D-tronic or not to D-tronic

Submitted: Wednesday, Jul 20, 2005 at 07:53
ThreadID: 24896 Views:3222 Replies:6 FollowUps:12
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I recently bought a 3litre 2005 GU-IIII manual.....
I have been driving a GQ 4.2litre with aftermarket turbo with 10pound boost and whist only still in the first 1000km stage of taking it easy i find the power of the GU running rings around the GQ when it was at full song....
Does the D-Tronic system change the boost or just the fuel mapping and timing?..
I am not even sure if i need any more power as i dont tow anything..
I wanted to buy a 3litre in 2002 but i waited till they sorted things out...
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Reply By: Chaz - Wednesday, Jul 20, 2005 at 08:33

Wednesday, Jul 20, 2005 at 08:33
Voxson,
As far as I am aware it will only alter your fuel timing in a more precise manner, and work in conjunction with your ECU. From what I've found it may help control boost, but not increase it.
It will help extend the life of your clutch.
Check the Safari Site for details and test results on the dtronic.
Chaz
AnswerID: 121255

Follow Up By: Nudenut - Wednesday, Jul 20, 2005 at 11:11

Wednesday, Jul 20, 2005 at 11:11
Chris G has always got a stubby in his hand
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Follow Up By: Chaz - Wednesday, Jul 20, 2005 at 11:29

Wednesday, Jul 20, 2005 at 11:29
Nudie,
Thats not so bad! I always thought alcohol and guns went well together, but I'm sure some would disagree.
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Follow Up By: Voxson (Adelaide) - Thursday, Jul 21, 2005 at 19:25

Thursday, Jul 21, 2005 at 19:25
Hi Chaz... Nice website... Takes me back to the gool ol 80's and 90's at A.I.R. I forgot what Lumpy looked like till i saw him standing next to your car at the xmas tree...
LC GTR was my flavour before all that Nitrous Crap came into the equasion and made 12.2 look like walk in the park...
Now i think every 6cyl runs gas and 10's......
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Follow Up By: Chaz - Thursday, Jul 21, 2005 at 20:20

Thursday, Jul 21, 2005 at 20:20
Voxson,
Thanks Mate!
Yeh, I gave it up in the late 80's after smacking the wall at 110mph, but it was all good fun and relatively cheep back then.
Back on the subject, a good mate of mine (4x4Trecker) recently purchased a new GU4 and having seen the improvement, with my GU3 and the dtronic, decided to email Safari to get the lowdown on GU4's and dronics. The reply was that the GU4 would have the same output as earlier models eg. 133Kw and 420Nm. So the improvement is't as dramatic in the manual, but an extra 40Nm must be worth something.
The difference is that the GU4 has been remapped in the manual version only to improve clutch life and that the auto didn't need the extra torque.
I would definately want one if I had a manual, to further improve the clutches life, not to mention the other advantages.
But they are a bit pricy.
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Follow Up By: Nudenut - Friday, Jul 22, 2005 at 07:53

Friday, Jul 22, 2005 at 07:53
they go well together just as long one aint doing both at the same time
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Follow Up By: Voxson (Adelaide) - Friday, Jul 22, 2005 at 21:04

Friday, Jul 22, 2005 at 21:04
I am umming and erring about the purchase.... I can pick one up for $1420....
I may have to buy one to find out...
I went up the beginning of the freeway and 5th gear all the way... How much better can it get?...
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Reply By: Wizard1 - Wednesday, Jul 20, 2005 at 08:34

Wednesday, Jul 20, 2005 at 08:34
Voxson,
You would be better off to contact (Safari) Dtronic direct for info on how it actually works. I have one fitted and I believe it does nothing more than re-map the fuel and adjust timing. The turbo is not linked to the engine management system. It can be adjusted through the fitting of a Boost Control Valve which allows the boost to come on earlier in the rev range, which can be an advantage when towing or driving in sand. Improvements can also be obtained through the fitment of a mandrel exhaust which reduces flow restriction.

Having said all that, if you don't tow, then you may not need any of the above improvements.

