Mercury 2.3L Turbo I4 Specs
Mercury 2.3L Turbo I4 engine specs: 140 ci (2.3L), 4-cylinder, 3.7795" bore x 3.126" stroke, 8:1 compression.
Dimensions
| Displacement | 140 ci / 2.3 L |
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| Bore | 3.7795" |
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| Stroke | 3.126" |
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| Cylinders | 4 |
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| Compression ratio | 8:1 |
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| Bore/stroke ratio | 1.209 |
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Construction
| Block material | cast iron |
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| Head material | cast iron |
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| Valvetrain | SOHC |
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| Fuel type | gas |
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| Advertised HP | 145 hp |
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What these numbers mean
| Bore/stroke character | 1.209 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
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| Mean piston speed at 6,000 RPM | 3,126 ft/min — conservative for a street engine |
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| Displacement per cylinder | 35.0 ci |
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| Static compression | 8:1 — low by modern standards, generally happy on regular pump fuel |
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Vehicles (2)
- Mercury Capri
- Mercury Cougar
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