Audi CEUC, CTFA, CWUB, CWUC Specs
Audi CEUC, CTFA, CWUB, CWUC engine specs: 244.1 ci (4L), 8-cylinder, 3.3268" bore x 3.5039" stroke, 10.1:1 compression.
Dimensions
| Displacement | 244.1 ci / 4 L |
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| Bore | 3.3268" |
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| Stroke | 3.5039" |
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| Cylinders | 8 |
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| Compression ratio | 10.1:1 |
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| Bore/stroke ratio | 0.949 |
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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 | 420 hp |
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What these numbers mean
| Bore/stroke character | 0.949 — undersquare — stroke exceeds bore, which favours low-end torque |
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| Mean piston speed at 6,000 RPM | 3,504 ft/min — in the range typical of performance street engines |
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| Displacement per cylinder | 30.5 ci |
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| Static compression | 10.1:1 — in the range that usually runs on pump premium |
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Vehicles (3)
- Audi S6 (C7)
- Audi S7 (C7)
- Audi S8 (D4)
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