Outer Limits 4x4 Board

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.

holy sh1t !

25PSI?

my mates is 178 wif those mods its inpressive

mine is about 90 i think

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

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.

[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!

I'm guessing he ment 570NM if that's right he has 420.09 ft.lb

I read that and thought fffffark, that sounds like a lot. But I only really know pounds. Thanks dude.

Nice result

Layto....

I'd be happy with 120-130kw at wheels...

bogged wrote:I'd be happy with 120-130kw at wheels...

Yeah im hoping for around 140!

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!

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

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

Safari manifold

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.

bogged wrote:I'd be happy with 120-130kw at wheels...

Not if you'd driven one with 170!

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 :(

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

Oh and I forgot to ask matt, can I have a go?

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.

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

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

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

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.

This is from 2 year ago. TD42T
35 and 4.11

How??????? What needs to be done to get this sort of power?

and i thought mine was killing it.



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???