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Lycoming Engines Max Oil Consumption

 
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mcculleyja(at)starpower.n
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PostPosted: Mon Jul 03, 2006 7:38 am    Post subject: Lycoming Engines Max Oil Consumption Reply with quote

The following data is taken from the Approved Lycoming Overhaul Manual
available from Lycoming. Note that the maximum consumption allowed
varies according to the model and is based on consumption at full rated
horsepower and maximum rated rpm. All data is at maximum oil inlet
temperature of 245 degrees Fahrenheit:

ENGINE MODEL Maximum/HOUR
Pounds Quarts RPM

O-235-C1,-C1B 0.9 .50 2600
O-290-D,-D2 Series 1.0 .56 2600
O-320-A,-B,-D,-E,IO-320-A,-B Series 1.2 .67 2700
O-340-A Series 1.3 .72 2700
O-360-A,-B,-C,-D 1.4 .78 2700
IO-360-A,-C 1.5 .83 2700
IO-360-B1A,-B1B 1.4 .78 2700
HO-360-B 1.4 .78 2900
HIO-360-A,-B,VO-360-A,-B,IVO-360-A1A 1.5 .83 2900
O-540-A,-B Series 1.8 1.00 2575
O-540-E 1.8 1.00 2700
O-540-F 1.8 1.00 2800
IO-540-A,-B,-E,-G 2.0 1.11 2575
IO-540-C Series 1.8 1.00 2575
IO-540-D 1.8 1.00 2700
IO-720-A1A,-B1A 3.0 1.67 2650
----------------------------------------------------------------------
Fellow Lister,

Does anyone know how excessive an engines oil consumption can become,
before one should take it apart for an overhaul?

What does Lycoming recommend in regard to max allowed oil consumption?

Thanks, Konrad
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