Float Level
- Remove air horn. Remove gasket from main body casting. Hold float retainer firmly in place. See Fig 1 .
- Apply light finger pressure to push float gently against needle. Measure distance with "T" scale from top of casting to top of float. Gauging point should be 3/16" back from end of float at toe.
- Be sure to check float alignment after adjusting operation. Install new gasket and reinstall air horn.
- If adjustment is needed, REMOVE float from main body of carburetor. Bend float arm up or down. Install float and recheck float level.
Courtesy of GENERAL MOTORS COMPANY