Lincoln Modular InTech 10.5:1 Specs
Lincoln Modular InTech · 3.386" × 3.307" · 10.5:1 engine specs: 238 ci (3.9L), 8-cylinder, 3.3858" bore x 3.3071" stroke, 10.5:1 compression.
Dimensions
| Displacement | 238 ci / 3.9 L |
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| Bore | 3.3858" |
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| Stroke | 3.3071" |
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| Cylinders | 8 |
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| Compression ratio | 10.5:1 |
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| Bore/stroke ratio | 1.024 |
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Construction
| Block material | aluminum |
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| Head material | aluminum |
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| Valvetrain | DOHC |
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| Fuel type | gas |
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| Advertised HP | 252–280 hp |
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What these numbers mean
| Bore/stroke character | 1.024 — square — bore and stroke are within 5%, a balanced compromise |
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| Mean piston speed at 6,000 RPM | 3,307 ft/min — conservative for a street engine |
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| Displacement per cylinder | 29.8 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 (2)
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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| — | 252 hp | 3.9 DOHC |
| — | 280 hp | 3.9 DOHC VVT |
Vehicles (1)
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