Mazda 20B-REW Specs
Mazda 20B-REW engine specs: 119.7 ci (1.962L), 3-cylinder, 4.1339" bore x 3.1496" stroke, 9:1 compression.
Dimensions
| Displacement | 119.7 ci / 1.962 L |
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| Bore | 4.1339" |
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| Stroke | 3.1496" |
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| Cylinders | 3 |
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| Compression ratio | 9:1 |
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| Bore/stroke ratio | 1.313 |
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Construction
| Block material | aluminum |
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| Head material | aluminum |
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| Valvetrain | Rotary |
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| Fuel type | gas |
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| Advertised HP | 280 hp |
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What these numbers mean
| Bore/stroke character | 1.313 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
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| Mean piston speed at 6,000 RPM | 3,150 ft/min — conservative for a street engine |
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| Displacement per cylinder | 39.9 ci |
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| Static compression | 9:1 — low by modern standards, generally happy on regular pump fuel |
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