Audi ACK, ALG, APR, AQD, ATX Specs
Audi ACK, ALG, APR, AQD, ATX engine specs: 170.9 ci (2.8L), 6-cylinder, 3.189" bore x 3.5433" stroke, 10.3:1 compression.
Dimensions
| Displacement | 170.9 ci / 2.8 L |
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| Bore | 3.189" |
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| Stroke | 3.5433" |
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| Cylinders | 6 |
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| Compression ratio | 10.3:1 |
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| Bore/stroke ratio | 0.9 |
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Construction
| Block material | cast iron |
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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 hp |
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What these numbers mean
| Bore/stroke character | 0.900 — undersquare — stroke exceeds bore, which favours low-end torque |
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| Mean piston speed at 6,000 RPM | 3,543 ft/min — in the range typical of performance street engines |
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| Displacement per cylinder | 28.5 ci |
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| Static compression | 10.3:1 — in the range that usually runs on pump premium |
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Vehicles (3)
- Audi A4 (B5)
- Audi A6 (C5)
- Audi A8 (D2)
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