| Parameter | Engine model | |||
| DR | DS | NP | WH | |
| Number of cylinders |
4
|
4
|
4
|
5
|
| Cylinder diameter, mm |
81,0
|
81,0
|
81,0
|
79,5
|
| Piston stroke, mm |
86,4
|
86,4
|
86,4
|
77,4
|
| Working volume, cm³ |
1781
|
1781
|
1781
|
1921
|
| Compression ratio |
8,8
|
10,0
|
10,0
|
10,0
|
| Rated power, kW (hp)/ Crankshaft speed, min⁻¹ |
55 (75)/ 4500
|
60 (90)/ 5200
|
66 (90)/ 5200
|
74 (100)/ 5600
|
| Maximum torque torque, N·m / Crankshaft speed, min⁻¹ |
138/ 2500
|
145/ 3300
|
150/ 3300
|
150/ 3300
|
| Cylinder firing order |
1–3–4–2
|
1–2–4–5–3
| ||
| Cylinder block |
Cast iron sleeveless
| |||
| Cylinder head |
Made of aluminum alloy, guides are pressed into the head
valve bushings and seats
| |||
| Pistons |
Made of aluminum alloy with steel inserts with two
compression and one oil scraper ring
| |||
| Crankshaft |
Steel forged
| |||
| Intake valve timing, deg: | ||||
| – opening before TDC |
5
|
1
|
3
|
0,5
|
| - closing after NMT |
21
|
37
|
33
|
36,5
|
| Exhaust valve timing, deg: | ||||
| - opening before NMT |
41
|
42
|
41
|
37
|
| - closing after TDC |
3
|
2
|
5
|
1
|
| Clearance between camshaft cams and adjusting valve washers on a cold engine (at cylinder head temperature 20°C), mm: | ||||
| - intake valves |
0,2±0,05
|
0,2±0,05*
|
–
|
0,2±0,05
|
| - exhaust valves |
0,4±0,05
|
0,4±0,05
|
–
|
0,4±0,05
|
| Oil filter |
Champions
| |||
| Oil pressure in the engine lubrication system, kg/cm²: | ||||
| - at idle |
0,3±0,15
|
0,3±0,15
|
0,3±0,15
|
From 0.15 to 0.45
|
| at rotation speed crankshaft 2000 min⁻¹ |
1,8±0,2
|
1,8±0,2
|
1,8±0,2
|
2,0
|
| Air filter |
Mann C2852/2 or Purflux A460
|
Mann C22117 or Purflux A515
| ||
| Fuel pump |
Mechanical diaphragm type
pierburg brands |
Mechanical
diaphragm type cue | ||
| Carburetor |
Pierburg 1B3
|
Pierburg 2E2
|
Keihin 26-30DC
|
Keihin
|
| Fuel injection system |
–
|
–
|
–
|
–
|
| Ignition system |
Contactless with sensor-distributor, ignition coil
and the switch
| |||
| Ignition advance angle, deg |
18±1
|
18±1
|
18±1
|
18±1
|
| Spark plugs |
Bosch W7D, W7DC, W8D, W8DC;
Beru 14-7D, 14-7DU, 14-8D, 14-8DU; Champion N8Y, N10Y |
Bosch W6DO, Beru 14-6DU, Champion N79Y
|
Bosch W6DO, Beru 14-6DU, Champion N79Y
|
Bosch W6DO, Beru 14-6D, Champion N7Y
|
| Gap between spark plug electrodes, mm |
0,6 – 0,8
|
0,8 – 0,9
|
0,8 – 0,9
|
0,8 – 0,9
|
| * For vehicles with automatic transmission. | ||||
| Parameter | Engine model | ||||
| KP | WC | KU | RT | NF | |
| Number of cylinders |
5
|
5
|
5
|
5
|
5
|
| Cylinder diameter, mm |
81,0
|
79,5
|
81,0
|
81,0
|
82,5
|
| Piston stroke, mm |
77,4
|
86,4
|
86,4
|
77,4
|
86,4
|
| Working volume, cm³ |
1994
|
2144
|
2226
|
1994
|
2309
|
| Compression ratio |
10,0
|
9,3
|
10,0
|
10,0
|
10,0
|
| Rated power, kW (hp)/ Crankshaft speed, min⁻¹ |
85 (115)/ 5200
|
100 (136)/ 5700
|
101 (138)/ 5700
|
85 (115)/ 5200
|
98 (133)/ 5600
|
| Maximum torque torque, N·m / Crankshaft speed, min⁻¹ |
170/ 3000
|
185/ 4800
|
185/ 3500
|
170/ 3000
|
186/ 4000
|
| Cylinder firing order |
1–2–4–5–3
| ||||
| Cylinder block |
Cast iron sleeveless
| ||||
| Cylinder head | Made of aluminum alloy, guides are pressed into the head valve bushings and seats | ||||
| Pistons |
Made of aluminum alloy with steel inserts with two
compression and one oil scraper ring
| ||||
| Crankshaft |
Steel forged
| ||||
| Intake valve timing, deg: | |||||
| – opening before TDC |
1
|
2,5
|
0
|
2
|
3,9
|
| - closing after NMT |
37
|
52,5
|
41
|
31
|
41,2
|
| Exhaust valve timing, deg: | |||||
| - opening before NMT |
37
|
48
|
40
|
31
|
45,9
|
| - closing after TDC |
1
|
6
|
1
|
2
|
4,9
|
| Clearance between camshaft cams and adjusting valve washers on a cold engine (at cylinder head temperature 20°C), mm: | |||||
| - intake valves |
–
|
0,2±0,05
|
–
|
–
|
–
|
| - exhaust valves |
–
|
0,4±0,05
|
–
|
–
|
–
|
| Oil filter |
Champions
| ||||
| Oil pressure in the engine lubrication system, kgf/cm²: | |||||
| - at idle |
From 0.15 to 0.45
|
From 0.15 to 0.45
|
From 0.15 to 0.45
|
From 0.15 to 0.45
|
From 0.15 to 0.45
|
| – at rotation speed crankshaft 2000 min⁻¹ |
2,0
|
2,0
|
2,0
|
2,0
|
2,0
|
| Air filter |
Mann C22117 or Purflux A515
|
Bosch
| |||
| Fuel pump |
Electric submersible type brand Bosch
|
Electric-
czech brand Bosch | |||
| Carburetor |
–
|
–
|
–
|
–
|
–
|
| Fuel injection system |
Mechanical R-Jetronic system from Bosch
|
Mechanics
kE-Jetronic system from Bosch | |||
| Ignition system |
Contactless with sensor-distributor, ignition coil
and the switch
|
Electron-
type VEZ from Bosch | |||
| Ignition advance angle, deg |
18±1
|
18±1
|
18±1
|
18±1
|
15±1
|
| Spark plugs |
Bosch W6DO, Beru 14-6DU, Champion N79Y
|
Bosch W6D, W6DO, Beru 14-6DU, Champion N79Y
|
Bosch W6DC, Beru 14-6DU, Champion N7YC
|
Bosch W7DTC, Beru 14-7DTU, Champion N7BYC
|
Bosch W7DTC, Beru 14-7DTU
|
| Gap between spark plug electrodes, mm |
0,7 – 0,8
|
0,8 – 0,9
|
0,8 – 0,9
|
0,7 – 0,9
|
0,7 – 0,9
|
In DC type engines produced since September 1985, NP, KU, NF hydraulic valve lifters are installed.
The article was copied from the website AudiManual.ru