I purchased a 1406 from edelbrock and ran into problems with flooding and acceleration stumble.. Even though edelbrock carbs are very simple it takes time to tune them properly. After each adjustment take a test drive to see how it effects how the motor runs.. Floats can also be included in this circuit because a flooding condition by.. You can adjust an Edelbrock 1406 carburetor to prevent it from running too rich -- that is, too much fuel versus air -- or from running with a mixture that's too lean on fuel. Step 1. Fire the engine and give it time to warm to idle temperature. Locate the choke -- found on the top of the carburetor -- and make certain it is open entirely.
The Edelbrock carburetor has three (3) basic systems that meter fuel to the engine: The Idle System, Primary Main System, and Secondary Main System. By understanding the operation of each you will be better prepared to calibrate your carburetor. Idle System: The Idle System delivers 100% of the idle fuel. It. how to set the float height and what to set the float height to on an edelbrock carburetor - no carb can be just bolted down and thrashed on without proper a.