Installation & Operation Manual
O-360 and IO-360 Series Engines
© March 2004 Superior Air Parts Inc. Chapter 1 • Engine Description
2
Fuel System Type
IO Denotes Port Fuel Injection System and “opposed cylinder” arrangement.
O Denotes a carbureted system and “opposed cylinder” arrangement.
Cylinder Type
360 Parallel valve cylinder, 361 cubic inches.
Model Suffix
Denotes detail engine configuration
1
st
Digit Crankshaft & Propeller Type
A Fixed-Pitch, Thin-wall front main
B Constant-Speed, Thin-wall front main
2
nd
Digit Crankcase & Engine Mount Type
1 #1 Dynafocal Mount
2 #2 Dynafocal Mount
3 Conical Mount
3
rd
Digit Accessory Package
4
th
Digit Power Rating: Piston Compression Ratio
Fuel System Ignition System
Carbureted Fuel Injected
A Unison Magnetos Precision Carburetor Precision Fuel Injection
Cylinder Type
360
CR HP
1* - -
2 8.5:1 180
*For Future Use