Preheat oven to 375 deg.Combine apples,1/4 cup sugar and cinnamon,and set aside.In a large bowl combine flour,remaining sugar,baking powder and salt.Make a well in center of mixture and pour in oil,juice,eggs and vanilla.Blend well.Spoon 1/3 of batter into greased and floured 10" tube pan.Arrange 1 1/2 cups of the apples in a ring on the batter.Repeat with layers of batter,apple and batter.Cover with topping swirling it in a bit..Bake 1 hour at 375 deg.and an additional 10 minutes at 350 deg. or til cake tests done.. ----