SECTION 3
LYCOMING OPERATOR’S MANUAL
OPERATING INSTRUCTIONS
O-360 AND ASSOCIATED MODELS
8. ENGINE FLIGHT CHART.
FUEL AND OIL
*Aviation Grade Fuel
Model Series
Minimum Grade
O-360-B, -D
80/87
O-360-A1P, -C1F, -C4F; HO-360-C1A
91/96
O-360-C, -F; HO-360-A, -B; IO-360-B, -E; HIO-360-B
91/96 or 100/130
O-360-J2A
91/96 or 100/100LL
IO-360-L2A, -M1A, -M1B
91/96 or 100LL
HIO-360-G1A
91/96 or 100LL
O-360-A, -C1G, -C4P, -A1H6; TIO-360-C1A6D
100/100LL
IO-360-B1G6, -C1G6, -J, -K2A, -A1D6D, -A3B6, -A3D6D;
HIO-360-A1B
100/100LL
AIO-360-A, -B; IO-360-A, -C, -D, -F
100/130
HIO-360-A, -C, -D, -E, -F
100/130
TIO-360-A
100/130
NOTE
Aviation grade 100LL fuels in which the lead content is limited to 2 c.c. per gal. are
approved for continuous use in the above listed engines.
* - Refer to latest revision of Service Instruction No. 1070.
FUEL PRESSURE, PSI
Model
Max.
Desired
Min.
O-360 Series (Except -A1C, -C2B,
-C2D); HO-360-A, -C Series
Inlet to carburetor
8.0
3.0
0.5
O-360-A1C, -C2B, -C1D;
HO-360-B Series
Inlet to carburetor
18
13
9.0
HIO-360-A1B
Inlet to fuel pump
30
-----
-2
IO-360 Series (Except -B1A, -F1A);
AIO-360 Series, HIO-360 Series
(Except -A1B)
Inlet to fuel pump
35
-----
-2
IO-360-F1A
Inlet to fuel pump
35
-----
-2
IO-360 Series (Except -B1A),
AIO-360 Series; HIO-360 Series
Inlet to fuel injector
45
14
IO-360-B1A
Inlet to fuel injector
2
-2
3-10