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fresh

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  1. NISSAN SKYLINE R33 GTS-T

    1994 Model, Series 1.5

    2.5L Turbocharged 6 cylinder RB25DET

    5 speed manual

    Heavy Duty Clutch

    Apexi Power FC ECU, Apexi Electronic Boost Controller

    HKS GTR-S Turbo

    HKS turbo back exhaust through to HKS rear

    Large Front Mount Intercooler

    Z32 AFM

    Nismo 550cc injectors

    Nismo Upgraded Fuel Pump

    Variable Fuel Pressure Regulator

    HKS Adjustable Cam Gears

    Splitfire Coils

    18" Lenso '5' spoke rims, tyres in good nick

    GTR Body Kit

    Boost and Air/Fuel Gauge on A-Pillar Mount

    Panasonic MP3 head unit with 5 outputs and 1 input

    Kicker 6" Splits custom installed in the front, pioneer 6" 3-way on the parcel shelf

    12" sub with Jaycar 450W Amp in the boot

    146XXX k's on the ODO

    All modifications and each 5000k service performed by Hunter Thomas at Georgetown

    DYNO tuned to 219rwkw with the old turbo, hasn't been power tested with the new turbo yet.

    Rego till Dec 2010, more picture available on request

    $15,000 ONO

    Joel

    post-9174-1285015196_thumb.jpg

  2. i'll second the vote for hunter thomas at georgetown, tuned my 33 gtst to 220 rwkw on the stock turbo

    also in process of upgrading again, has been nothing but helpful and won't push you into anything.

  3. some tuners may reccomend bigger injectors because they cost stuff all more and allow plenty of room for future growth

    which brings me to my actual question, is there any difference btween 550s and 740s apart from the flow capabilities.

    I'm not sure what i mean exactly but are smaller injectors more effective ?, efficient ?

  4. from my brief experience the amount of power is only as useful to how how much you can put to the ground.

    ie. my car makes 220 rwkw and was sliding round corners and wheelspinning out of them, also braking, the shitter your tyres the longer the stopping distance.

    don't forget suspension or tyres, otherwise 500hp and 250hp will be just as quick

  5. there is a fuel pump control module (FPCM) which regulates between a low and high volume mode, other then that it just pumps either of the 2 modes, that being said in your engine bay is a fuel pressure regulator (FPR) which regulates the pressure of the flow into the fuel rail meaning that the pump just pumps at its one speed all the time and the FPR regulate it for you.

    that why these guys are saying it doesn't matter which pump you go far, if the WALBRO is leaning out up top its because it pumping at maximum pressure / volume and simply cannot supply more fuel.

    the FPR cannot up the pressure provided by the fuel pump merely reduce and regulate it

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