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Holley Carburetor Lock Screw Removal

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Use a large screwdriver to loosen the lock screw. Next, use a 5/8-inch wrench to change the float level. Turning it counterclockwise raises the float level. Make adjustments a quarter-turn of the nut or less each time before rechecking. For a baseline, you want to set the float so that the fuel in the bowl sits just below the sight window.
Holley Carburetor Float - Don't Forget The Floats

 Use a large screwdriver to loosen the lock screw. Next, use a 5/8-inch wrench to change the float level. Turning it counterclockwise raises the float level. Make adjustments a quarter-turn of the nut or less each time before rechecking. For a baseline, you want to set the float so that the fuel in the bowl sits just below the sight window.  View Related Article

 

 

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