The vitals are further into the chest cavity than that of a whitetail or elk.
Another excellent observation, thanks for throwing that out Jake! There's a photobook available and I believe it's called, "Perfect Shot". It's a handy reference for shot placement.
Mark, keep in mind that an eland has nearly 2.5 times the body mass of a kudu. Bust him when he's completely broadside to ensure the maximum penetration.
