Lycoming IO-360 Series User Manual

LYCOMING OPERATOR’S MANUAL SECTION 2
O-360 AND ASSOCIATED MODELS SPECIFICATIONS
SECTION 2
SPECIFICATIONS
O-360-A, -C, -F Series*
FAA Type Certificate ....................................................................................................................................286
Rated horsepower...........................................................................................................................................180
Rated speed, RPM........................................................................................................................................2700
Bore, inches.................................................................................................................................................5.125
Stroke, inches..............................................................................................................................................4.375
Displacement, cubic inches.........................................................................................................................361.0
Compression ratio ....................................................................................................................................... 8.5:1
Firing order ............................................................................................................................................. 1-3-2-4
Spark occurs, degrees BTC..............................................................................................................................25
Valve rocker clearance (hydraulic tappets collapsed) ......................................................................... .028-.080
Propeller drive ratio ....................................................................................................................................... 1-1
Propeller driven rotation (viewed from rear) ......................................................................................Clockwise
* - O-360-C2D only. Take-off rating 180 HP @ 2900 RPM and 28 in. hg.
O-360-B, -D Series
FAA Type Certificate ....................................................................................................................................286
Rated horsepower...........................................................................................................................................168
Rated speed, RPM........................................................................................................................................2700
Bore, inches.................................................................................................................................................5.125
Stroke, inches..............................................................................................................................................4.375
Displacement, cubic inches.........................................................................................................................361.0
Compression ratio ....................................................................................................................................... 7.2:1
Firing order ............................................................................................................................................. 1-3-2-4
Spark occurs, degrees BTC..............................................................................................................................25
Valve rocker clearance (hydraulic tappets collapsed) ......................................................................... .028-.080
Propeller drive ratio ....................................................................................................................................... 1:1
Propeller driven rotation (viewed from rear) ......................................................................................Clockwise
O-360-J2A
FAA Type Certificate ....................................................................................................................................286
Rated horsepower...........................................................................................................................................145
Rated speed, RPM....................................................................................................................... 2400 thru 2700
Bore, inches.................................................................................................................................................5.125
Stroke, inches..............................................................................................................................................4.375
Displacement, cubic inches.........................................................................................................................361.0
Compression ratio ....................................................................................................................................... 8.5:1
Firing order ............................................................................................................................................. 1-3-2-4
Spark occurs, degrees BTC..............................................................................................................................25
Valve rocker clearance (hydraulic tappets collapsed) ......................................................................... .028-.080
Propeller drive ratio ....................................................................................................................................... 1:1
Propeller driven rotation (viewed from rear) ......................................................................................Clockwise
2-1

Lycoming IO-360 Series Specifications

General

Oil System	Wet Sump
Engine Type	Horizontally Opposed, 4-Cylinder, Air Cooled
Displacement	361 cubic inches (5.9 liters)
Bore	5.125 in (130.2 mm)
Stroke	4.375 inches (111.1 mm)
Cooling System	Air Cooled