The Ferrari 575M Maranello | Part Three

The Ferrari 575M Maranello

Ferrari 575

Engine & Performance

The 575M Maranello’s new 12-cylinder power unit retains many of the classic elements of Ferrari’s most charismatic engine configuration. The 65 degree V12, has four overhead camshafts and four valves per cylinder, while the cylinder block, cylinder heads and oil sump are all manufactured in light alloy. A dry sump lubrication system is fitted. The new engine was designed to produce more power and torque right across the rev range, for even sportier power delivery, quicker response times in all conditions and improved driving pleasure.

This improved power delivery comes courtesy of the wide range of modifications made to the V12. These include:

  • An increase in displacement to 5,748 cc
  • Higher compression ratio, increased to 11:1
  • New forged aluminium alloy pistons by Mahle
  • New intake manifold fluid-dynamics
  • New variable back-pressure exhaust system
  • New timing for the intake and exhaust camshafts
  • New cooling circuit for the cylinder heads
  • New Bosch Motronic electronic engine control
  • New crankshaft

The result of this comprehensive make-over is an increase in maximum power to 515 bhp (379 kW) at 7,250 rpm, and in maximum torque to 589 Nm at 5,250 rpm (435 lb ft). Overall, torque is up by an average of 15 Nm (11 lb ft) between 1,000 and 4,000 rpm compared to the 550 Maranello. The engine now meets both EC stage 3 and USA LEV-ORVR exhaust emission standards.

Both the 575M models can exceed 320 km/h (200 mph) and the F1-style transmission is so efficient that it can out-perform the manual version. Acceleration from standstill to 62 mph is achieved in 4.2 seconds, while the run to 400 metres takes just over 12 seconds.

continues... | Part Four
Published 22 May 2004 Melanie Carter

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