The 4-Cylinder Engine Short Block High-Performance Manual

Introduction Rpm limitations Pistons Crankshaft Connecting rods Camshaft drives Balancing Oil pump Sump (oil pan)

Using this book Essential information

Chapter 1. Buying a standard used engine Checking engine condition Summary of checks

Chapter 2. Buying a used high-performance engine What to check in unused/rebuilt engines

Chapter 3. Choosing replacement parts Pistons Cast pistons Forged pistons Piston rings Top ring Second ring Three-piece oil control ring Summary Main & connecting rod bearings Camshaft bearings (in-block cams) Connecting rod bolts Studs & nuts Gaskets O-ringing blocks

Chapter 4. Plain bearing basics Bearing tunnels Bearing shell location tabs Fitting main bearing shells Fitting big end bearings

Chapter 5. Cylinder block - checking Checking main bearing tunnel sizes Check fitting main bearing shells Checking bearing crush Measuring main bearing inside diameters

Chapter 6. Cylinder block - preparation Cleaning components Cast iron components Aluminium components Preparation before cleaning Cleaning after parts have been in the tank Crack & porosity testing Iron blocks Aluminium blocks Threaded holes Summary Drain tap Strapping welch (freeze) & camshaft plugs Block decking Reboring Cylinder block boring machines Final block detailing Install camshaft bearings (if applicable) Machined surface protection

Chapter 7. Connecting rods - preparation Piston pin retention and little ends Circlip piston pin retention Interference fit piston pin retention Connecting rod big end tunnel resizing Big end bore honing Connecting rod bolts Checking connecting rod bolts for stretch Aftermarket connecting rods Bearing crush Optimum big end bearing clearance Big end bearing diameters

Chapter 8. Crankshaft Checking the crankshaft Crankshaft preparation Crankshaft regrinding Check fitting the connecting rods to the crankshaft Flywheel dowelling

Chapter 9. Engine balance Piston sets Connecting rods Crankshaft Flywheels Crankshaft dampers

Chapter 10. Camshaft & lifters Used camshafts Reground camshafts Lifters Summary

Chapter 11. Crankshaft - check fitting Camshaft installation (if in block) Crankshaft installation Thrust bearings `Check fitting' the crankshaft to the block

Chapter 12. Timing chain Fitting timing chains Camshaft timing Accurate valve timing

Chapter 13. Valve reliefs & fitting pistons to connecting rods Piston valve reliefs Accurate valve relief location Valve relief diameters Fitting pistons to connecting rods Interference fit piston pins Circlip retained piston pins

Chapter 14. Pistons & connecting rods - installation Piston rings Measuring end gaps Altering ring gaps Side clearance Radial depth of the ring groove Fitting rings to pistons Oil control rings Compression rings

Chapter 15. Camshaft & ignition timing marks Checking top dead centre Ignition timing marks Camshaft timing marks Degree marking the crankshaft pulley Checking camshaft timing (in-block cams)

Chapter 16. Oiling system Stock sumps (oil pans) Windage tray & baffle Increasing oil capacity Aluminium sumps Engine installation angle Oil pumps Crankcase ventilation Oil & filter

Chapter 17. Conclusion Starting and running-in a rebuilt engine Checking used oil & the filter Engine inspection with sump (oil pan) removed Valve sear recession Postscript

Index