compression ratio AUDI A4 1997 B5 / 1.G Engine Overview Workshop Manual

1
Engine overview Code Letters
AFC
AEB
APB
AHA
ATQ
Manufactured from 11.94 11.94 09.99 02.97
Cylinders / valves per cylinder 6 / 2 4 / 5 6 / 5 6 / 5 6 / 5
Capacity liters 2.771 1.781 2.671 2.771 2.771
Output kW / rpm 128 / 5500 110 / 5700 187 / 5800 142 / 6000 142 / 6000
Torque Nm / rpm 245 / 3000
250 / 3000
1) 210 / 1750 258 /
1800-4500 280 / / 3200 280 / / 3200
Bore dia. - mm 82.5 81.0 81.0 82.5 82.5
Stroke mm 86.4 86.4 86.4 86.4 86.4
Compression ratio 10.3:1 9.5:1 9.3:1 10.6:1 9.9:1
Hyd. valve lifters Yes Yes Yes Yes Yes
Fuel and Ignition System Multi-Point Injection Motronic Motronic Motronic Motronic
Octane min.
95
2)
95
98
3)
98
3)

1) If unleaded premium plus 98 octane is used. 2) Unleaded premium plus 98 octane is also approved. 3) Unleaded 95 octane is also approved, though it yields less power.
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