Ram 47 Powertech V8 Specs
Ram 47 Powertech V8 engine specs: 287 ci (4.7L), 8-cylinder, 3.6614" bore x 3.4134" stroke, 9:1 compression.
Dimensions
| Displacement | 287 ci / 4.7 L |
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| Bore | 3.6614" |
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| Stroke | 3.4134" |
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| Cylinders | 8 |
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| Compression ratio | 9:1 |
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| Bore/stroke ratio | 1.073 |
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Construction
| Block material | cast iron |
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| Head material | aluminum |
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| Valvetrain | SOHC |
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| Fuel type | gas |
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| Advertised HP | 235 hp |
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What these numbers mean
| Bore/stroke character | 1.073 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
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| Mean piston speed at 6,000 RPM | 3,413 ft/min — conservative for a street engine |
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| Displacement per cylinder | 35.9 ci |
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| Static compression | 9:1 — low by modern standards, generally happy on regular pump fuel |
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Vehicles (4)
- Dodge Ram 1500
- Dodge Dakota
- Dodge Durango
- Ram 1500
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