Where are the part numbers on a Demon carburetor?

How do I know what CFM My Demon carb is?

The number “6” is stamped on the top of the body and the air horns are the size of a quarter. That’s it! That’s how you identify the 575 cfm mech secondary Demon Carb. From Demon tech service’s mouth.

Where do you find the carburetor number?

The list number is stamped on your carburetor, either on the corner of the airhorn or choke tower or, if it doesn’t have an airhorn, on the mainbody. Remove the carburetor from your vehicle before looking for the list number to easily find the information you need.

How do you adjust a Demon carb?

How to Tune a Demon Carb

  1. Turn your car on and let it run for 10 minutes to allow the engine to reach its operating temperature. …
  2. Adjust the four idle-mixture screws on the corners of the carb. …
  3. Locate the three float-bowl screws. …
  4. Adjust your carb’s butterfly positions — the two valves on either side of the carb.

Did Holley buy demon?

We reported that BG Fuel Systems and Demon Carburetors were poised for a comeback in a blog earlier this week. The fact that the company was bought by High Performance Industries, the same company that owns Holley, Demon’s biggest competitor, has created a bit of a stir in the automotive aftermarket.

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How do I know what size carburetor I have?

The formula for calculating how much CFM (cubic feet per minute) your engine requires is: CFM = Cubic Inches x RPM x Volumetric Efficiency ÷ 3456. Any ordinary stock engine will have a volumetric efficiency of about 80%.

What is a carb ID?

It’s like a “VIN” for your carburetor and should be hand-stamped on the front of the choke tower to the right of the vent tube on most typical Holley carbs. The list number typically is four to six digits long and may or may not have a suffix number behind it. The date code will be right below it.

How do I know if I have Walbro?

According to the Small Engine Advisor site, Walbro identification numbers are normally found on the outside body of the carburetor. Walbro carburetor identification codes are a combination of letters and numbers, WT-160B, for example. Also, the Walbro name is sometimes prominently cast on the carburetor body.

How good are Demon carburetors?

The Demon 625 turned in surprisingly good numbers, with peak horsepower coming in at 526.7 at 5,700 rpm and peak torque showing 539.7 at 4,500 rpm. Our 440 was making good power, but the manifold vacuum numbers showed the 625 carb was restrictive on this large, powerful engine, with 1.7-inch Hg recorded at 6,100 rpm.

What is a 600 CFM carburetor?

A 600 CFM carburetor can be a great choice for a wide variety of engines. A 600 CFM carb can work well with engines making 250-450 horsepower depending on the combination of parts and the RPM where it makes peak power. …

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