Heat oven to 325 degrees. Grease and flour a tube pan. Set aside.
Sift flour, baking soda and salt into a medium bowl.
Using a stand or hand mixer, beat butter at medium speed until fluffy. Gradually add sugar and beat 5 minutes. Add eggs 1 at a time, beating just until combined after each egg is added.
Beat in orange juice.
With the mixer on low, add in dry ingredients. Mix until blended. Add in sour cream, and orange zest mixing until just incorporated. Do not overmix.
Pour batter into the prepared cake pan and bake for approximately 1 hour and 20 minutes. Test cake with a wooden skewer - the cake is done when the skewer comes out clean. Let cake cool in pan on rack 15 minutes. Use a knife to run around the edge of the cake pan to loosen cake. Turn out cake onto a plate or stand.
When cake has cooled completely, mix together confectioners sugar and orange juice then drizzle over cake. Serve.