Plymouth RG Specs
Plymouth RG engine specs: 198 ci (3.2L), 6-cylinder, 3.4016" bore x 3.5591" stroke, 8.4:1 compression.
Dimensions
| Displacement | 198 ci / 3.2 L |
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| Bore | 3.4016" |
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| Stroke | 3.5591" |
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| Cylinders | 6 |
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| Compression ratio | 8.4:1 |
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| Bore/stroke ratio | 0.956 |
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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 | 125 hp |
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What these numbers mean
| Bore/stroke character | 0.956 — square — bore and stroke are within 5%, a balanced compromise |
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| Mean piston speed at 6,000 RPM | 3,559 ft/min — in the range typical of performance street engines |
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| Displacement per cylinder | 33.0 ci |
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| Static compression | 8.4:1 — low by modern standards, generally happy on regular pump fuel |
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Vehicles (2)
- Plymouth Valiant
- Plymouth Duster
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