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TD42 Dyno Results

Tech Talk for Nissan owners.

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TD42 Dyno Results

Post by sparky »

For anyone whos interested finally got my GU on the Dyno.
Results were impresive (I Thought).

173.8 KW on a stinking hot day.
Torque is in newtons (about 5700)
Only mods are roller turbo, good intercooler and pump mods.

If Turps reads this post the graph up for me please.
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Post by Mulisha »

holy sh1t !

25PSI?

:shock:
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Post by tna racing »

my mates is 178 wif those mods its inpressive
1993 Gq lwb with added xtra's :) sold
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Post by dirtyGQ »

mine is about 90 i think :oops:
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Post by Dzltec »

Sounds like the bar needs to be lifted, a lot of 150 -170 rwkw diesels around, who has higher rwkw dyno sheets?

It would be good to see a dyno chart, but great results sparky


Andy
www.diesel-tec.com.au Ph 03 9739 5031
Ball bearing turbo upgrades for factory turbo vehicles. Got a diesel question just ask.
Home of the twin turbo shorty and many 150rwkw+ patrols.
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Post by Mulisha »

Jee i hope i can get at least 160KW out of my TB42 turbo running a garrett TO4E turbo with tunned length manifold and 50mm wastegate and 3" dump pipe and 3" mandrel exhaust running on LPG thru a full Gas Research system.. running 10PSI..


I thought 160kw wasn't really going to be in my leauge but that's a awersome KW rating mate..
Can anyone post a dyno readout or what PSI there running etc and what mods so others can follow..


Cheers

Rick. :D
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Re: TD42 Dyno Results

Post by beretta »

[quote="sparky"]Torque is in newtons (about 5700)[quote]

Whats that in pounds? I'm a bit old fashioned on torque :)

Thats impressive results overall alright, nice!
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Post by Mulisha »

I'm guessing he ment 570NM if that's right he has 420.09 ft.lb :cool:
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Post by beretta »

I read that and thought fffffark, that sounds like a lot. :oops: But I only really know pounds. Thanks dude.
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Post by lay80n »

Nice result :D

Layto....
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Post by bogged »

I'd be happy with 120-130kw at wheels...
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Post by BIg StEvE »

bogged wrote:I'd be happy with 120-130kw at wheels...
Yeah im hoping for around 140!
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Re: TD42 Dyno Results

Post by BIg StEvE »

sparky wrote:For anyone whos interested finally got my GU on the Dyno.
Results were impresive (I Thought).

173.8 KW on a stinking hot day.
Torque is in newtons (about 5700)
Only mods are roller turbo, good intercooler and pump mods.

If Turps reads this post the graph up for me please.
Awesome work! :armsup:
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what

Post by tuf045 »

what size roller turbo? is it on the standard gu nissan manifold?
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Re: what

Post by bogged »

tuf045 wrote:what size roller turbo? is it on the standard gu nissan manifold?
you can do to std manifold, with an adapter plate.. PM JUZZA for info
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Post by sparky »

Safari manifold
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Re: what

Post by Juzza »

tuf045 wrote:what size roller turbo? is it on the standard gu nissan manifold?
As Sparky said we used a safari cast manifold and a 400 hp rated Garrett ball bearing turbo ( cant remember pt no, can look it up if you want) and it was over 30 degrees in the dyno cell when we were running it.
It was also done on 35" bfgs and running standard ( 4.1:1 ) diff ratios.
This truck is fairly simple and has more development left in it so we might have a better figure soon. A cooler day would have helped a fair bit but you don't always get ideal conditions.
The torque being in Newtons is a pain but to give you a comparison a standard factory turbo TD42 may post around the 2500 Newtons mark.
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Post by Juzza »

bogged wrote:I'd be happy with 120-130kw at wheels...
Not if you'd driven one with 170! ;)
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Post by bogged »

Juzza wrote:
bogged wrote:I'd be happy with 120-130kw at wheels...
Not if you'd driven one with 170! ;)
shhhhhhhhhhhh..... I dont wanna drive one with 170... (yes I do! but cant afford it)

PS. I'd root the queen to have them mods you PM'ed me about, but owe lawyers $5k at moment :(
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Re: TD42 Dyno Results

Post by turps »

sparky wrote:
If Turps reads this post the graph up for me please.
Ok here it is, since Sparky and juzza are computer spaz'z

Image
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Post by turps »

Oh and I forgot to ask matt, can I have a go?
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Post by RoldIT »

This should be your Nm reading (assuming the Dyno Dynamics roller is 217mm diameter) ...

5700 x 0.1085 = 618.45Nm



Pulled from another forum - http://www.ls1.com.au/forum/archive/ind ... 58483.html
You get this figure by muliplying the Tractive effort by 0.1085, which is the conversion from Newtons (tractive effort, or Motive Force) to Newton Metres on a Roller of a Diameter of 217mm, which probably would of been the diameter for the dyno you were tested on.

The Roller Torque is what is used to Calculate the Power at the Rollers, the Tractive Effort is actually a calculation as well, based off the Roller Torque.
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Post by Jimbo »

Actually i would multiply 5700N * 0.4445m which is the distance from the edge of a 35" tyre to the centre(T= Force X distance)

and then divede by 4.1 (the diff ratio) which gives 617.9NM


Yes i know this is almost the same but that is just a fluke. If he had the same figures on 33" tyres his torque would have been 582NM

Cheers

Jimmy
Last edited by Jimbo on Wed Feb 07, 2007 10:18 am, edited 1 time in total.
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Post by Brendan-s »

:shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock: :shock:
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Post by Dzltec »

Is this a petrol or diesel? It has a very flat torque line for a diesel.

Got graphs of boost and air fuel ratios as well. All in all a very good effort. Now to put it down the 1/4 mile and see what it can do.


Andy
www.diesel-tec.com.au Ph 03 9739 5031
Ball bearing turbo upgrades for factory turbo vehicles. Got a diesel question just ask.
Home of the twin turbo shorty and many 150rwkw+ patrols.
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Post by gorilla »

Dzltec wrote:Is this a petrol or diesel? It has a very flat torque line for a diesel.

Got graphs of boost and air fuel ratios as well. All in all a very good effort. Now to put it down the 1/4 mile and see what it can do.


Andy
Td42 is a 4.2ltr Diesel
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Post by turps »

Dzltec wrote:Is this a petrol or diesel? It has a very flat torque line for a diesel.
Andy
Blows chafe like a diesel.
From what I know. Its a std Factory turbo motor. With a new turbo and intercooler fitted. Anyone want the orginal, its still sitting on my spare room floor and its for sale. It also has a modded injector pump, 4" inlet with toyota aircleaner.
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dyno

Post by heathgu »

Image
This is from 2 year ago. TD42T
35 and 4.11
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Post by Nelso »

How??????? What needs to be done to get this sort of power?
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Post by mickyd555 »

and i thought mine was killing it. :roll:

Image

33's and 4.375's, non intercooled yet. still needs another tune as the boost should have been adjusted here. max boost was 13.7 PSI but it dropps off too early to about 10 PSI.

hows that go with comparison to HeathGU's on larger tyres and different ratios???
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