Combine carambola and sugar in food processor, and process 1 minute or until smooth. Strain mixture through a sieve into a bowl, reserving 1-1/4 cups juice; cover and chill. Discard solids. Add club soda to carambola juice; stir gently. Pour over ice. Yield: 2 cups (serving size: 2/3 cup). - - - - - - - - - - - - - - - - - -