Holley Model 6280 2 Barrel Carburetor

1. Remove air cleaner.
2. Disconnect all hoses from front of carburetor base.
3. Center punch at a point 1/4 inch from end of mixture screw housing.
4. Drill through at punch mark with 3/16 inch drill bit.
5. Repeat steps 3 and 4 on opposite side.
6. Pry out plugs.