DMD Australia - Austin Healey 3000 Aluminium Engine

The 3.8 litre engine assembled and ready for a test run. To accommodate the large bore on this engine, the water pump has been moved forward on the block casing, so a special pulley has been machined with the correct offset for the belt.

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The engine fires for the first time. The next step is off to the dyno for through testing.

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The timing chain tensioner is steel with bronze bush and eccentric adjustment.

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The 3.8 litre Engine in place on the dyno.

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The initial test run of the 3.8 litre Engine produced the following:

  • Horsepower 295 at 6000RPM
  • Torque 300ft/lbs at 3500RPM

Test conditions:

  • 98′ research octane fuel (equiv. 94 research/motor octane)
  • 10.5 to 1 compression ratio
  • 33 degrees total advance
  • Triple 49mm Webers on DMD Rally Replica Manifold
  • Roller Camshaft 300 degrees duration
  • DMD Followers and Rockers