Train yourself to be efficient using your references. Don't bother to buy any book that doesn't have a decent index. Lindeburg's books have great indexes. Don't underestimate how much a good index will help you. You'll save time studying and during the exam.
Speed is everything.
Tabs on your reference manual make your life easier during the test. And bring several bookmarks of some kind. During the Exam On the exam, the first problem you work should be a familiar one, to get you going and in the thinking mode. Read each problem all the way through to the end. Then start solving.