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Technical specification
Year1976-1979
Type1
Identification letterAS
Engine code1/1600
kW37
BHP50
RPM4000
No. of cylinders4 (OHV)
Capacity (Fiscal)[cc]1584 (1573)
Compression Ratio7.5
Siutable for unleaded petrol (+ = Yes, - = No)+
Minimum octane rating91
Ignition systemSZ, CB
Fuel systemSolex 31 Pict
Ignition system
Ignition coilBosch 0 221 123 007
Ignition coil supply voltage[V]11
Primary resistance[Ohm]2.6-3.6
Firing order1-4-3-2
Distributor (ECM)Bosch 0 231 170 186
Contact breaker gap / trigger air gap[mm]0.4
Dwell angle[°] (%)44-50 (49-56)
Tuning and emission
Ignition timing (o = without vacuum, + = with vacuum)o
Ignition timing - basic BTDC[rpm]7.5±1/875
Ignition advanceWithout vacuum and basic timing
Ignition advance checks7-11/1500
Ignition advance checks11-15/2200
Ignition advance checks20-23/3600
Vacuum check (+ = advance, - = retard)+
Vacuum range8-12
Vacuum starts[mbar]67
Vacuum ends[mbar]265
Idle speed[rpm]875±75
Oil temperature for CO2 test[°C]60
CO level @ idle speed, tailpipe[%]2.0±1.0
HC level @ idle speed[ppm]500
CO2 level @ idle speed[%]13-16
O2 level @ idle speed[%]0.5-2.0
Spark plugs
Spark plugsBosch W8AC
Electrode gap[mm]0.6
Spark plugsChampion L86CC
Electrode gap[mm]0.8
Spark plugsNGK B5HS
Electrode gap[mm]0.7
Fuel system
Fuel pump delivery pressure[bar]0.24
Service checks and adjustments
Valve clearance - Inlet[mm]0.15 cold
Valve clearance - Exhaust[mm]0.15 cold
Compression Pressure[bar]8-10
Oil pressure[bar/rpm]2.0/2000
Thermostat opens[°C]65-70
Drive belt size - alternator[mm]9.5x900
Drive belt tension - alternator/PAS/AC[mm]5
Lubricants and capacities
Engine oil grade (moderate climate)10W/40
Engine oil classificationSG
Engine with filter[l]2.5
Gearbox 4/5 speed[l]2.5
Automatic transmission[l]3.6
Tightening torques
Cylinder head[Nm]10 / 32
Big end bearings[Nm]16 / 33
Flywheel / Driveplate[Nm]300
Spark plugs[Nm]35
Road wheels[Nm]120-130
Starting and charging
Battery12/60
Starter motorBosch 0 001 211 993
Minimum starting voltage[V]9
Maximum cranking amps[A]103-125
Alternator / RegulatorBosch 0 120 489 565
Alternator output[A/V/RPM]30/14/3000
Voltage regulator0 192 052 007
Regulated voltage[V]13.7-14.5
Dimensions
Wheelbase[mm]2420
Track front/rear[mm]1375/1379
Tightening torque - steel wheels[Nm]120-130
Tightening torque - alloy wheels[Nm]120-130
Checking range - Front wheels
Load positioningunladen
Toe-in (N = negative, toe-out)[mm]2-5
Toe-in[°]0°15'-0°45'
Toe-in[°-1/100]0.50N-1P
Camber[°]0°20'-1°20'
Camber[°-1/100]0.33-1.33
Castor[°]1°25'-2°35'
Castor[°-1/100]1.42-2.58
Checking range - Four wheels
Load positioningunladen
Toe-in (N = negative, toe-out)[mm]2.75±0.25
Toe-in[°]0°30'±15'
Toe-in[°-1/100]0.50±0.25
Camber[°]1°±20'/-40'
Camber[°-1/100]1±0.33/-0.67
Tolerance left/right[°]0°30'
Tolerance left/right[°-1/100]0.50
Castor[°]2°±35'
Castor[°-1/100]2±0.58
Castor adjustmentNot adjustable
KPI (SAI)[°]12°30'
KPI (SAI)[°-1/100]12.5
Included angle[°]13°30'
Included angle[°-1/100]13.50
Toe-out on turns @ 20'[°]0°30'
Toe-out on turns @ 20'[°-1/100]0.5
Lock angles - max. inner[°]40°
Lock angles - max. inner[°-1/100]40
Lock angles - max. outer[°]35°
Lock angles - max. outer[°-1/100]35
Rear toe-in[mm]0±2
Rear toe-in[°]0°±15'
Rear toe-in[°-1/100]0±0.25
Rear toe-in adjustmentNot adjustable
Rear camber[°]1°20'N±40'
Rear camber[°-1/100]1.33N±0.67

Tags

aircooled, engine, 1600cc, specification