Wizard
Prado TD
Gold Coast

AnswerID: 121256

Follow Up By: hl - Wednesday, Jul 20, 2005 at 08:52

Wednesday, Jul 20, 2005 at 08:52
Hi,

The 3.0l engine is very much controlled by the computer. Including the boost through a variable nozzle control on the turbo.
As i understand it, the current crop of the 3l engine benefits little from re-mapping. It already has substantially more torque then the previous version (prior to 2004). You may want to confirm this with the Dtronic people.

Cheers

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Follow Up By: Leroy - Wednesday, Jul 20, 2005 at 09:02

Wednesday, Jul 20, 2005 at 09:02
'The turbo is not linked to the engine management system'

That may be the case with the Prado!

Leroy
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FollowupID: 376286

Follow Up By: Voxson (Adelaide) - Wednesday, Jul 20, 2005 at 11:23

Wednesday, Jul 20, 2005 at 11:23
Is it a "WOW" addition or just a "uh ok" addition?
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Follow Up By: Chaz - Wednesday, Jul 20, 2005 at 11:31

Wednesday, Jul 20, 2005 at 11:31
Voxson,
When I fitted mine, I went WOW!
Money well spent.
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Follow Up By: Leroy - Wednesday, Jul 20, 2005 at 11:47

Wednesday, Jul 20, 2005 at 11:47
I drove a Patrol with a dtronic and I thought it was a bit 'uh ok'. This was a 2000 mdl and the dtronic was purchased in 2000 also. I heard that there were some problems with the early dtronics hence my 'uh ok' response.

LEroy
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FollowupID: 376316

Reply By: Martyn (WA) - Wednesday, Jul 20, 2005 at 17:41

Wednesday, Jul 20, 2005 at 17:41
Voxson,
From what I understand the D-Tronic changes all sorts of things and allows higher temps within the system, which includes the boost to fuel ratio etc. I've fitted the D-tronic and yes it has made a difference, low down and up at the top more so. Fuel consumption is ever so slightly worse, performance comes at a price unfortunately. I find that the engine seems "happier" when towing, I did a sand run last year the performance was considerably different, for the better. I'm glad I fitted the D-Tronic, in case I have any mechanical problems I have to remeber to take it off for the warranty issues it presents. I have a 2000 3.0 ltr TD, an early one so I'm a tad more sensetive to mechanical issues which touch wood I haven't had as yet. Fitting a 3 inch exhaust pipe from the braided section at the front pipe also made quite a significant change after fitting the D-Tronic. Something to be aware of. As usual my experiences and views.
Keep the shiny side up

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AnswerID: 121333

Reply By: Farside - Thursday, Jul 21, 2005 at 13:22

Thursday, Jul 21, 2005 at 13:22
Voxson

I recently read some where that due to the remapping in the 2005 GU that the D-Tronic system did not improve the low down torque all that much. I have a 2005 GU and I am waiting for some more people to have a go before I purchase the system.

Angus
AnswerID: 121436

Follow Up By: Voxson (Adelaide) - Thursday, Jul 21, 2005 at 19:10

Thursday, Jul 21, 2005 at 19:10
Yes.. I am in the same boat.... The new GU has 380nm and not the original 354nm of last year...
I am a bit scared to spend the money just at the moment also..
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FollowupID: 376609

Reply By: Member - Glenn D (NSW) - Friday, Jul 22, 2005 at 22:48

Friday, Jul 22, 2005 at 22:48
Hows it going ,

Have found the dtronic to be the best accsessory that I have bought for my patrol, 2001 model .

I believe the unit obtains the advertised figures , you just have to work out if this is a worthwhile modification for your vehicle, for me this was the simplest / most cost effective way to get more power. IE plug and play

My vehicle suffered a kind of deadband low in the rev range , more apparent in the manual , which has been removed.

Glenn
AnswerID: 121686

Reply By: NedKelly - Saturday, Jul 30, 2005 at 08:46

Saturday, Jul 30, 2005 at 08:46
From what I understand the Dtronic is just a variable resistor. Have read of a few people having problems with them eg. engine light coming on, radio interferance. Their customer service sux too. ;)
AnswerID: 122834

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