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Evolution of the Porsche 928
in Australia


Compiled by Eddy Sain

I hope this series of articles will provide some interest and perhaps answer some questions normally raised by 928 enthusiasts and potential owners in Australia. I think it will very much help someone to select their next 928 or a new chum looking for one. - Eddy Sain '91 S4

April 2007 - Added 'Additonal Information'. Thanks to Paul R. Smith (NZ)

Original Price Lists
Who Drives the 928?

Evolution
Click on a YEAR to go to that year's shark specifications

YEAR
928
928S
928S4
928GT
928GTS

'78 '79


       

'80 '82



     

'83 '84 '85

 
     

'86

 
     

'87 '88

   
   

'89 '90 '91

   

 

'92 '93 '94 '95

       

 

 

YEAR MODEL IMPORTED ENG CAP KW/HP ENG VIN SER

1978

928 9 4.5 176/240 818 9288


MODEL CHANGES

  • Model Introduction
  • No side protector strips
  • 1 RR fog lamp in bumper
  • Chequered seats ( Pasha)
  • 7x16 cast telephone wheels
  • Separate battery box
  • Centre dash vent with fine grills and knob
  • Hazard switch and seat belt warning on console
  • Rear wiper control knob on binnacle
  • Vacuum controlled A/C and central locking
  • "Clip on" tool kit
  • Central informer on console
  • Horizontal type instruments
  • Colours, Petrol blue, silver, white and talbot yellow

 


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YEAR MODEL IMPORTED ENG CAP KW/HP ENG VIN SER
1979 928 57 4.5 176/240 819 9289


MODEL CHANGES

  • "Basic equipment model" - no detergent washing
  • Headlamp washers
  • Cruise control
  • Heavy seat bolstering
  • Rear blind, auto aircond etc.
  • Vertical reading ( current model) instruments including central informer
  • Integral battery box
  • Dash vent-heavy grilles and knob deleted

 


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YEAR MODEL IMPORTED ENG CAP KW/HP ENG VIN SER
1980 928 65 4.5 176/240 800 92AO80


MODEL CHANGES

  • Electrical central locking and A/C system
  • Door protector strips optional
  • Red door safety light
  • 7x15 inch wheels and 215 tyres
  • High compression engines
  • Relocation of some switches to binnacle
  • And console ( rear wiper, trip reset)

Additional Information

  • Oil pump housing changed from cast iron to being part of the block

MORE 1980

YEAR MODEL IMPORTED ENG CAP KW/HP ENG VIN SER
1980 928S 30 4.7 221/300 820 92AO82


MODEL CHANGES

  • Front and rear spoilers
  • Forged 16 inch wheels
  • Heavy bolstered seats
  • Twin exhaust system
  • Front floating ( first) calipers and larger directional slotted discs
  • Air ducting to front brakes
  • Auto A/C
  • Detergent wash
  • Headlamp washers
  • Leather dash

 


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YEAR MODEL IMPORTED ENG CAP KW/HP ENG VIN SER
1981 928 73 4.5 176/240 821 92BS80


MODEL CHANGES

  • Venturi intake tubes
  • Fuel head and capsule/valve
  • Berber seat material
  • Oil pick-up changed slightly

 

MORE 1981

YEAR MODEL IMPORTED ENG CAP KW/HP ENG VIN SER
1981 928S 40 4.7 221/300 821 92BS84


MODEL CHANGES

  • Leather seats

 


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YEAR MODEL IMPORTED ENG CAP KW/HP ENG VIN SER
1982 928 74 4.5 176/240 80C 92CS84


MODEL CHANGES

  • ECO A/C control
  • Boot hatch light
  • First calipers
  • Fuel consumption gauge in tacho

 

MORE 1982

YEAR MODEL IMPORTED ENG CAP KW/HP ENG VIN SER
1982 928S 57 4.7 221/300 82C 92CS84


MODEL CHANGES

  • Reverse gear lock out
  • Friction welded outer CV joints
  • 90 amp alternator with poly rib belt
  • 88 AH battery

Additional Information

  • No.1 main bearing changed from two to one piece (full groove).
  • One way valves added to oil passage in heads.
  • Oil return passage from the oil-pump seal goes to sump rather than to pump inlet (to prevent the pump sucking in air.
  • Oil pressure relief valve vent bore modified, again to prevent suction of air. (The vent bore prevents any pressure build up behind the piston which would prevent the valve from opening).
  • Pressure relief valve piston with a seal available as a spare part, again to prevent suction of air, specifically for people who report rattling tappets.

