To check the accel. pump. Turn off engine, pull air cleaner, climb up on engine so you can see down in through the top of the carb. Now move the throttle open and watch for the squirt of gas from the pump. If you don't see it or it doesn't start right away it needs attention.
To set the floats. You have to remove the top of the carb and hold it upside down. Then measure the distance from the gasket to the heel of the float. To raise/lower the level you bend the tang that goes from the pivot to the foat it self. Don't push the foat up or down. All you do there is force the needle into the seat and screw it up. Take a small set of needle nose pliers and hold the tang while moving the float so not to put pressure on needle and seat.
The spec for the floats on all Edelbrock carbs is 11/32".
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