Mazda KL-DE (Miller Cycle) Specs
Mazda KL-DE (Miller Cycle) engine specs: 137.6 ci (2.255L), 6-cylinder, 3.3268" bore x 2.6378" stroke, 8:1 compression.
Dimensions
| Displacement | 137.6 ci / 2.255 L |
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| Bore | 3.3268" |
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| Stroke | 2.6378" |
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| Cylinders | 6 |
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| Compression ratio | 8:1 |
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| Bore/stroke ratio | 1.261 |
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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 | 210 hp |
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What these numbers mean
| Bore/stroke character | 1.261 — oversquare — bore exceeds stroke, which favours higher RPM and larger valves |
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| Mean piston speed at 6,000 RPM | 2,638 ft/min — conservative for a street engine |
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| Displacement per cylinder | 22.9 ci |
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| Static compression | 8:1 — low by modern standards, generally happy on regular pump fuel |
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