How To Identify A Carburetor?

How do I know what kind of carburetor I have?

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.

What is a carburetor number?

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 identify a Ford carburetor?

To identify your carb you need the Ford tag number which is stamped into a triangular shaped aluminum tag under one of the fuel bowl screws. The numbers on that tag are the carb identification number, the design code and the production date code.

What size carburetor do I need for a 350?

A 600-cfm carburetor may perform quite well on a stock 350 Chevy. However, the minute you start weaving in power adders like a hotter cam, a dual-plane performance intake manifold, and aluminum heads you’re going to need 700-750 cfm.

You might be interested:  Often asked: What Do You Soak A Carburetor In To Clean It?

How do I know what CFM my carburetor is?

How to calculate Carburetor CFM. The formula for calculating how much CFM (cubic feet per minute) your engine requires is: CFM = Cubic Inches x RPM x Volumetric Efficiency ÷ 3456.

How do I know what Weber carb I have?

Weber model numbers are always stamped on the carburetor body. They always begin with a 2-digit number (or a pair of 2-digit numbers separated by a slash) followed by three or four letters. There may or may not be more numbers and/or letters after that.

Is a 2 or 4 barrel carb better?

I know to most of you this sounds crazy but it’s the honest to God’s truth that 2 barrel carbs are actually bigger (in most cases) than 4 barrel carbs, which also means that 2 barrel carbs are more sluggish and get LESS gas mileage than 4 barrel carbs do, and here’s why: Most 2 barrel carbs are around 350 cfm.

How can you tell the difference between a 2 barrel and 4 barrel carburetor?

A “two Barrel” is a twin venturi or twin choke carburetor. Both barrels open at the same time. They are small and are usually used on the smaller engines. A 4 barrel carb has one half the same as the 2 barrel.

Can you put a 4 barrel carb on a 2 barrel intake?

Doing it with a four barrel into a two barrel intake it would never be able to flow enough into those two small passages to make much more power than a stock two barrel. But a cheap four barrel intake would be your best bet in my opinion. Good Luck.

How do I know if my carburetor is Autolite 1100?

Autolite 1100 carburetor identification is done by examining the base plate and searching for numbers. Look for the Ford part number for initial identification. Prior to ’67, 1100 carburetors had one accelerator pump diaphragm.

You might be interested:  What Is A Triple Deuce Carburetor?

What is a 4150 style carburetor?

The 4150 carburetor was first introduced for the 1957-58 Ford Thunderbird. Often referred to simply as the “ double pumper,” the 4150 and 4150-style carburetors fuel-feed inlets and a second full metering block on the secondary side, giving it dual accelerator pumps.

Leave a Reply

Your email address will not be published. Required fields are marked *