What CFM is a Holley 3310 2?


Barrels 4
Carburetor Use Street
CFM 750
Choke Manual
Circuit 2

How do I identify a Holley 2 barrel carburetor?

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.

What size Holley carburetor is a 80457 2?

Holley 80457-2 4 Barrel 600 CFM Carburetor.

Are 2 barrel carbs good?

Member. A 4 barrel carb will yield you more power and with more power theres more gas. a 2 barrel carb will yield you less air less air means less power and less fuel.

What CFM is a Holley 3310?

750 CFM
Holley 0-3310S 750 CFM Classic Holley Carburetor.

What size jets are in a 650 Holley?


Barrels 4
Secondary Main Jet 73
Secondary Pump Nozzle Size 28
Supercharged Application No
Throttle Bore 1.688 inch

What size Holley carb do I need?

To arrive at the most appropriate carburetor choice, there’s a basic formula: engine displacement multiplied by maximum rpm divided by 3,456. For example: a typical 355ci small-block—a 0.030-over rebuild—with a 6,000-rpm max engine speed would work well with a 616-cfm carb ((355 x 6,000) 3,456 = 616.32).

Is 600 cfm carb big enough?

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.

Can I 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.

What is the difference between a two barrel and four barrel carburetor?

What’s the Difference Between a Carburetor’s Primary and Secondary Barrels? A four-barrel carburetor has two primary and two secondary barrels. At idle and low-rpm driving, only the primary barrels open. The throttle blades on the secondary barrels stay closed.

What is the difference between a Holley 4150 and 4160 carburetor?

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.