What is the best carburetor for a Ford 302?

Registered. For a stock 302, or slightly warmed over one, I’d go with an Autolite 4100 series.

Is a 650 cfm carb too big for a 302?

Yep, 650 is too big for a street 302.

Is a 750 cfm carb too big for a 302?

Its either the jets are too big or if its a Holley it could have a blown power valve or it may be leaking gas from the floats being set too high. In general, if you take a 750 cfm carb out of the box and bolt it on a 302 it may need to be rejetted down some but not always.

How do I know what carburetor to use?

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

Is a 600 cfm carb too big for a 302?

A 600 cfm Edelbrock is fine for a 289/302. If you have any kind of aftermarket cam or other mods, read your plugs in a couple hundred miles.

How do you adjust a carburetor?

Here’s How To Adjust a Carburetor

1. Remove the Engine Air Filter. The air cleaner and filter assembly must be removed for you to access the carburetor.
2. Locate Adjustment Screws.
3. (Optional): Hook up Vacuum Gauge.
4. (Optional): Set Baseline.
5. Warm the Engine Up.
6. (Optional): Adjust Idle Speed Screw.
7. Adjust the Air-Fuel Mixture.

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 much horsepower will a 750 cfm carb support?

A 750DP on a 330hp-400hp 5.7 with a dual plane intake (performer rpm) is easy to tune and will make max power to boot.