The Demon Fuel Systems SDA-850-MS Screamin Demon Carburetor is engineered for enthusiasts who demand high performance and efficiency in their engines. This 850 cfm carburetor features a mechanical secondary, designed for optimized fuel delivery at high RPMs, ensuring smooth throttle response and maximum power output. Equipped with down leg boosters, this carb provides improved fuel atomization, leading to better combustion efficiency. Ideal for street and performance applications, the Screamin Demon offers the perfect balance between raw power and reliable drivability.
Technical Specifications
- Brand: Demon Fuel Systems
- Part Number: SDA-850-MS
- CFM (Cubic Feet per Minute): 850 cfm
- Booster Type: Down Leg Booster
- Secondary Type: Mechanical Secondary
- Fuel Type: Gasoline
- Throttle Linkage: Mechanical
- Material: Die-cast aluminum construction
- Finish: Polished aluminum
- Fuel Inlet: Dual inlets for easier fuel line installation
- Primary Jets: Included (adjustable for tuning)
- Recommended Engine Size: 350-500 cubic inches (based on application)
- Installation: Universal, fits most popular carbureted engines
- Weight: 6.8 lbs
Features
- 850 cfm Flow Rate: Ideal for high-performance street engines and race cars that require maximum airflow.
- Mechanical Secondaries: Provides quick and reliable throttle response under full load, perfect for aggressive driving and racing.
- Down Leg Boosters: Enhance fuel atomization for better combustion efficiency and improved throttle response.
- Die-Cast Construction: Durable and lightweight, designed to withstand high performance and heat.
- Polished Finish: Attractive and corrosion-resistant for long-lasting good looks and durability.
- Adjustable Jets: Allows fine-tuning of the carburetor for different engine setups and fuel demands.
Applications
- Street Performance Engines: Perfect for hot rods, muscle cars, and other performance applications that require high airflow and consistent fuel delivery.
- Racing Engines: Ideal for racing setups that demand precise fuel management, especially in applications where throttle response and power are critical.
- Carbureted V8 Engines: Best suited for engines ranging from 350 to 500 cubic inches, but can be adapted for smaller or larger builds with proper tuning.
Benefits
- Improved Power Output: The 850 cfm flow rating, combined with the mechanical secondaries, ensures maximum airflow at high RPM, leading to a significant boost in power.
- Precise Fuel Management: The down-leg boosters and mechanical secondaries deliver a steady, precise fuel stream, improving fuel efficiency and performance across a range of engine speeds.
- Durability: The die-cast aluminum construction ensures this carburetor can withstand the heat and pressure of high-performance applications.
- Ease of Installation and Tuning: The carburetor comes with adjustable jets, allowing for easy tuning to suit different engine setups and conditions.
- Great for Performance Builds: Whether you’re building a street machine or a race car, the Screamin Demon carburetor is a great addition for maximizing engine output.
REVIEWS
CW
"I swapped out my old carb for the Demon Screamin Demon 850 on my 383 stroker, and the difference is night and day. My throttle response is instant, and the engine just feels more powerful. Highly recommend it for anyone building a performance engine."
Christopher Wells
Dallas, TX
SB
"Fantastic carburetor for my muscle car. The mechanical secondaries give me the punch I need, and the down-leg boosters make my engine run smoother at all speeds. It was easy to install and tune as well!"
Sarah Bennett
Atlanta, GA