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Thread: Hi or low mount turbo?

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    Expert Deano2506's Avatar
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    Hi or low mount turbo?

    G'day all.
    Hoping for some advice on what the advantages/disadvantages are
    Of a high versus low mount turbos on a td 42

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    Patrol Guru gubigfish's Avatar
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    I went for a high mount setup on my GQ partly because it was easier to work on, however if you want a top mount intercooler you might have issues running a high mount
    2004 4.2TDi GU ST Ute, 3" Exhaust, UHF, Lightforce Spotties, BFG All Terrains, Steel Winchbar, Winch, Dual Batts, CC Ultimate IC, 4" Snorkel, XLR8 Steps and Scrub bar

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    Deano2506 (14th May 2017)

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    Expert Deano2506's Avatar
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    Thanks for that.
    Makes sense too.
    I plan on running a intercooler after i get the turbo done,so that's very helpfull info

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    Engine bay temps would be lower using a low mount setup. Further from the aux battery too if you have one. Easier intake plumbing maybe with a high mount though.

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    Expert Deano2506's Avatar
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    Another good point.
    I guess the turbo itself would run cooler with low mount too

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    I think i read somewhere too about the flow dynamics. It was better with the low mount. But I'm not sure if it was about this or not. I run a low mount. If I was given the coice, low mount still. To me it just seems a better position and out of the way too... Doesn't look as good though...

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    Deano2506 (15th May 2017)

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    Expert Deano2506's Avatar
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    Hmmm.flow dynamics...I'll look into that a bit more.
    I'm not worried how it looks just what goes better.
    Cheers for the info

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    Patrol Guru gubigfish's Avatar
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    @nissannewby is probably the most qualified to talk about this
    2004 4.2TDi GU ST Ute, 3" Exhaust, UHF, Lightforce Spotties, BFG All Terrains, Steel Winchbar, Winch, Dual Batts, CC Ultimate IC, 4" Snorkel, XLR8 Steps and Scrub bar

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    Deano2506 (15th May 2017)

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    Quote Originally Posted by gubigfish View Post
    @nissannewby is probably the most qualified to talk about this
    Most definitely....

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    Patrol God nissannewby's Avatar
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    Quote Originally Posted by gubigfish View Post
    @nissannewby is probably the most qualified to talk about this
    Not sure about that

    A well designed high mount can be just as good as a low mount. Low mount I would be using a dts item. They are nice heavy cast and are very open and direct compared to a standard manifold.

    For high mount I would be using the latest item from radius fab recent testing by a well known shop has shown some nice gains over the standard nissan manifold.

    I dont see to much difference in where the heat and everything is. Piping is very similar unless you do run a top mount cooler then a high mount might cause some dramas. Depending on turbo sometimes wastegate actuator placement can be fiddly on a high mount setup.

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    mudski (16th May 2017)

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