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Thread: Project GTS-T Neo

  1. #1
    Skyline Owners Club Registered User Captain Drift's Avatar
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    Project GTS-T Neo

    Hi all,
    I Thought I should really post up some info about my skyline as I have been on here for a while and owned the car for nearly 3 years now. Since the 13/07/2006

    I used to have a 200SX

    I sold it and bought my skyline

    The spec was
    17" Work Equip Chrome wheels,
    R34 GTT Neo Engine,
    HKS Exhaust,
    HKS Air Filter
    Bigger Radiator,
    HKS boost Gauge,
    Pilot water temperature Gauge
    Flared wheel arches

    It stayed like this for 30 miles (to petrol station and for a first drive)
    Then on went my wheels 18" Rota GTR`s
    Silver with a polished lip,

    After a clean and polish and I fitted an Apexi AVC-R

    Wanting to see if everything was okay, I then went off to see GT aRt in Brighton.
    After an initial inspection i got a surprise
    Lots of bits needed sorting
     Rear Diff Leaking,
     NSR Steering arm ball joint excessive play
     OSF +NSF track rod end and ball joint boots perished
     Front Neon Loose,
     Oil at back of engine- requires investigation
     Steering rack mounts have excessive play ( Need to be changed)
     Exhaust mount to gearbox missing nuts
     Inner edge of OSF +NSF tyres beginning to wear (due to camber)
     NSF tyre touching wheel Arch
     Battery not mounted correctly
     Earth Terminal Loose
     Water in boot
     Spare wheel retaining bolt loose
     NSF window squeaks
     Fuel pump stays on
     Knocking noise in steering wheel (possibly wrong boss for car)
     Gear knob insecure
     OSF front washer blocked
     Alternator belt Perished
     Exhaust leaking at front of manifold
     Wires running through nearside wing not protected by grommet
     Map sensor not mounted correctly
     Grommet fitted in bulk head incorrectly (could leak water)
     Apexi Map sensor insecurely mounted
     Brake fluid low and reservoir empty
     Wiring on offside wing disconnected and very untidy
     Coolant reservoir nearly empty
     Offside front light component insecure
     Power steering pump pulley and crank pulley do not match
     Power steering pip appears to be leaking
     NSF indicator wire insecure and could rub on wheel.
     Excessive play in steering rack
     NSF brake pipe beginning to perish
     NSF +OSF suspension top mount perished
     Wiring in OSF wheel arch very untidy
     OSR steering arm ball joint has excessive play
     Excessive travel on hand brake
     Osr Steering am knuckle excessive play

    Happy with the throroughness of the inspection,
    I proceeded to book the car in to have some of the work carried out.

    Working my way through the inspection faults, Stating with a new Walbro fuel pump.
    I went a bit mad with Japspeed and ordered: front and rear strut brace, turbo elbow, down pipe, which GT-aRt fitted, along with a set of HKS coil overs after my Kei Office set had cracked, steering rack bushes, braided brake hoses, Split fire coil packs, and Apex/ Mocal oil cooler kit, and Supply/ Fit HKS iS ECU and Loom


    The car came back feeling a lot stronger.

    * More to come

    Being told during mapping the fuel pressure was low and charge temperatures were high, I changed the fuel pump to another walbro, and rewired the fuel pump using the directions from SAU to wire direct from the battery. I also bought an FSE power boost valve with gauge to measure the fuel pressure (not yet fitted) and ordered an ARC front mount intercooler, Due to the thicker radiator i could not use the normal kit so had to get the kit that uses the original holes JDM Style.

    I left it like this for a while as after rewiring the fuel pump, the fuel pump noise was better and and the car seemed to run better.
    On the 27/11/2007 @ 18:44 some one pulled out in front of me on a roundabout

    The damage doesn't look too bad, It smashed the indicator, cracked the bumper, broke the headlight mounting points, popped the front grille of, bent the wing, and bent the FMIC.

    A-plan wrote the car off, but gave me cash in lieu to repair the car.
    The Insurance quote was

    So with the payout I decided to modify rather then repair.
    On went a Do-luck front bumper, New Boot to replace my leaking one, a small boot spoiler, New Grille, New pair of headlights, fitting an spray, Also while off the road, I got the wheels painted at Wicked Wheels, They did a superb job.

    QM1 White spokes and centres, with a polished lip and new shoes all round.

    She was now looking the part, but over fuelling and wanting a bit more power, so back off to GT-aRt for an ECU re-map, fit the power boost valve.
    While there Gary found the over fuelling coming from a damaged lamda sensor so replaced this, and then discovered who ever fitted the engine earthed out some sensors straight to the body work, so sorted these out. On the rollers again, discovering there was still fuelling issues with the Consult port not working this made things difficult, we decided to deliver the car back so I can trace the wiring through fully.

    Upon checking I have discovered a mass of wiring errors, I have spent 2 days removing black electrical tape from the loom, that was hiding horrific wiring errors such as earth's just twisted together, The lamda wires ground to the chassis.
    I am now going through the wires 1 by 1 to check everything is as it should be and every day find more surprises where circuits have become combined due to sharing power feeds or just not connected.

