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  1. #1
    PA Janitor Bob's Avatar
    Generation
    3rd Gen
    Model
    Si 4WS - B Spec
    Join Date
    Jan 2006
    Location
    Western Australia
    Posts
    11,091

    3rd Gen Specifications

    Built by Honda in Japan from: 1987(April) to 1991 (Sep)
    Australian deliveries from Sept 1987

    If you have any specs on the 3g which are useful post them up her and I'll start to compile a single post reference.
    Call it a work in progress.

    3g Parts Catalog

    http://www.prelude3g.com/

    Models:

    Series 1: 1988-1989
    Series 2: 1990-1991

    AUD models (KQ):
    Si: Power sun roof, Cruise control, Power mirrors, Alloy wheels, Central locking, Power windows, Power steering, Radio cassette.
    Cita:
    Cita Luxury: Leather, ALB

    JDM Models: Honda JDM Listing- not complete

    http://translate.googleusercontent.c...ONYHx05QSQeblA

    XX
    Si
    TCV
    INX
    SI States

    USDM Models:
    S
    Si


    Suspension:

    Standard tyre rim tyre size: 14x5.5" Rim, +45mm offset, 195/60/R14 tyre.
    Min Load rating - 85
    Speed rating as per ID plate - V.
    Stud pattern: 4x100, M12x1.5.
    Std "89 Alloy rim weighs 8.4kg (18.5lb)
    Double wishbone front and rear
    Mechanical 4WS
    Ground Clearance (Stock) 150 mm
    Stock Sway Bars: Front 25.4mm (Hollow), Rear 17mm (Whiteline Sway bars - Front: 24mm, Rear: 20mm)


    Brakes:

    Front: Ventilated discs, Pad DB1133
    Rear: Non-ventilated discs, Pad DB1163



    Engine:


    Ref: http://en.wikipedia.org/wiki/Honda_B20A_engine

    All fuel injected 3gs use peak and hold 240cc injectors
    Standard flywheel weighs 9.5kg (21lb)
    88-91 OBD0 with a PK2 ECU (applies to all B20A series engines)
    90-91 OBD1 with PK3 ECU (USDM Only with B21A)
    Distributor is OBD1 compatible (24 Teeth) on all fuel injected 3rd gens

    B20A6 (AUDM)
    Compression 9.4:1
    106kW(142HP)/6000rpm
    174.4Nm/4500rpm atfw

    EXACT Stock 3g and b18 Camshaft Specifications
    http://www.preludepower.com/forums/s...d.php?t=242616
    exact stock 3g intake mani specs
    http://www.preludepower.com/forums/s...d.php?t=254142

    ECU Error codes:

    '88-'91 PGM-FI (OBD0)
    Code 0 ECU
    Code 1 Oxygen content A
    Code 2 Oxygen content B
    Code 3 MAP sensor
    Code 4 Crank angle sensor
    Code 5 MAP sensor
    Code 6 Coolant temperature
    Code 7 TPS sensor
    Code 8 TDC position sensor
    Code 9 No.1 cylinder position sensor
    Code 10 Intake air temperature sensor
    Code 11 Idle Mixture Adjustment sensor
    Code 12 Exhaust gas recirculation system
    Code 13 Atmospheric pressure sensor
    Code 14 Electronic idle control
    Code 15 Ignition output signal
    Code 16 Fuel injector
    Code 17 Vehicle speed sensor


    Transmission:

    Options were 5speed manual or 4speed auto.

    Code: D2J5 Manual (Series 1)

    1 = 3.166__58.1 km/h @ 7000rpm
    2 = 1.857__100.1 km/h @ 7000rpm
    3 = 1.259__147 km/h @ 7000rpm
    4 = 0.935__196 km/h @ 7000rpm
    5 = 0.794__231 km/h @ 7000rpm
    Reverse = 3.000
    Final Drive = 4.062

    Code: D2M5 Manual (Series 2)
    1 = 3.307
    2 = 1.809
    3 = 1.230
    4 = 0.964 (Taken from the manual)
    5 = 0.812 (Taken from the manual)
    Reverse = 3.000
    Final Drive = 4.062

    Series 1 Auto Code?
    1 = 2.529
    2 = 1.444
    3 = 1.030
    4 = 0.725
    Reverse = 1.904

    Series 2 Auto Code?
    1 = 2.647
    2 = 1.392
    3 = 1.060
    4 = 0.763
    Reverse = 1.904


    Chassis:

    Code BA4, BA5

    Claimed Cd 0.34

    Dimensions in mm
    Wheelbase 2565
    Front track 1480
    Rear track 1470
    Length 4460
    Width 1695
    Height 1295

