Chevrolet Ecotec 11.3:1 Specs
Chevrolet Ecotec · 3.465" × 4.000" · 11.3:1 engine specs: 150 ci (2.5L), 4-cylinder, 3.4646" bore x 4" stroke, 11.3:1 compression.
Dimensions
| Displacement | 150 ci / 2.5 L |
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| Bore | 3.4646" |
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| Stroke | 4" |
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| Cylinders | 4 |
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| Compression ratio | 11.3:1 |
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| Bore/stroke ratio | 0.866 |
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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 | 193–202 hp |
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What these numbers mean
| Bore/stroke character | 0.866 — undersquare — stroke exceeds bore, which favours low-end torque |
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| Mean piston speed at 6,000 RPM | 4,000 ft/min — in the range typical of performance street engines |
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| Displacement per cylinder | 37.5 ci |
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| Static compression | 11.3:1 — high enough that pump premium or better is normally required |
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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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| — | 193 hp | LCV |
| — | 202 hp | LKW |
Vehicles (5)
- Chevrolet Malibu
- Chevrolet Impala
- Buick LaCrosse
- Cadillac ATS
- Cadillac CTS
Similar engines
← All Ecotec engines