 


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YEAR MODEL IMPORTED ENG CAP KW/HP ENG VIN SER
1983 928S 116 4.7 221/300 82D 92DS84


MODEL CHANGES

  • 928 Deleted
  • Coloured instrument binnacle
  • 4 spoke 928S steering wheel
  • Side protectors standard
  • Cast wheels standard - optional forged
  • Hydraulic belt tensioner
  • Hydraulic engine mounts
  • Engine mounted starter on cast iron bracket
  • Round tooth cam belts and gears
  • Oil pick-up changed to a simple style tube with a "funnel" and screen.

 


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YEAR MODEL IMPORTED ENG CAP KW/HP ENG VIN SER
1984 928S 116 4.7 228/310 82E 92ES84


MODEL CHANGES

  • Electrically heated washer jets
  • 4 speed auto transmission with front separate oil cooler
  • LH EZF ignition/injection
  • Adjustable front heights
  • ABS optional
  • Parcel tray under steering wheel
  • Modified central informer
  • Electric hatch release
  • Windows operating with doors open
  • Central locking from console buttons
  • Twin distributors
  • Fuel cooler

Additional Information

  • Wider thrust bearing surface
  • Crankshaft oil passages increase from 4 to 5 mm

 


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YEAR MODEL IMPORTED ENG CAP KW/HP ENG VIN SER
1985 928S 163 4.7 228/310 82F 92FS84


MODEL CHANGES

  • "Slim line" longer and lower seats with 4 way switches
  • Automatic gear indicator in tacho
  • Optional rear A/C
  • 4 Spoke steering wheel with Porsche embossed
  • Plastic front wheel arch guard
  • Borg Warner type synchro in manual transmission with shorter lighter gear shift
  • 115 amp alternator
  • Dust trap air intakes
  • Fan ventilation of hot stationary engine - switch on no. 2 intake tooth belt tension light
  • Modified CEL - wiring plugs
  • New generation wiring diagrams

Additional Information

  • All - Oil pump depth increased from 21 to 23 mm for better oil pressure at idle (can be retrofitted to '82 onwards)

 


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YEAR MODEL IMPORTED ENG CAP KW/HP ENG VIN SER
1986 928S 150 5.0 212/288 89G 92G84


MODEL CHANGES

  • 4 Valve quad cam engine
  • Revised intake manifold
  • Distributors on end of camshafts
  • Unleaded low octane engine with secondary air injection
  • ABS standard
  • 4 piston brake calipers
  • Silver forged wheels

Additional Information

  • 32 valve - Main bearings now only half grooved
    (no. 3 has no groove)
  • All - Main bearings have additional openings
    (at the ends of the grooves)

 


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YEAR MODEL IMPORTED ENG CAP KW/HP ENG VIN SER
1987 928S4 50 5.0 221/300 81H 92HS84


MODEL CHANGES

  • New look modern rounded body front and rear
  • Separate hinged rear spoiler
  • Deletion of front spoiler - underbody trays fitted to bring about ground effects cooling flaps for radiator
  • Twin electric fans
  • Revised "high-rise" induction manifold with resonance flap (flappy)
  • Knock control no adjustment of idle speed or CO
  • Single plate clutches
  • Larger front brake calipers
  • Asbestos free pads
  • 7 & 8 inch wheels 245 rear tyres
  • Intensive washer, reservoir in plenum chambers, seat and mirror memory

Additional Information

  • Piston oil spray jets added for a short time


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YEAR MODEL IMPORTED ENG CAP KW/HP ENG VIN SER
1988 928S4 77 5.0 221/300 81J 92JS84