    Turning Circle 9.6 m
    Tank Capacity 60 litres
    Kerb Weight 1130 kg (manual)
    Towing Capacity 400 kg


    Interior:

    Dimensions in mm
    Dash panel to rear seat 1540
    S/wheel to seat (min/max) 510/700
    Pedals to seat (min/max) 340/520
    Rear legroom (min/max) 90/280
    Shoulder width, front 1300
    Shoulder width, rear 1300
    Front cushion depth 520
    Front cushion height (min/max) 240/270
    Rear cushion depth 440
    Rear cushion height 280
    Load Space
    Floor length (seat up) 1060
    Floor length (seat down) 1610
    Floor to lid (min/max) 340/430
    Lip to lid 620
    Opening depth 430
    Opening width 1290
    Loading height 860
    Floor width (max) 1640
    Floor width (between arches) 860


    Exterior:

    Colours
    Laguna Gold - YR-87M
    Melbourne Blue - B-50M
    Granada Black - NH-503P
    Noble Silver - NH-516M
    Phoenix Red - R-51
    Navajo Red - R-70M
    Shannon Grey - G-59M
    Polar White - NH-512Z
    Charcoal Granite - NH531M

    Series 2 colours
    Frost White - NH538
    Laurel Blue - B49M (possible series 1 colour too)
    Bordeaux Red - R78P

    Electrics:

    H4 Headlights
    H3 Optional OEM Fog lights
    T10 Front Parkers
    S25 (1157) Reverse light
    S25 (1157) Brake light
    S25 (1156) Indicators
    T10 Cluster speedo section's
    T5 Cluster,the part on top of the cluster, cluster lights above speedo, ignition key light, ciggie lighter, gear selection area on Auto's only, ashtray light
    T4 Air con knob thing and 4ws button
    T3 All aircon buttons, cruise control, demister. sun roof open close button and last but not least the hazard warning light

    Complete interior LED conversion

  2. #2
    Silver Member PJF_Lude's Avatar
    Generation
    3rd Gen
    Model
    Si4ws Turbo
    Join Date
    May 2003
    Location
    Queensland
    Posts
    1,860
    d2m5 manual tranny from sII

    1 = 3.307
    2 = 1.809
    3 = 1.230
    4 = 0.935
    5 = 0.794
    R = 3.000
    FD = 4.062

    no idea what the speed is in each gear... but close ratio 2nd and 3rd ftw

    Paint codes: (only know the colours for the 2 i've had)

    YR-87M Laguna Gold Metallic
    NH-512 Polar White


    and the B20A6 is actually 9.4:1 CR
    ~Ian~

    Anything thing I say is my opinion, all care, but no responsibility taken.

    1989 Prelude Si Turbo - Laguna gold - Progress thread index or My Garage
    Prelude Australia POTM - June 2009 ..... Prelude Power POTM - July 2010
    2006 CBR1000RR - Silver Metallic - Clicky

  3. #3
    Silver Member AYRTON's Avatar
    Model
    Si-TCV
    Join Date
    Aug 2005
    Location
    Victoria
    Posts
    1,677
    Si-States is a JDM model.
    04' Euro Luxury
    89' Prelude Si-TCV - crème de la crème of Prelude's
    PM me if you're interested in buying it.

  4. #4
    Regular Member Martzy's Avatar
    Generation
    Non Honda
    Model
    Si 4ws
    Join Date
    Feb 2007
    Location
    Victoria
    Posts
    152
    Colour NH - 516M - Nobel Silver Metallic

    Also you might just want to change the year when 3rd started to something like September 1987.

  5. #5
    PA Janitor Bob's Avatar
    Generation
    3rd Gen
    Model
    Si 4WS - B Spec
    Join Date
    Jan 2006
    Location
    Western Australia
    Posts
    11,091
    Im not too sure about the compression ration. Richard quotes 9.0:1 on his racinghonda site. Needs verification

  6. #6
    Silver Member PJF_Lude's Avatar
    Generation
    3rd Gen
    Model
    Si4ws Turbo
    Join Date
    May 2003
    Location
    Queensland
    Posts
    1,860
    Quote Originally Posted by Bob View Post
    Im not too sure about the compression ration. Richard quotes 9.0:1 on his racinghonda site. Needs verification
    from page 3-14 of the service manual.



    AUDM 3rd gens are KQ

    9.0 gets quoted alot on American forums, you'll find that the B20A5 is 9.0
    ~Ian~

    Anything thing I say is my opinion, all care, but no responsibility taken.

