Ram Magnum 9.1:1 Specs
Ram Magnum · 4.000" × 3.598" · 9.1:1 engine specs: 360 ci (5.9L), 8-cylinder, 4" bore x 3.5984" stroke, 9.1:1 compression.
Dimensions
| Displacement | 360 ci / 5.9 L |
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| Bore | 4" |
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| Stroke | 3.5984" |
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| Cylinders | 8 |
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| Compression ratio | 9.1:1 |
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| Bore/stroke ratio | 1.112 |
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Construction
| Block material | cast iron |
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| Head material | cast iron |
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| Valvetrain | OHV |
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| Fuel type | gas |
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| Advertised HP | 245 hp |
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What these numbers mean
| Bore/stroke character | 1.112 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
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| Mean piston speed at 6,000 RPM | 3,598 ft/min — in the range typical of performance street engines |
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| Displacement per cylinder | 45.0 ci |
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| Static compression | 9.1:1 — low by modern standards, generally happy on regular pump fuel |
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Variants sharing these dimensions (2)
These records share identical bore, stroke, displacement and compression. They differ by model year and factory power rating.
| Year | Advertised HP | Code |
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| — | 245 hp | LA 5.9L |
| — | 245 hp | Magnum 5.9, 5.9L V8, EHC, 5.9L Magnum |
Vehicles (6)
- Ram 1500
- Ram 2500
- Ram 3500
- Dodge Ram 1500
- Dodge Ram 2500
- Dodge Durango
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