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 Post subject: Re: Project fade to black- 1987 HR31 Skyline
PostPosted: Fri May 10, 2013 10:57 pm 
JNC Enthusiast

Joined: Wed May 21, 2008 2:41 am
Posts: 645
Location: New South Wales, Australia
A couple of arty shots.

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 Post subject: Re: Project fade to black- 1987 HR31 Skyline
PostPosted: Thu May 23, 2013 3:40 am 
JNC Enthusiast

Joined: Wed May 21, 2008 2:41 am
Posts: 645
Location: New South Wales, Australia
So.....I had this on DVS Motorsports dyno yesterday.
It now has a Nistune, a Z32 AFM, and a tune.
As soon as I can fish up the dyno sheet I'll post it.

And here is a random pic.

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 Post subject: Re: Project fade to black- 1987 HR31 Skyline
PostPosted: Thu May 23, 2013 4:50 am 
JNC Enthusiast

Joined: Wed May 21, 2008 2:41 am
Posts: 645
Location: New South Wales, Australia
Before

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203 horsepower at the wheels.

After

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234 horsepower at the wheels.
The dip in the middle is where the injectors go from sequential to batch firing.

The ecu plug issue reared it's ugly head once more.
We have it down to 5 wires that go into the plug.
4 earths and a white wire in the end plug (the purple one)
So that will mean a trip to the sparkies.

We got the Nistune stable though, fitted the Z32 AFM and proceeded to tune.
Last dyno run (at Unigroup) 12psi and 152kw.
On Jezs dyno-
13psi and 164kw base run.
13psi & tune and 170kw
Final 175kw at 14psi and it's pretty much out of injectors.

Need to fix the wiring issue.
He wants a better air filter (standard is in it), just a better flowing panel filter will make him happy.
Better dump. I told him my plans in this area and he approves.
Oil catch can vented to air.

Next time with all the above we'll sling the GT-R injectors in it and see what's what.

Of interest is the way the power ramps up with just small increases in boost.

Jez- "jeez! it loves a bit of boost doesn't it.
Wicked it up briefly to 16psi and it just ran out of fuel.
But it made heaps more power, like 10 extra kw at 5000rpm."

So all in all a pretty interesting day.

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Last edited by 31GUN on Sat May 25, 2013 2:33 pm, edited 1 time in total.

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 Post subject: Re: Project fade to black- 1987 HR31 Skyline
PostPosted: Sat May 25, 2013 2:31 pm 
JNC Enthusiast

Joined: Wed May 21, 2008 2:41 am
Posts: 645
Location: New South Wales, Australia
Here are a couple of pics from the dyno day.

Getting set up

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Jez hard at work. He's a Nissan and Nistune specialist.

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In other news, I put one of these in today.

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 Post subject: Re: Project fade to black- 1987 HR31 Skyline
PostPosted: Fri May 31, 2013 2:17 am 
JNC Enthusiast

Joined: Wed May 21, 2008 2:41 am
Posts: 645
Location: New South Wales, Australia
Okay. So one of the things Jez noticed was that while the intercooler was working really well, the under bonnet piping got quite hot.
Could I do something about it?
Well as a matter of fact yes.
A few years ago, a mate of mine who works at an unnamed airline (what's that Skip? Timmy's fallen in the beer vat again?)
gave me some insulating material that they use on large aircraft.
It looks like this.

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Shiny and aluminiumised on one side and fibrous (glass?) on the other.
Works a treat for insulating various hot stuff, so I thought it would also work keeping heat out.

Cut some strips....

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...and proceeded to wrap the post intercooler piping.

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After a bit of a haircut...

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Piping back in.

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With all the other stuff back in place it's barely noticeable...

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For those of you having trouble seeing it...

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Job done.
Got to be worth an extra 10kw once the going gets hot I reckon

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 Post subject: Re: Project fade to black- 1987 HR31 Skyline
PostPosted: Sun Jun 09, 2013 2:07 pm 
JNC Enthusiast

Joined: Wed May 21, 2008 2:41 am
Posts: 645
Location: New South Wales, Australia
A few pics from the track day on Saturday.

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All pics copyright and thanks to Ravi.

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 Post subject: Re: Project fade to black- 1987 HR31 Skyline
PostPosted: Wed Jun 12, 2013 5:33 pm 
JNC Enthusiast

Joined: Wed May 21, 2008 2:41 am
Posts: 645
Location: New South Wales, Australia
Checkout what I just scored!

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Brand new, still in the box!






Not impressed?

Here are a couple out of the box.

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Genuine Nissan R200 finned alloy diff cover.
Larger capacity too.

