BRAND NEW! SEALED FROM THE PUBLISHER Understanding and assessing the flow of gases through the inlet tract, cylinder head and exhaust system of an engine can be daunting to even the most seasoned mechanic. This book describes a practical, low-cost alternative that lets you check the gas flow in your engine and devise improvements. The author has developed and refined these techniques over many years and has written this book for the tuner intent on increasing the power output of a car engine.