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Thread: Not your average GQ DIY Turbo kit!

  1. #11
    Advanced jc84's Avatar
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    I assume this is diesel?

    Turbo type and why.

    Garrett, excellent quality, reliability and easy supply of rebuild kits should it be a 2nd hand turbo or you've done that many km on it.

    Intercooler type, top mount or front mount?

    FMIC is my pick, W2A was ok, but required more messing around with hoses and radiators, top mount A2A I found pretty useless. FMIC is simple, yet a true DIY FMIC usually requires some cutting of the rad support.

    Manifold, pretty simple seeing as you can get them on ebay for $100-$200

    I've seen two ebay manifolds cracked after >12months on TD42's.
    Pick yourself up a good quality aftermarket one 2nd hand and get the flanges milled flat, she'll be good as new at 2nd hand price.
    A good time to also port the exhaust runners.

    Best piping size and type

    User preference, smaller sized (2" say) wont have negative effects, and will provide better boost response then say 3".

    Fuel Injectors , turbo timers and air box specs.

    Turbo timers is really user preference as well, some people will swear black and blue that you need them, others run along happily for years without one.

    Fuel Injectors and Air box specs, all depend on what your end goal is.
    An exchange set of re-coed injectors shouldn't set you back any more then $360ish and should be good for many years to come. Go genuine zexel though.
    An airbox can be as over the top as you want/need to make it. Fat's fabs make a simple airbox that works well, GU airboxs are also a good upgrade for the GQ's

    EGT is a must have, as a 'just in-case' gauge.

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    89gqpatrol4x4 (24th March 2014)

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  4. #12
    Expert @GUte's Avatar
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    I'm currently running the Kinugawa TD05 18G/8cm at 22psi. Regarded as 'cheap' by some but fine for those that have tens of thousands of K's on them.

    W2A intercooler, 16" X 11" with tray mounted heat exchanger (alum GQ Ebay radiator) with Davies Craig pump.

    4" Radius Fab stainless snorkel, 4Bfab Gen III filter box, 4" piping to turbo.

    Future work will involve mods to the inlet manifold, intercooler, airbox and piping and ex manifold.

    004_zpsbceb8db2.jpg 005_zpsa66fff4a.jpg 043_zps947e2270.jpg 050_zps30181768.jpg051_zps032fdbe9.jpg 001_zpsfe65554f.jpg
    Last edited by @GUte; 25th March 2014 at 09:31 PM.

  5. #13
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    [QUOTE=@GUte;492666]I'm currently running the Kinugawa TD05 18G/8cm at 22psi. Regarded as 'cheap' by some but fine for those that have tens of thousands of K's on them.

    W2A intercooler, 16" X 11" with tray mounted heat exchanger (alum GQ Ebay radiator) with Davies Craig pump.

    4" Radius Fab stainless snorkel, 4Bfab Gen III filter box, 4" piping to turbo.

    Future work will involve mods to the inlet manifold, intercooler, airbox and piping and ex manifold.


    Was looking at those wta coolers.
    Is tha wta ebay one hows it going ok work alright ?.
    does it really need that large rad to work ok?

    PM build details will ya please.
    IF IT'S NOT A NISSAN.
    THEN IT'S A COMPROMISE

  6. #14
    Expert @GUte's Avatar
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    Forgot to add - 12mm pump and high burst injectors.

  7. #15
    Expert @GUte's Avatar
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    Quote Originally Posted by Robo View Post
    Was looking at those wta coolers.
    Is tha wta ebay one hows it going ok work alright ?.
    does it really need that large rad to work ok?
    Robo, that Ebay intercooler works fine. The in/out side of it though has tight angles to keep it compact. I'll eventually remove these and fit a funnel like inlet that will curve down toward the turbo and fit the outlet side to the inlet manifold by way of a boltable flange.

    I've gone big with the radiator as it was being run behind the cab and out of the main airflow. A friend had a thermo fan setup from the Ford Falcon with a frame made that fitted the GQ radiator. Twin 16" Spal's fitted to a shroud would be interesting! Out front, I couldn't tell you how efficient a heat exchanger of any particular size would be with one of these W2A intercoolers, or any for that matter. Bigger is best though! I didn't want to add another 'radiator' in the front.

    When compared with ARE's graph's/test's my system is working very well.
    Last edited by @GUte; 26th March 2014 at 03:23 PM.

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    Robo (26th March 2014)

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