MODEL CHANGES

  • Fixed rear spoiler
  • Seat memory standard
  • Injection/ignition available with flash code diagnosis and fault memory

 


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YEAR MODEL IMPORTED ENG CAP KW/HP ENG VIN SER
1989 928S4 101 5.0 235/320 81K 92KS84


MODEL CHANGES

  • Flashing snib alarm
  • Computerised instruments including dash diagnosis and additional stalks
  • Roof aerial
  • Solenoid type central locking
  • Tyre pressure control system
  • Bosch Hammer diagnosis
  • Diagnosis ignition circuit monitor

 

MORE 1989

YEAR MODEL IMPORTED ENG CAP KW/HP ENG VIN SER
1989 928GT 4 5.0 242/330 82K 92KS84


MODEL CHANGES

  • Revised heads
  • Revised camshafts
  • Club sport 8 x 9 inch forged wheels
  • Rear wheel spacers
  • LSD standard
  • Twin tail pipes
  • GT rear badge
  • Modifications to LH and EZK controls

 


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YEAR MODEL IMPORTED ENG CAP KW/HP ENG VIN SER
1990 928S4 50 5.0 235/320 81L 92LS84


MODEL CHANGES

  • Electrically adjusted headlamps
  • Trip reset and intensive cleaning buttons on front binnacle face
  • PSD ( electronic controlled LSD)
  • Twin pipe muffler ( same exhaust as GT)
  • Separate engine oil cooler under radiator
  • Trans cooler top
  • Window switch one touch control
  • Analogue clock
  • Single piece defroster vent
  • New central electric system (CEL)
  • Higher ratio pulley on Alternator
  • Same heads and intake as GT

 

MORE 1990

YEAR MODEL IMPORTED ENG CAP KW/HP ENG VIN SER
1990 928GT 18 5.0 242/330 82L 92L84


MODEL CHANGES

  • Standard cast "design 90" 7.5 and 9 inch rims
  • PSD

 


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YEAR MODEL IMPORTED ENG CAP KW/HP ENG VIN SER
1991 928S4 7 5.0 235/320 81M 92MS80


MODEL CHANGES

  • Flash code alarm snib
  • Recirculation A/C control position
  • Leather clad hand brake lever
  • Rear wheel arch full covers 3 dba quieter
  • Deletion speedo reed contacts
  • High output power steering pump
  • Deletion of radiator flaps
  • Wheels 7.5 x 8 with spacers
  • Oil cooler pressure relief by-pass deleted

 

MORE 1991

YEAR MODEL IMPORTED ENG CAP KW/HP ENG VIN SER
1991 928GT 2 5.0 242/330 82M 92MS80


MODEL CHANGES

  • Sporty gear lever

 


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YEAR MODEL IMPORTED ENG CAP KW/HP ENG VIN SER
1992 928GTS 7 5.4 257350 81N-A
81N-M
92NS80


MODEL CHANGES

  • Broad stance flared rear wheel arches
  • Rear full width reflector
  • Painted rear spoiler
  • 17" wheels cup design 7.5 x 9
  • Delete S4 & GT designation
  • Stronger gearbox
  • Rear wheel spacers
  • Larger 322mm discs front
  • Turbo style (tear drop) mirrors
  • Blaupunkt Symphony radio
  • Partial sump baffle added

 


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YEAR MODEL IMPORTED ENG CAP KW/HP ENG VIN SER
1993 928GTS 15 5.4 257/350 81P-A
81P-M
92PS80


MODEL CHANGES

  • Airbag drivers side
  • 134 A/C gas

 


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YEAR MODEL IMPORTED ENG CAP KW/HP ENG VIN SER
1994 928GTS 22 5.4 257/350 81R-A
81R-M
92RS80
'95 (unchanged) 15


MODEL CHANGES

  • Key lock
  • Dynamic kickdown
  • Particle filter
  • RDK (tyre pressure sensors) deleted
  • Blaupunkt London radio / CD

 

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