1981 Volvo DL, GL and GLT
equipped with Lambda-sond® system and 3-way catalytic converter). Closed crankcase ventilation
system and evaporative emission control system.
Type designation
B21 F
B 21 F Turbo
B21 A (Canada)
B 23 E
(Canada)
Output (SAE J 245) at/
rpm
107 hp/5500*)
126 hp/5400
96 hp/5250
136 hp/5500
Max. torque (SAE J
245) at rpm
114 ft.Ibs.=154
Nm /2500**)
150 ft.Ibs.=0
Nm/3750
121 ft.Ibs.=163
Nm/2500
135 ft.Ibs.=183
Nm/4500
Number of cylinders
4
4
4
4
Bore
3.62" (92 mm)
3.62" (92 mm) 3.62" (92 mm)
3.78" (96 mm)
Stroke
3.15" (80 mm)
3.15" (80 mm) 3.15" (80 mm)
3.15" (80 mm)
Displacement
2.13 liters
2.13 liters
2.13 liters
2.32 liters
Compression ratio
9.3
7.5
8.5
10
Valves
overhead
overhead
overhead
overhead
Valve clearance, inlet
and exhaust at normal
operating temp.
0.012-0.020" (0.30-0.50 mm) when checking
0.016-0.018" (0.40-0.45 mm) when adjusting
*) MPG version 99 hp/5000
**) MPG version 114 ft. lbs = 154 Nm/3000 rpm
Cars with catalytic converter: 114 ft. lbs = 154 Nm/2500 rpm
Cooling system
Type:
Positive pressure, closed system
Thermostat begins to
open at
189°F (87°C)
189°F (87°C)
197°F (92°C)
189°F (87°C)
fully open at
207°F (97°C)
207°F (97°C)
215°F (102°C)
207°F (97°C)
Fan belts, designation
HC-38 X 925
HC-38 X 925
HC-38 X 925
HC-38 X 925
Fuel System
Fuel injection CI-
system
Fuel injection
CI-system
Carburetor SU
Fuel injection
CI-system
pg. 91 Specifications
Ignition System
Firing order 1-3-4-2
Ignition setting, vacuum regulator disconnected
Engine B 21 A
12°+/-2° BTDC at 750+/-50 rpm
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