Mercury 170 Specs
Mercury 170 engine specs: 170 ci (2.8L), 6-cylinder, 3.5" bore x 2.9409" stroke, 8.7:1 compression.
Dimensions
| Displacement | 170 ci / 2.8 L |
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| Bore | 3.5" |
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| Stroke | 2.9409" |
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| Cylinders | 6 |
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| Compression ratio | 8.7:1 |
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| Bore/stroke ratio | 1.19 |
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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 | 101 hp |
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What these numbers mean
| Bore/stroke character | 1.190 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
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| Mean piston speed at 6,000 RPM | 2,941 ft/min — conservative for a street engine |
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| Displacement per cylinder | 28.3 ci |
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| Static compression | 8.7:1 — low by modern standards, generally happy on regular pump fuel |
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Vehicles (4)
- Comet
- Montego
- Mercury Comet
- Mercury Montego
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