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50 Pages
Paperback
Black and White

MG MGB 1800cc Special Tuning Handbook

This tuning booklet for the MG MGB with the 1800cc engine was published by the M.G. Car Company Limited.

The manual is laid out to give details for progressively increasing power, and it is up to the owner to select the simplest tuning method which will give him the performance level he wants to attain.

Additionally, tuning hints are included for racing enthusiasts who want to take their engines to the limit and who have the facilities to modify or fabricate special parts.

Table of Contents

Getting the Best from Your MGB
- Choice of fuel
- Spark plugs
- Static ignition setting
- The Dunlop center-lock wheel
General Data
Tuning
- Ordinary Road Work
  - Stage 1: Port polishing
  - Stage 2: Middle-range acceleration
- Competition
  - Stage 3: Compression ratio 9.6 to 9.8:1 (head machined)
  - Stage 3A: Compression ratio 9.6 to 9.8:1 (flat-top pistons)
  - Stage 3B: Compression ratio 10.5:1 (head and pistons)
  - Stage 4: Compression ratio 9.3 to 9.5:1 (head and pistons)
  - Stage 5: Compression ratio 9.3 to 9.5:1 (Weber carburetor)
  - Stage 6: Compression ratio 10.4 to 10.6:1 (Weber carburetor)
Other Special Items
- Brakes
- Carburetor (Weber)
- Clutch
- Crankshaft
- Crankshaft bearings
- Cylinder head gasket
- Distributor
- Dynamo
- Exhaust system
- Flywheel
- Fuel pump
- Fuel tank (supplementary)
- Transmission (close ratios)
- Transmission (dipstick and oil seal)
- Hand brake (fly-off)
- Oil cooler
- Oil filter
- Oil pump
- Oil sump
- Rear axle ratios
- Road springs
- Road wheel and tire (assembly balance)
- Shock absorbers
- Spark plugs
- Timing chain sprockets
- Torque wrench settings
- Valves and guides
- Valve springs
- Water thermostat and fan
Competition Equipment (List)
Optional Extras
Accessories