning of the engine for optimal performance and fuel efficiency.

5. Durability: Maximum Products is known for manufacturing high-quality carburetors that can withstand the rigors of regular use and provide long-lasting performance.

1. Complex Installation: Installing a 4bbl carburetor can be a complex process, especially for those without prior experience or mechanical skills.

2. Cost: The 4bbl carburetor is more expensive than the stock Quadrajet carburetor, which might be a significant investment for some.

3. Fuel Consumption: While the improved performance can be a plus, it can also lead to increased fuel consumption, which might be a concern for those looking for better fuel efficiency.

4. Maintenance: The 4bbl carburetor requires regular maintenance to ensure optimal performance, which can be time-consuming and costly.

The Maximum Products 29SWMX 4bbl carburetor can provide significant performance improvements for 1904r and 1906r Rochester Quadrajet 4mv Chevy 305 and 350 engines. However, it comes with some challenges such as complex installation, increased cost, and higher fuel consumption. Ultimately, the decision to upgrade to a 4bbl carburetor depends on individual priorities, budget, and mechanical skills.

If you're looking for improved performance, smoother idle, and better throttle response, the Maximum Products 29SWMX 4bbl carburetor is a suitable choice. However, be prepared for the complex installation process, increased cost, and higher fuel consumption. If you lack the mechanical skills or budget for the upgrade, it might be best to stick with the stock Quadrajet carburetor.

Details:

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. Aftermarket brand new, ensure superior and reliable quality. Compact size, less fuel consumption, energy saving and economical. High hardness and corrosion resistance, longer usage life.

Package Included: 1x Carburetor, 1 x Flange Gaskets, Air filter gaskets, Tool for Pushing Plug, 4x Plugs, 8x jets. Let your vehicles speed up in a short time, better driving experience. 5.0L 5.7L Engine 1980 - 1989. Improve the structure during manufacturing process, high accuracy.

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. As shown in the picture. Guaranteed Fitment Always the correct part.

Control the speed of engine under stable condition, effective operation. Drive Type: Electric Choke.

part #: 29swmx prices

• $179.10-$447.25

specifications carbcoon:

• for models: 305, 350
• for makes: Rochester, Chevy
• brand: Maxpeedingrods
• mpn: 29swmx
• california prop 65 warning: California Prop 65 Warning
• 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
• carrier: FedEx
• service: FedEx Ground / FedEx Home Delivery
• type: Fixed
• transit: 4-9 Days
• cost: $0.00

seller carbcoon:

• rating: 99.0%
• # reviews: 6866
• city: Dayton, New Jersey

offer carbcoon:

• started: August 2, 2025
• sold: 0
• availability: In Stock
• best offers: True
• options: Ship-to-home

returns carbcoon:

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

payments carbcoon:

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

general carbcoon:

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

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