The 4-Cylinder Engine Short Block High-Performance Manual

The 4-Cylinder Engine Short Block High-Performance Manual : New Updated & Revised Edition

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A complete practical guide on how to blueprint (optimise all aspects of specification) any 4-cylinder, four-stroke engine's short block to obtain maximum performance and reliability without wasting money on over-specced parts.
Includes choosing components, crankshaft & conrod bearings, cylinder block, connecting rods, pistons, piston to valve clearances, camshaft, engine balancing, timing gear, lubrication system, professional check-build procedures and much more.
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Product details

  • Paperback | 112 pages
  • 207 x 250 x 10.16mm | 430.91g
  • Dorset, United Kingdom
  • English
  • Revised
  • Updated, Revised
  • 195
  • 1787113345
  • 9781787113343
  • 2,160,326

Table of contents

Rpm limitations
Connecting rods
Camshaft drives
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
Cast pistons
Forged pistons
Piston rings
Top ring
Second ring
Three-piece oil control ring
Main & connecting rod bearings
Camshaft bearings (in-block cams)
Connecting rod bolts
Studs & nuts
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
Drain tap
Strapping welch (freeze) & camshaft plugs
Block decking
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 dampers

Chapter 10. Camshaft & lifters
Used camshafts
Reground camshafts

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

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About Des Hammill

Des Hammill has a background in precision engineering and places great emphasis on accuracy. Des has vast experience of building all types of engine for many categories of motor racing. Having lived in many countries around the world, Des and his wife, Alison, currently live in Devon, England.
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