Lycoming IO-360 Series User Manual

SECTION 2 LYCOMING OPERATOR’S MANUAL
SPECIFICATIONS O-360 AND ASSOCIATED MODELS
SPECIFICATIONS (CONT.)
HO-360-A, -C
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
HO-360-B Series
FAA Type Certificate ....................................................................................................................................286
Rated horsepower...........................................................................................................................................180
Rated speed, RPM........................................................................................................................................2900
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
IO-360-L2A*
FAA Type Certificate ................................................................................................................................. 1E10
Rated horsepower...........................................................................................................................................160
Rated speed, RPM........................................................................................................................................2400
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
* - This engine has an alternate rating of 180 HP at 2700 RPM.
2-2

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