Mazda 15 I4 Specs
Mazda 15 I4 engine specs: 91.3 ci (1.496L), 4-cylinder, 2.9331" bore x 3.378" stroke, 13:1 compression.
Dimensions
| Displacement | 91.3 ci / 1.496 L |
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| Bore | 2.9331" |
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| Stroke | 3.378" |
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| Cylinders | 4 |
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| Compression ratio | 13:1 |
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| Bore/stroke ratio | 0.868 |
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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 | 131 hp |
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What these numbers mean
| Bore/stroke character | 0.868 — undersquare — stroke exceeds bore, which favours low-end torque |
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| Mean piston speed at 6,000 RPM | 3,378 ft/min — conservative for a street engine |
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| Displacement per cylinder | 22.8 ci |
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| Static compression | 13:1 — high enough that pump premium or better is normally required |
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Vehicles (4)
- Mazda MX-5 Miata (ND)
- Mazda2
- Mazda3
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