    Here are some current pictures.
    Me dressed for the occasion

    Should the speedo convertor be wired in like this?

    The Passenger Footwell

    Where the drivers seat should be

    As you can see, Lots of black tape and loose Wires

    Does anyone have pinouts for these connectors, they go from the Ecu to the Dash and consult port. I has the R33 socket and R33 and R34 plugs. Both plugs have severl wires cut and taped off.

  2. #2
    Skyline Owners Club Registered User Captain Drift's Avatar
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    An update from this weekend
    I went on a trip to GarageD, to get an R34GTT Turbo elbow (boost side).After speaking to the guys there, I discovered I have a mixure of R33 and R34 Ancilaries including the power steering pump. This means, when changing thebelts and pulleys I will need to get a mixture to suit the car
    After spending more time today stripping more black tape, and tracing wires, managed to remove a whole part of loom, with 2 knock sensors a blue connector and grey connector.

    A couple of bits i discovered.
    Is the the oil pressure sensor or oil temp sensor? it is just where the oil filter screws on

    Also what are the plugs behind the washer bottle?
    It seems they are part of the GTS-T loom

  3. #3
    Skyline Addict Registered User
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    Looking good but you should have kept the equips

  4. #4
    Skyline Owners Club Registered User Captain Drift's Avatar
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    I still have the equips, I use then for drift practise as thay have the michelin Alpine tyres on them.

  5. #5
    Skyline Owners Club Registered User Captain Drift's Avatar
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    Today i checked the wiring for the ECM & IGN coil relay.
    I have followed mostof the sires back and found the injectors were permanantly live!!.
    This is now sorted (i cut the wire). and now following the wirign diagram to wire in the rest of the pins.
    My other items have turned up from ebay.



    and i can now hard wire in my phone charger as well in the arm rest, leaving the maing cigar lighter socket free.
    Also just waiting for the ipod composite AV cable, then i can have my ipod in the car.
    The head unit is fitted now

    I now thinking to relocate the ECU below the head unit, and using the AV out from the IS i can view the readout on the head unit.


    this is coming together slowly.
    I am just wondering about fitting my new turbothat has turned up ( picture to follow) a bargain HKS GT2530. I am now on the look out for an HKS adjustable actuator, and flexible braided pipes.

  6. #6
    Skyline Enthusiast Registered User moddingdog's Avatar
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    Interesting project there mate, looks like they made a mess of converting the GTST loom to the GTT. I hate wiring, good luck! I take it your an Electrician by trade?

  7. #7
    Skyline Owners Club Registered User Captain Drift's Avatar
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    Thanks F1,
    No for my Job I do Tech support for Sat Nav. ( if people need bits i may be able to do something)
    No previous electrical experience. I just keep reading the manual and wiring diagrams and they are sinking in slowly.
    I am 3 plug away from completion.
    The White 48 pin plug where R34 meets R33.
    The 2 wires from the first butterfly on the inlet (R34)
    The 6 pin connector behind the passenger headlight ( R33)

    I am hoping some on may have the pin outs for the engine to car loom connection?
    Then just waiting on boost junkies to send through a complete set of slicon hoses and then have to decide do i put her back on the road now and get used to the power or fit the turbo I have lurking???

  8. #8
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    Jesus Fella.Thats some birds nest of wiring to sort out, Nice job on your progress though
    Soon be there !!!

  9. #9
    Skyline Owners Club Registered User Captain Drift's Avatar
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    Thank for the Comments,
    After taking the loom out of the car, I found 21 Wiring faults. Most of them have been rectified, i just need to check on 1 sensor and check where the R34 and R33 looms connect then put it back and hope it works.

  10. #10
    Skyline Enthusiast Registered User Little Kez's Avatar
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    a very vast improvement on the front end now mate! car looks great, wheeels are lovely

  11. #11
    Skyline Owners Club Registered User Captain Drift's Avatar
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    Cheers for that,
    Just not waiting for nice weather so I can tape the loom up and pop it back in the car, Then need to hoover and re-fit the centre console and sort out the rest of the interior.

  12. #12
    Skyline Owners Club Registered User Captain Drift's Avatar
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    Some final bits -
    Where is the Air conditioner control solenoid? Connected to Pin 14 on the ECU
    Where should the Throttle opening signal be connected to? Pin 37
    Where is the refrigeration pressure sensor?
    Where is the auxillary electric fan? is this on the front of the radiator?
    lastly Pin 67 & 72 (Control unit power supply) are these ignition live or battery live?

  13. #13
    Skyline Owners Club Registered User Captain Drift's Avatar
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    I got home today and these were waiting for me

  14. #14
    Skyline Enthusiast Registered User ben..87's Avatar
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    love the wheels on your skyline, there what im thinking about getting for mine after the winter months

  15. #15
    Skyline Enthusiast Registered User ChariotChaser's Avatar
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    Do you still need pinout diagrams? I think I've got a few lying around.

    Also, were those silicone hoses any good? Was thinking about buying them too, only am a bit cautious about cheaper aftermarket goodies! No splits etc?

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