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Looking for a diesel GQ

Looking for a diesel GQ

Postby DMH » 17 Mar 2015 11:55

Hey All

Thanks for the welcome on my first post!

As I'd said, my younger brother is the one who got me hooked on the GQ Patrols - and he's itching to get one now that I've found mine. He's got either a Colt clubcab or a Pajero blister fender, both 2.8tdi's if anyone keen for a swop! :wink:

The diesels are pretty hard to come by - but when they do, what would you say is a fair price for one? And suppose would be looking between 250-350k kms?

And just how much is performance improved with a turbo? Mine is the std 4.2d - 85kw and 265Nm. But I'm happy enough with it for now and it's what I intend using for proper overlanding, so best to leave it that way. My bro may wish to go TD - anyone have the power stats on those?

I paid R60k for mine. 265k km on the clock, incl the winch- here's the ad:
http://potchefstroom.olx.co.za/nissan-p ... -779381924

The bodywork has plenty scratches and marks and definitely needs a repaint - any recommendations on wraps/etc that I could do at a good price?

Would you say I got it for a fair price?

Would really appreciate your insights Trollers!
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Re: Looking for a diesel GQ

Postby ricster » 17 Mar 2015 15:35

The basic standard 4.2 petrol GQ's go for around the R50-60 mark on average, but with extras can go up a bit .... having said that that, the 4.2 diesel GQ's tend to go for a slightly higher price, I believe purely on the rarity of them. The ones with a SAFARI turbo fitted are worth even more than a standard turbo conversion ( purely due to the SAFARI turbo kit specific for the Patrol - imported from Australia) I know of one GQ 4.2 diesel Patrol fully kitted that if you offered R145 000 for I believe you would be getting the deal of a lifetime. That is how fantastic that Patrol is !!!

On Yours, I believe you got a good deal there. A few scratches..... phhhhhhh ... .that adds character. Personally I would never wrap a car. A slight bit of rust or moisture stuck under that wrap will leave you with a big headache later on. I would rather take it to a panelbeater and let them rub down and repair any problem areas and respray. Then you are good to go for many, many km's

Now the turbos..... this is a difficult area. The turbos are low boost turbos. Generally they are set in JHB to 0.5bar. this is basically an altitude compensator. Down at the coast your NA diesel runs only fractionally slower/less powerful than, for an example my 4.2 turbo diesel up here in JHB. But let me come down to the coast and :surprised: :surprised: :surprised: :surprised: my Patrol moves like it has just eaten that Mother in law Durban curry and needs to get to the loo where the :fire: :fire: :fire: :fire: :fire: :fire: frozen toilet paper is ..... NOW!!!! :rolling: :rolling: :rolling: :rolling:

Push that boost up to 0.7bar, and the power difference is phenominal !! The Aussies push up over 1 bar boost. That makes the Patrol a little massive rocket....... but there is a price to pay!! Water overheating is an issue and can cost a good few Rands to rectify. EGT's ( Exhaust gass temperatures ) are a HUGE issue that needs to be maintained and monitored, again there is a price to pay. So... Its all about what you want from the Patrol.
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Re: Looking for a diesel GQ

Postby Alex Roux » 17 Mar 2015 17:33

I must say, I would not mind Grant's green mamba next to my witblits in the garage (in spite of the diesel!)
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Re: Looking for a diesel GQ

Postby Peter Connan » 17 Mar 2015 17:36

Please note that any GQ turbo you find is either a grey import (thus parts become an issue and Nissan expect you to pay a 100% non-refundeable deposit on any parts orders), or a modified vehicle.

Some of them are very good, some of them are terrible, so be careful.
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Re: Looking for a diesel GQ

Postby Tinus lotz » 17 Mar 2015 18:33

there is a very cool 4,2 turbo gq available for 120000 pm me i will send you the detail :thumbup:
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Re: Looking for a diesel GQ

Postby DMH » 19 Mar 2015 13:33

Cheers chaps!

Wahahaha Ricster you couldn't have described your TD's performance down at the coast any better!
And thanks for the advice on the wrap - canned that idea.

Hmmmm going to slowly be very tempted to fit on a turbo oneday - seems to pretty much double the power and torque!

But for now, just going to enjoy driving at no more than a 100kmph with the window down and the balmy Durban sun shining in..
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Re: Looking for a diesel GQ

Postby DMH » 19 Mar 2015 13:40

Peter Connan wrote:Please note that any GQ turbo you find is either a grey import (thus parts become an issue and Nissan expect you to pay a 100% non-refundeable deposit on any parts orders), or a modified vehicle.

Some of them are very good, some of them are terrible, so be careful.



Peter, would you mind elaborating on how they're terrible?

And are you specifically talking about the 4.2TD GQs?

