COMBINE FLOUR, BAKING SODA, AND SALT IN MEDIUM BOWL. COMBINE 2 CUPS SUGAR , MELTED BUTTER, WATER, PUMPKIN AND 4 EGGS IN LARGE BOWL. BEAT AT LOW SPEED, SCRAPING BOWL OFTEN, UNTIL SMOOTH. CONTINUE BEATING, GRADUALLY ADDING FLOUR MIXTURE AND SCRAPING BOWL OFTEN, UNTIL WELL MIXED.