The Holley 4150, 4160 Carburetor Handbook, will teach you the basics of idling, choke, power, accelerator pump, main-meetering, fuel inlet, and more. This DIY book covers Holley carburetor repair and adjustment, and a bonus section shows you how to choose a Holley carb based on your engine's size and its volumetric efficiency. The book also incorporates more than 100 photos, charts and drawings that show you what you're looking at and how to repair or adjust it right. A must-have guide for anyone working on a Holley 4150 or 4160 carburetor.