Installation & Operation Manual
O-360 and IO-360 Series Engines
© March 2004 Superior Air Parts Inc. Chapter 1 • Engine Description
3
4. ENGINE COMPONENTS GENERAL
DESCRIPTION
The O-360 and IO-360 series engines are air-cooled,
four cylinder, horizontally opposed, direct drive
engines. See Table 1-1 for Manufacturer’s General
Specifications.
A. The complete engine includes the following
components and assemblies:
1. Crankcase Assembly
2. Crankshaft Assembly
3. Camshaft Assembly
4. Valve Train Assembly
5. Cylinder Assemblies
6. Connecting Rod Assemblies
7. Oil Sump Assembly
8. Inter Cylinder Baffles
9. Starter
10. Lubrication System (includes oil filter)
11. Accessory Drive
12. Ignition System (includes spark plugs)
13. Fuel System
14. Starter Support Assembly
15. Oil Gage
16. Induction System
17. Accessories
Note:
Complete engine does not include
outer cylinder baffles, propeller governor,
and airframe to engine control cables,
attaching hardware, hose clamps, vacuum
pump, exhaust system, fittings or alternator.
B. Specifications
The manufacturer’s physical specifications
are listed in Table 1-2 are applicable to the
O-360 and IO-360 series engines. See
Model Specification Data (MSD) for more
specific information.
Table 1-1 • Manufacturer’s General Specifications
Model O-360 and IO-360
Rated Power Hp 180
Rated Speed, RPM RPM 2700
Bore, inches In 5.125
Stroke, inches In 4.375
Displacement cubic inches In
3
361.0
Compression Ratio 8.5:1
Firing Order 1-3-2-4
Spark timing °BTDC 25
Propeller drive ratio 1:1
Propeller drive rotation
(viewed from rear)
Clockwise
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