This book is for the typical motorist who, as shown in the first chapter, only looks at his engine when he remembers to check the oil level or has noticed a tendency to misfire under load. He could be aware that the car no longer gives the good mpg it gave when he bought it as an 'immaculate used car' and could be wondering what to do about it. This book will tell him. The richer motorists in their new Jaguars and Mercedes - the ones that flash past us on the Motorway - never worry about fuel consumption. This book is not for them. Here, then, is an explanation of the principles of tuning,...