fits make: Mopar, Dodge. year: 1939.

( Brand: Stromberg ), ( Manufacturer Part Number: 2B3-39 ), ( Type: Carb )
The Stromberg 2B3-39 1-barrel carburetor is a classic automotive component, specifically designed for use with the Mopar 3-39 BXV-3 1-barrel intake manifold on 1939 Dodge 218 6-cylinder engines. This carburetor is a symbol of automotive heritage and is highly sought after by collectors and restoration enthusiasts.
The 2B3-39 is a single-barrel, downdraft design, meaning that the intake port for the carburetor opens from the top and air flows downward into the venturi. This design enables the engine to draw a small vacuum to ensure proper fuel atomization and mixture delivery to the engine. It is important to note that this carburetor is not interchangeable with other models, as it has unique specifications for the specific Mopar intake manifold and engine configuration.
The 2B3-39 carburetor features a core design based on the original Stromberg 97 carburetor, which was introduced in the 1930s and quickly became a favorite for its reliability and performance. The 2B3-39 builds on that foundation, incorporating modern refinements for improved fuel efficiency and ease of adjustment. These refinements include aSYNC (Automatic Synchro- jet) chokes and a gas pressure regulator that optimizes fuel delivery during starting, idle, and cruise.
The 2B3-39's design also incorporates a threaded, flush-mounted metering rod, which ensures proper idle adjustment and allows for fine-tuning of the engine's idle mixture. The needle and jet kit for this carburetor includes a range of options to accommodate various fuel and climate conditions, making it versatile for different driving environments. This kit also includes the correct snow and altitude jets for those living in areas with extreme cold or high altitudes.
The 2B3-39 is made from high-quality materials, including a cast aluminum body, stainless steel floats, adjustable brass needle and seat, and a hardened nest and seat surfaces. These materials ensure durability and long-term performance, making this carburetor an excellent choice for those seeking an authentic, high-performing factory-looking component for their vintage vehicle.
Installation of the 2B3-39 carburetor requires a careful and precise process to ensure proper fitment and optimal performance. Proper installation includes accurately setting the float height, needle and jet adjustment, and synchronization of the idle circuit. A professional mechanic or dedicated hobbyist with expertise in carburetor installation is highly recommended for this process.
For those seeking to restore their vintage 1939 Dodge 218 6-cylinder engine to its former glory, the Stromberg 2B3-39 1-barrel carburetor is an essential component. Its classic design, modern refinements, and authentic construction make it the ideal choice for those seeking high-performance and nostalgia in one package. With proper installation, this carburetor will provide reliable, consistent fuel delivery, ensuring that your engine runs strong and true.
The Stromberg 2B3-39 1-barrel carburetor is a popular choice for restoring or customizing 1939 Dodge 218 6-cylinder engines. Here are some potential pros and cons of buying and using this carburetor:
Pros:1. Authenticity and historical accuracy: If you're restoring a vintage vehicle, a Stromberg carburetor is a common and desirable option. It mimics the original equipment used in the 1930s and adds to the car's authenticity.
2. Performance: Many classic car enthusiasts report improved engine performance and ease of starting with the use of a Stromberg 2B3-39 carburetor. A proper tuning and adjustment of the carburetor can enhance the vehicle's driving experience.
3. Easy adaptation: While the Stromberg 2B3-39 is designed for systems using a single intake manifold with a single exhaust, it can still be adapted to some dual intake manifolds with minimal modifications.
4. Availability: The 2B3-39 carburetor is widely available from many classic car parts suppliers. Even if new, they can be purchased with reasonable ease when compared to other, more obscure vintage components.
Cons:1. Complexity and tuning: Compared to modern carburetors, the Stromberg 2B3-39 is more complex to adjust and tune. It requires considerable expertise and time to optimize for the individual engine setup, which could potentially lead to frustration for some enthusiasts.
2. Cost: The price of a new Stromberg carburetor can be higher than other available options on the aftermarket. However, the added performance and historical accuracy may justify the expense for some classic car enthusiasts.
3. Cold starting issues: Some users report trouble starting their engines in colder temperatures with the Stromberg carburetor. This is likely due to the smaller fuel bowl capacity and thinner fuel that becomes less dense when cold.
Ending Conclusion:The Stromberg 2B3-39 1-barrel carburetor is a common and nostalgic choice for classic 1939 Dodge 218 6-cylinder engines. It may offer better performance and historical accuracy, but it also comes with increased complexity, higher cost, and potential cold starting challenges.
Upon a careful consideration of these pros and cons, if you're dedicated to the classic car hobby and desire improved driving performance for your 1939 Dodge, as well as authenticity and historical accuracy, the investment in a Stromberg 2B3-39 carburetor can be justified.If you're experiencing cold starting issues, consider installing a fuel preheater or employing other starting techniques to mitigate this inconvenience.
Recommendation:For those willing to invest the time, money, and effort into the installation, tuning, and optimal performance of a Stromberg 2B3-39 carburetor, this option is highly recommended for enhancing the driving experience of a 1939 Dodge 218 6-cylinder. For those looking for an alternative with easier sourcing, less complexity, and fewer cold starting challenges, explore other carburetor options that might better fit their restoration goals and budget.
See pics for condition. Core for rebuilding or parts. Throttle bore measures 1-9/16 and mounting bolt holes to measure Stromberg 1-barrel carburetor, ID stamp number 3-39 and base plate casting BXV-3.
Linkage moves free. Please verify part number and pictures match your application. Carb is dinged/nicked up from handling.