    1989 Prelude Si Turbo - Laguna gold - Progress thread index or My Garage
    Prelude Australia POTM - June 2009 ..... Prelude Power POTM - July 2010
    2006 CBR1000RR - Silver Metallic - Clicky

  7. #7
    PA Janitor Bob's Avatar
    Generation
    3rd Gen
    Model
    Si 4WS - B Spec
    Join Date
    Jan 2006
    Location
    Western Australia
    Posts
    11,091
    Thanks Ian. Love your work.

  8. #8
    Gold Member hiru's Avatar
    Generation
    Other Honda
    Model
    Si 4ws
    Join Date
    Nov 2006
    Location
    Victoria
    Posts
    3,231
    [R-51] Phoenix Red

  9. #9
    Silver Member PJF_Lude's Avatar
    Generation
    3rd Gen
    Model
    Si4ws Turbo
    Join Date
    May 2003
    Location
    Queensland
    Posts
    1,860
    And some more.... lol

    From the sales brochure

    Paint colours

    Laguna Gold - YR-87M
    Melbourne Blue - B-50M
    Granada Black - NH-503P
    Noble Silver - NH-516M
    Phoenix Red - R-51
    Navajo Red - R-70M
    Shannon Grey - G-59M
    Polar White - NH-512Z

    And the series 2's had

    Frost White - NH538
    Laurel Blue - B49M ( I think this was a series 1 colour too??)
    Charcoal Granite - NH531M
    ~Ian~

    Anything thing I say is my opinion, all care, but no responsibility taken.

    1989 Prelude Si Turbo - Laguna gold - Progress thread index or My Garage
    Prelude Australia POTM - June 2009 ..... Prelude Power POTM - July 2010
    2006 CBR1000RR - Silver Metallic - Clicky

  10. #10
    Junior Member
    Generation
    3rd Gen
    Model
    Si 4ws
    Join Date
    Mar 2008
    Location
    New South Wales
    Posts
    1
    Quote Originally Posted by Martzy View Post
    Colour NH - 516M - Nobel Silver Metallic

    Also you might just want to change the year when 3rd started to something like September 1987.
    yes mine also is 3Generation , 1989 charcol granite !

  11. #11
    PA Resident SAKI's Avatar
    Generation
    4th Gen
    Model
    Si
    Join Date
    May 2006
    Location
    New South Wales
    Posts
    3,987
    Somehow theres one colour that always gets missed for the series 2 3g:
    R-78P Bordeaux Red, thats the series 2 burgundy. (theres no option for this code when signing up to PA!)
    Leather Interior code is "Interior colour: Type E"
    Also - There are a few series 2's out there that missed all the Cita options (CD player, floor mats, rear spoiler and badges) but got the leather and the ALB.
    Quote Originally Posted by brash22 View Post
    You sir are mad. Like lock you in the nuthouse mad.
    Quote Originally Posted by Manabir View Post
    You sir are a prelude obsessed freak.
    Quote Originally Posted by hiru View Post
    you sir, are a prelunatic.

  12. #12
    Junior Member chamolluscug's Avatar
    Generation
    3rd Gen
    Model
    JDM
    Join Date
    Jan 2008
    Location
    Queensland
    Posts
    73
    Hey my JDM has chassis code E-BA5??
    P plater = restrict car to 200kw = need to get to 200kw well, as close to 200kw as a B20 gets lol



  13. #13
    PA Janitor Bob's Avatar
    Generation
    3rd Gen
    Model
    Si 4WS - B Spec
    Join Date
    Jan 2006
    Location
    Western Australia
    Posts
    11,091
    Can someone please verify if the 90-91 S2 uses a PK2 ECU? This will indicate if it is OBD0 or OBD1.

  14. #14
    Silver Member PJF_Lude's Avatar
    Generation
    3rd Gen
    Model
    Si4ws Turbo
    Join Date
    May 2003
    Location
    Queensland
    Posts
    1,860
    yes it's pk2, i have a dead pk2 from a 91 sitting in my pile of prelude crap in the shed.
    ~Ian~

    Anything thing I say is my opinion, all care, but no responsibility taken.

    1989 Prelude Si Turbo - Laguna gold - Progress thread index or My Garage
    Prelude Australia POTM - June 2009 ..... Prelude Power POTM - July 2010
    2006 CBR1000RR - Silver Metallic - Clicky

  15. #15
    PA Janitor Bob's Avatar
    Generation
    3rd Gen
    Model
    Si 4WS - B Spec
    Join Date
    Jan 2006
    Location
    Western Australia
    Posts
    11,091
    Cheers, So ALL B20A series engines in the 3g are OBD0. There was never an OBD1 ECU 3g in Australia.
    Only the B21A in the US received the OBD1 PK3 ECU.

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