SP Engine - 1.9l Waterboxer.
 

 

Vehicle identification
capacity 1913cc³
number of cylinders/type 4/overhead valve
production run 1986-1989
output 54kW - 73bhp DIN @ 4600RPM
minimum octane rating 91 RON
ignition system transistorized hall effect
trigger location distributor
fuel system pierburg carburettor
type 2E3
description carburettor - twin venturi
Tuning and Emissions
ignition coil supply voltage 11 volts
primary resistance .52-.76 ohms
secondary resistance 2400 - 3500 ohms
firing order 1 - 4 - 3 - 2
distributor part number 0 237 024 035
ignition timing 5°±1° BTDC@900 rpm without vacuum see note at bottom of page
ignition advance checks 0°-1° @ 1160 RPM
  13°-17° @ 2400 RPM
  24°-28° @ 4200 RPM
vacuum advance range 12°-16° engine degrees
idle speed 900±50 RPM see note at bottom of page
oil temp for CO test 60°C
CO content @ idle 1.5±.5 % volume
HC content @ idle 300 parts per million
Service checks and adjustments.
Spark plugs Bosch W7DTC ( W7CCO 1985-1992)
electrode gap .6mm - .8mm
valve clearance hydraulic
compression pressure 10-13 bar (150 psi-195psi)
oil pressure 2 bar @ 2000RPM
Lubricants and capacities.
Engine oil grade 10W30 (SF)
engine oil capacity with filter 4.5 litres
gearbox oil grade 80W-90W
gearbox oil capacity 3 litres
autobox oil grade dexron (final drive type 90W)
autobox capacity 3 litres (final drive capacity .75 litres)
Tightening torques.
Cylinder head stage 1 10Nm
cylinder head stage 2 25Nm
cylinder head stage 3 50 Nm
big end bearings 45Nm (1987 onwards 30 Nm +180°)
flywheel use new bolts with locking compound - 60Nm + 90°
clutch to flywheel 20Nm
crank pulley single pulley 60Nm - 3 belt pulley 350Nm
rear hub nut 500Nm!
steering track rod end 30Nm
brake caliper to hub 35Nm
brake caliper carrier to hub fixed type caliper 160Nm - sliding caliper 270Nm
Brake disc and drum dimensions.
Minimum brake disc thickness 11mm
maximum drum diameter 253.5mm
   

 

Cylinder head tightening sequence

8
2
4
6
5
3
1
7

Notes.

When setting ignition timing on vehicles with DIS (digital idle stabilisation) the two connectors of the DIS unit must be removed and plugged together.

Disconnect engine crankcase breather and plug on side of air cleaner.

 
Other pages worth a visit.
Exhaust emissions

 

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Talent borrows, Genius steals, shit copies. MitDR