Table Of Contents: Introduction 5 Chapter 1: Development and Design 6 History 6 Internal Specifics 11 Chapter 2: Engine Block 16 Block Identification 17 Washing and Magnafluxing 20 What to Check on W Blocks 21 Inspection Process 22 Block Preparation 24 Oiling System 26 Aftermarket Manufacturers 27 Chapter 3: Crankshafts, Rods and Pistons 31 Crankshafts 31 Connecting Rods 35 Pistons 37 Machining 41 Chapter 4: Cylinder Heads 43 Design Features 43 348 and 409 Differences 45 Machining 49 Head Selection 51 Stock Head Modifications 52 Aftermarket Head Manufacturers 54 Chapter 5: Camshafts and Valvetrain 64 Stock Cam Timing Specs 64 Flat-Tappet Camshafts 66 Roller Camshafts 67 Lifters 67 Cam Selection 68 Aftermarket Manufacturers 68 Pushrods 69 Rocker Arms 70 Valves 72 Valvesprings, Retainers and Locks 73 Timing Chain Set 74 Chapter 6: Induction and Ignition 75 Intake Manifolds 75 Carburetors 81 Ignition 83 Chapter 7: Headers and Exhaust 86 Header Development 86 Exhaust Design 89 Chapter 8: Cooling System 93 Design Factors 93 Cooling Capacity 95 Radiators 96 Water Pump 97 Fans 98 Airflow 98 Chapter 9: Stroker Engines 102 Stroker Math 102 Clearancing 103 Cam and Head Selection 105 Four-Bolt Main Bearing Conversion 105 Stroker Kits 105 Popular Combinations 107 Chapter 10: Teardown and Inspection 111 Removal 111 Inspection 114 Cleaning 117 Testing 119 Measuring Parts 120 Chapter 11: Engine Assembly 124 Proper Lubrication 124 Subassemblies 125 Block 125 Valves and Hardware 126 Cam Bearing Installation 127 Main Bearings 127 Crankshaft 128 Camshaft 131 Pistons 132 Degree the Camshaft 133 Front Dampener 134 Oil Pump, Windage Tray and Oil Pan 135 Cylinder Head 136 Intake and Ignition 141 Source Guide 144.