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Thread: Help /advice on gu lacking power

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    Help /advice on gu lacking power

    Wondering if anyone can help I have recently bought a 2005 GU coil 4.2tdi (manual) only 220 on the clock, she really lacks power in lower gears .. sluggish ! love everything about her so hoped someone may have experienced the same . My partner has 79 series landcruiser which flies past so you can imagine the comments I get any advice appreciated before I go to a mechanic so at least I can have some idea being a girl 👧 lol

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    juzzs8 (4th January 2021)

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    Legendary GQtdauto's Avatar
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    Sons absolutely flys down low and no expert but I'd find out what the boost pressure at the turbo is apart from the usual airfilter etc .

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    Moderator MudRunnerTD's Avatar
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    Quote Originally Posted by Samantha Kidd View Post
    Wondering if anyone can help I have recently bought a 2005 GU coil 4.2tdi (manual) only 220 on the clock, she really lacks power in lower gears .. sluggish ! love everything about her so hoped someone may have experienced the same . My partner has 79 series landcruiser which flies past so you can imagine the comments I get any advice appreciated before I go to a mechanic so at least I can have some idea being a girl �� lol
    Likely it has never been touched out of the factory. They are a bit of a slug. But... I mean BUT. They respond very well to a decent dyno tune for a start.

    Fit an Exhaust temp gauge and a boost co trolled and have it tuned for the first win.

    Remember your BF has a 4.5 V8 and you have a 4.2 straight 6. His will be stronger but you have way way more potential than he does.

    Start with a decent tune. Then come back and say g'day and we can help you spend some cash to make him squirm... lol

    He has a V8.... But it's a little V8. V8 Toyota driver's are wankers who think the end of the sentence is V8. Td42s are a Beast motor when the right mods are done.

    Welcome here.
    Last edited by MudRunnerTD; 3rd November 2019 at 10:09 PM.
    Its a Nissan! =====> Its a Keeper!! ....... Got a TD42 in it BONUS!! ....... I'm a lucky bugger! I've got 2 of em!
    Check out my Toy --> MudRunnerTD's GQ From the Ground Up

    Quote Originally Posted by Rogue Dung Beetle View Post
    Wish it was Nissan though, Toyotas just can't keep up with the Pootrol pace.
    The only good thing about an 80 series is..... the front end?? Wrong!!, the Engine?? Wrong!! the Full Time 4WD system?? Wrong!! Its the NissanPatrol.com.au stubby holder fitted over the transfer lever.
    WARNING: Towballs used for recoveries can, and do kill people and damage property.

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    GQtdauto (4th November 2019), Hodge (4th November 2019), juzzs8 (4th January 2021)

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    Patrol God
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    Yup as Mudrunner said, a nice tune, and from there on, there are things that can make them absolutely sing. Exhaust, larger intake and then from there with some more $, but not necesary a better turbo and pump will blow the tits off any 1VD-FTV.
    2005 TD42TI

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    Patrol Freak Touses's Avatar
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    'Tis true! Mine is fairly mild, won't beat the 'crab off the mark but annoys the shite out of 'em when I'm trying to park on their tray at 130k
    I AM NOT STUBBORN.........I prefer the term, Singlemindedly independent !

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    Travelling Podologist Cuppa's Avatar
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    Check out my post from 3 years ago. A 3" exhaust & dyno transformed my '06 TD42i from a piece of wet lettuce into the car it should have been off the factory floor. It is still no 'speed machine', but I love it.

    http://www.nissanpatrol.com.au/forum...+exhaust+cuppa Post #8

    2006 4.2TDi ex-Telstra Remote area Camper. 425w roof mounted solar, 360Ah Aux batts, BCDC1240, Onboard hot & cold pressurised & filtered water, (25 litre hot water calorifier), ARB fridge, ARB freezer, Built in kitchen, heaps of easy access storage, 240v, 3” Genie exhaust + dynotune, 2” lift, Lovells GVM upgrade, second glovebox, ROH Blaktrak steel wheels, Bridgestone D697's (now Toyo RT's), Redarc gauges/pillarpod, Hema HX-1, Icom 450 CB, dual rear view cameras, Onboard 30amp Victron mains charger, second glovebox, dual seat conversion, Tyredog TPMS, Boss PX7 onboard air with 9 litre tank, 350w inverter, Steel bullbar, Harrop Eaton diff lock (front), Warn winch, Snorkel, Dual spares , 160 litre water tank, 180 litre fuel in two tanks (approx 1200km range) 2010 Tvan Tanami. (incl another 70 litre water tank) with matching wheels/tyres (& 3rd spare)
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    Beginner Bundy1's Avatar
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    Sounds like a stock gu 4.2 to me...when I originally bought mine I came from a bt50 with a lot more power and a lot more earlier power in the rev range...so the patrol disappointed me the main thing I hated was how much turbo lag the patrol had 2000rpm was jsut to late for the power to come on...did a lot of reasearch and ended up fitting a p4x4 16g turbo Which transformed the car power was a lot earlier around the 1700-1800 range and with a tune they come onto power even earlier...

  11. #8
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    I’ve got an ‘05 4.2td wagon had since new. Never had anything done other than a 2” lift.

    Around the 210000km mark I found it under power towing my heavy camper trailer.

    Took it to a reputable diesel bloke in Narellan and had a good talk.

    Fitted 3” dump pipe, 3” Redback exhaust, new injectors and dyno tune.

    Result = a powerful new truck.

    This was my experience, but you may be different.


    Sent from my iPhone using Tapatalk

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    Quote Originally Posted by shakey55 View Post
    I’ve got an ‘05 4.2td wagon had since new. Never had anything done other than a 2” lift.

    Around the 210000km mark I found it under power towing my heavy camper trailer.

    Took it to a reputable diesel bloke in Narellan and had a good talk.

    Fitted 3” dump pipe, 3” Redback exhaust, new injectors and dyno tune.

    Result = a powerful new truck.

    This was my experience, but you may be different.


    Sent from my iPhone using Tapatalk

    How much did that set you back in $?

    What sort of results did you get on the Dyno?

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    Quote Originally Posted by Seafarer View Post
    How much did that set you back in $?

    What sort of results did you get on the Dyno?
    It’s on long ago to remember the exact cost but I do know that it was reasonable for what was done. I’ll look for receipt, but don’t like my chances.

    This was the dyno print out and I have been very happy with the vehicle’s performance since having this little bit of work done




    Sent from my iPad using Tapatalk

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