LYCOMING OPERATOR’S MANUAL
SECTION 2
O-360 AND ASSOCIATED MODELS
SPECIFICATIONS
TIO-360-C Series
FAA Type Certificate ..............................................................................................................................E16EA
Rated horsepower...........................................................................................................................................210
Rated speed, RPM........................................................................................................................................2575
Bore, inches.................................................................................................................................................5.125
Stroke, inches..............................................................................................................................................4.375
Displacement, cubic inches.........................................................................................................................361.0
Compression ratio ....................................................................................................................................... 7.3:1
Firing order ............................................................................................................................................. 1-3-2-4
Spark occurs, degrees BTC..............................................................................................................................20
Valve rocker clearance (hydraulic tappets collapsed) ......................................................................... .028-.080
Propeller drive ratio ....................................................................................................................................... 1:1
Propeller driven rotation (viewed from rear) ......................................................................................Clockwise
*Accessory Drive
Drive Ratio
**Direction of Rotation
Starter
16.556:1
Counterclockwise
Generator
1.910:1
Clockwise
Generator
2.500:1
Clockwise
Alternator***
3.20:1
Clockwise
Tachometer
0.500:1
Clockwise
Magneto
1.000:1
Clockwise
Vacuum Pump
1.300:1
Counterclockwise
Propeller Governor (Rear Mounted)
0.866:1
Clockwise
Propeller Governor (Front Mounted)
0.895:1
Clockwise
Fuel Pump AN20010
0.866:1
Counterclockwise
Fuel Pump AN20003
1.000:1
Counterclockwise
Fuel Pump Plunger Operated Dual Drives
0.500:1
Vacuum Hydraulic Pump
1.300:1
Counterclockwise
Vacuum Prop. Governor
1.300:1
Counterclockwise
* - When applicable.
** - Viewed facing drive pad.
*** - HIO-360-D1A Alternator drive is 2.50:1.
- TIO-360-C1A6D, HIO-360-E, -F
have clockwise fuel pump drive.
NOTE
Engines with letter “L” in prefix will have opposite rotation to the above.
DETAIL WEIGHTS
1. ENGINE, STANDARD, DRY WEIGHT.
Includes carburetor or fuel injector, magnetos, spark plugs, ignition harness, intercylinder baffles,
tachometer drive, starter and generator or alternator drive, starter and generator or alternator with mounting
bracket. Turbocharged models include turbocharger, mounting bracket, exhaust manifold, controls, oil lines
and baffles.
2-7
