A woman called an auto parts store and asked for a 28-ounce water pump. "What?" asked the confused parts guy. She said, "My husband says he needs a 28-ounce water pump." "A 28-ounce water pump? What kind of car does it fit?" asked the parts guy. "A Datsun," replied the woman. As the parts guy wrote down her request, a light went on in his head. "Oh, yes, ma'am. We've got 28-ounce water pumps," he said. "We also have 24-ounce and 26-ounce pumps." "Finally," she said. "You're the first place I've called that knew what I was talking about." "Yes ma'am," said parts guy, smiling, as he jotted down "Datsun 280Z water pump..."