Plymouth V Specs
Plymouth V engine specs: 440 ci (7.2L), 8-cylinder, 4.3189" bore x 3.752" stroke, 10.5:1 compression.
Dimensions
| Displacement | 440 ci / 7.2 L |
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| Bore | 4.3189" |
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| Stroke | 3.752" |
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| Cylinders | 8 |
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| Compression ratio | 10.5:1 |
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| Bore/stroke ratio | 1.151 |
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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 | 390 hp |
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What these numbers mean
| Bore/stroke character | 1.151 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
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| Mean piston speed at 6,000 RPM | 3,752 ft/min — in the range typical of performance street engines |
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| Displacement per cylinder | 55.0 ci |
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| Static compression | 10.5:1 — in the range that usually runs on pump premium |
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Variants sharing these dimensions (3)
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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| — | 390 hp | V |
| — | 390 hp | V |
| — | 390 hp | 440 Six-Pack, E, G, V |
Vehicles (4)
- Plymouth Road Runner
- Plymouth 'Cuda
- Plymouth Superbird
- Plymouth GTX
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