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Jeep 360 specs: 360 ci (5.9L) 8-cylinder, 4.13 x 3.409 in (104.9 x 86.6 mm) bore and stroke, 8.2:1 compression. Rated 175 hp. OHV. Rod ratio and piston speed.
The Jeep AMC V8 (360) is oversquare — the 4.1299" bore exceeds the 3.4094" stroke by 21.1% — a layout that favors airflow and RPM over leverage at the crank. The 3.4094" stroke does not reach 4,000 ft/min of mean piston speed until about 7,050 RPM, so piston speed is not what limits this engine's revs — valvetrain and breathing are. Each of the 8 cylinders displaces 45.0 ci (737 cc).
8.2:1 on iron heads is low by modern standards and generally happy on regular pump fuel.
It is one of 7 engines in the AMC V8 family, sitting between the 304 ci and 401 ci members. Factory fitments include the Jeep Grand Wagoneer, Jeep J-Series, Jeep Cherokee (SJ) and 6 others.
| Displacement | 360 ci / 5.9 L |
|---|---|
| Bore | 4.1299" |
| Stroke | 3.4094" |
| Cylinders | 8 |
| Compression ratio | 8.2:1 |
| Bore/stroke ratio | 1.211 |
| Block material | cast iron |
|---|---|
| Head material | cast iron |
| Valvetrain | OHV |
| Fuel type | gas |
| Advertised HP | 175 hp |
| Bore/stroke character | 1.211 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
|---|---|
| Mean piston speed at 6,000 RPM | 3,409 ft/min — conservative for a street engine |
| Displacement per cylinder | 45.0 ci |
| Static compression | 8.2:1 — low by modern standards, generally happy on regular pump fuel |
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