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 Post subject: Re: Project fade to black- 1987 HR31 Skyline
PostPosted: Thu Jun 13, 2013 10:09 pm 
JNC Enthusiast

Joined: Wed May 21, 2008 2:41 am
Posts: 645
Location: New South Wales, Australia
Image

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 Post subject: Re: Project fade to black- 1987 HR31 Skyline
PostPosted: Thu Jun 13, 2013 11:17 pm 
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Joined: Sun Jan 11, 2009 7:03 pm
Posts: 196
Location: Australia
31GUN wrote:
Checkout what I just scored!

Image

Image


Brand new, still in the box!






Not impressed?

Here are a couple out of the box.

Image

Image

Genuine Nissan R200 finned alloy diff cover.
Larger capacity too.


Love these, I want one too! :D

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 Post subject: Re: Project fade to black- 1987 HR31 Skyline
PostPosted: Thu Jun 13, 2013 11:34 pm 
JNC Enthusiast

Joined: Wed May 21, 2008 2:41 am
Posts: 645
Location: New South Wales, Australia
Some more pics of the diff cover.

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As far as I know they were a standard part for the Z31 turbo.
Did any Z31 turbs ever come to Aus?
Someone told me the JDM viscous R200 Cima had one too as standard.

Apparently you drill out and tap the 2 blanks for oil cooler lines.
Image

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 Post subject: Re: Project fade to black- 1987 HR31 Skyline
PostPosted: Sun Jul 14, 2013 10:07 pm 
JNC Enthusiast

Joined: Wed May 21, 2008 2:41 am
Posts: 645
Location: New South Wales, Australia
Slow reveal.

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 Post subject: Re: Project fade to black- 1987 HR31 Skyline
PostPosted: Mon Jul 15, 2013 11:13 pm 
JNC Enthusiast

Joined: Wed May 21, 2008 2:41 am
Posts: 645
Location: New South Wales, Australia
Image

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It's the early one with the oil cooler holes drilled and tapped.

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 Post subject: Re: Project fade to black- 1987 HR31 Skyline
PostPosted: Sun Jul 21, 2013 1:41 am 
JNC Enthusiast

Joined: Wed May 21, 2008 2:41 am
Posts: 645
Location: New South Wales, Australia
Okay, picked up some damaged Hoshino Racing 15x7+5s.
Pics show damage. Only 1 good rim.
Deciding what to do with them.
I really love Hoshinos, but I think fixing them may cost more than they are worth.

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The worst damaged one.

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 Post subject: Re: Project fade to black- 1987 HR31 Skyline
PostPosted: Sun Jul 21, 2013 7:13 am 

Joined: Mon Aug 06, 2012 4:54 am
Posts: 318
Location: Yokosuka, Japan
could easily rebarell them :tu:


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 Post subject: Re: Project fade to black- 1987 HR31 Skyline
PostPosted: Sun Jul 21, 2013 1:52 pm 
JNC Enthusiast

Joined: Wed May 21, 2008 2:41 am
Posts: 645
Location: New South Wales, Australia
Not so easily.
All welded together. Effectively a 1 piece rim.

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 Post subject: Re: Project fade to black- 1987 HR31 Skyline
PostPosted: Sun Jul 21, 2013 9:31 pm 
JNC Enthusiast

Joined: Wed May 21, 2008 2:41 am
Posts: 645
Location: New South Wales, Australia
Okay. the Hoshinos can be fixed and would look like brand new if I was to do it.

Question is, what is a pristine set of 15x7-5 Hoshinos worth?

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 Post subject: Re: Project fade to black- 1987 HR31 Skyline
PostPosted: Mon Jul 22, 2013 1:26 am 

Joined: Tue May 28, 2013 7:11 am
Posts: 4
Nothing, you might as well just give them to me. I'm sure I could make something out of them :P


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 Post subject: Re: Project fade to black- 1987 HR31 Skyline
PostPosted: Mon Jul 22, 2013 2:13 am 
JNC Enthusiast

Joined: Wed May 21, 2008 2:41 am
Posts: 645
Location: New South Wales, Australia
How do you reckon they'd look on the Z?

Srs now.

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 Post subject: Re: Project fade to black- 1987 HR31 Skyline
PostPosted: Mon Jul 22, 2013 3:22 am 

Joined: Tue May 28, 2013 7:11 am
Posts: 4
Probably something like the attached photo, which is why I have always wanted them. Plus they are a great "safe" offset. Are they +5 or -5 offset because you have mentioned both.

Image


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 Post subject: Re: Project fade to black- 1987 HR31 Skyline
PostPosted: Mon Jul 22, 2013 3:46 am 
JNC Enthusiast

Joined: Wed May 21, 2008 2:41 am
Posts: 645
Location: New South Wales, Australia
15x7-2.
$900 to fix them.

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