What CFM is a Holley 1850 3?

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600 CFM
One of the most trusted carburetors of all times -the 1850! Its 600 CFM of airflow, vacuum secondaries, single fuel inlet and mechanical choke makes it amazingly universal.

How do I know which Holley carburetor I have?

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 you date a Holley carburetor?

Decoding them is as follows:

Three Digit – Example 763 > 7 – Year (1967) , 6 – Month (June) , 3 – (Third Week)
Four Digit – Example 0798 > 079- Day of Year (would land in March) , 8 – 1978/1988/1998/2008.

What is a 4160 carb?

The Holley 4160 carburetor was introduced as an updated version of the 4150 in the 1970s. The most noticeable difference in the 4160 is the thin secondary metering plate, which is used in place of the secondary metering block.

Is Holley 1850 the same as 4160?

The 1850, like the 4160, sports a metering plate on the secondary side instead of a metering block. It has a primary accelerator pump and vacuum secondaries. It can be built with an automatic or manual choke. The 4160 is similar to the 1850 with the exception having cathedral-style fuel bowls instead of side pivot.

What CFM carb 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.

How can you tell the difference between a Holley 4150 and 4160?

These two are very similar with the primary difference that the 4150 uses a thick metering block in both the primary and secondary while the 4160 is shorter in length and uses a thin, metering plate on the secondary side.

What kind of carburetor does a Holley 1850c have?

The 1850C has a Gold Dichromate finish for corrosion protection and classic Holley looks. Don’t trust your performance to just anyone, Holley is the only modular carburetor company that has been in business for over 100 years and has powered every NASCAR champion since the 60’s. Vacuum secondaries for use on wide variety of vehicles.

Where is the list number on a Holley carburetor?

The Holley List Number can divulge any and all necessary information to identify the specifications for your carburetor. On the standard 4150/4160 models, this number will be located on the throttle lever side of the air horn. Depending on the age of your carburetor, the list number can begin with distinct markings.

What kind of parts does Holley make?

Holley’s products include carburetors, fuel pumps, fuel injection, intake manifolds, and much more. From start to finish, Holley has the parts to make your dream a reality. Kickdown Cable Bracket For Use Only On Models 4150 & 4160 carburetors with 700R-4 transmissions.