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