Porsche 911 Performance Handbook, 1963-1998The iconic Porsche 911 is that rarity a world class performance car that can still be improved. This book shows anyone with the tools and a modicum of skill how to make this great car even better with performance enhancing tricks and techniques ranging from subtle to extreme. Focusing solely on the air cooled cars produced from 1963 through early 1998, this third edition of the Porsche 911 Performance Handbook provides clearly illustrated, easy to