Remove main jets and inspectfor foreign matter and proper size stamped on side. Never attempt to gauge or clean j e t orifice with wire gauge, drill or similar object. Replace damaged or improper main jets with authorized Holley replacement parts. Crank engine (ignition "off") with air horn removed to fill float chamber. Check for specified fuel level and re-set floats if necessary. See "R e a s s e m b l y" section of this manual.