Anything to look out for on the 4.2D's?

Thanks
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Re: Looking for a diesel GQ

Postby ricster » 19 Mar 2015 14:58

I'm going to jump in here quick before Peter answers you.

The TD42's are generally VERY robust, but were never designed to be turbo'ed. There are threads here ( viewtopic.php?f=44&t=2162&hilit=silver+top+vs+black+top and viewtopic.php?f=44&t=4274&hilit=silver+top+vs+black+top )

Now the confusing parts..... My 1999 GU Diesel Patrol has a " black top" TD42 motor. It has 30mm gudgeon pins, and has oil squirters under the pistons, but vacuum pump runs off the timing chain and not off the back of the alternator. So it seems I have a mixture of a silver and black top. However mine is not unique. I have seen 2 others with the same setup as mine, so I'm thinking Nissan sent a whole whack of 4.2 diesel GU patrols to SA with "old stock" motors that they chucked together. This is great news for us with the GU's.

Yours is more likely than not a "black top" TD42, due to the age. So is it a good one, or a terrible one ( terrible one may be a bit of a harsh word ), it's a bit difficult. Post a few pics of the motor from all directions even from the bottom. Due to the mileage ( these motors are good for at least 500 000km ), if you are willing to spend the money on a good turbo and intercooler and bigger radiator and extra external oil cooler ( the last two not a necessity, but will definitively help keep the temps down ) as well as a good EGT gauge, then rather go the whole hog. Open the motor and replace the bearings, check the pistons and rings and sleeves for wear and replace as necessary. Then you know all is good for another 500 000Km.

Service every 5000Km !!!!!
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Re: Looking for a diesel GQ

Postby Grant » 19 Mar 2015 15:15

Peter Connan wrote:Please note that any GQ turbo you find is either a grey import (thus parts become an issue and Nissan expect you to pay a 100% non-refundeable deposit on any parts orders), or a modified vehicle.

Some of them are very good, some of them are terrible, so be careful.



rolling: :rolling: :rolling: :rolling: :rolling: :rolling: :rolling: :rolling: :rolling: Says a owner of a GQ petrol that has a new engine . Tell how long your first engine lasted. . :rolling: :rolling: :rolling: :rolling: :rolling: :rolling: :rolling: :rolling: :rolling: :rolling: :rolling: :rolling: :rolling: :rolling: :rolling: :rolling: :rolling: :rolling: :rolling: :rolling: :rolling: :rolling: :rolling: :rolling: :rolling: :rolling: :rolling: :rolling: :rolling: :rolling: :rolling: :rolling: :rolling: :rolling: :rolling:


Also, for those who do not know, IC Nissan in Boksberg imported 10 x GQ Diesel 4.2'S which were sold in South Africa. Nissan warranty for 100k km. If you owned one you would know : :naughty: :naughty: :naughty: :naughty: I do not have to pay deposits at Nissan and best of all I am still running with the original engine and Troll has 412k km.

As for Turbo's I have a Safari system on and it runs very well. Around 95Kw on wheels and 340 Nm. Would not want any more, and reliability is great. Just make sure you change the engine oil every 5000 km.
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Re: Looking for a diesel GQ

Postby Peter Connan » 19 Mar 2015 17:50

DMH wrote:
Peter Connan wrote:Please note that any GQ turbo you find is either a grey import (thus parts become an issue and Nissan expect you to pay a 100% non-refundeable deposit on any parts orders), or a modified vehicle.

Some of them are very good, some of them are terrible, so be careful.



Peter, would you mind elaborating on how they're terrible?

And are you specifically talking about the 4.2TD GQs?

Anything to look out for on the 4.2D's?

Thanks


I am not talking about the basic engine, there is nothing wrong with that. In it's standard form, it is one of the most reliable engines ever fitted to a car.

I am specifically talking about turbo conversions done by unknown parties. There are some people who's work you can trust any day of the week and twice on sundays, but unfortunately there are no rules about who may do what work on a vehicle.

And a turbo conversion on a diesel vehicle has the potential to ruin that engine if it's done by somebody without the required knowledge.

So a good conversion is potentially both powerful and bulletproof, but a bad one can cost you a lot of money.

So all I am saying is, if you are looking at a GQ turbodiesel in SA, do as much homework as you can:
1) How long (in kilometers) ago was the conversion done?
2) Who did the work (and then what is their reputation)?
3) Look at the visible quality of any work done. These are probably not the items that will cause problems, but are an indication of the approach followed.
4) Is there an EGT gauge fitted, and was it fitted during the conversion? If there is, what does the current owner consider maximum allowable temp?
5) Is there a service history?
6) During the test drive, work it fairly hard up a long hill and check for any signs of high EGT's and high water temps.
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