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 Post subject: Project Fade To Black-HR31 Skyline. OMG! An update!
PostPosted: Sat Oct 10, 2009 12:56 am 
JNC Enthusiast

Joined: Wed May 21, 2008 2:41 am
Posts: 648
Location: New South Wales, Australia
Earlier this year my HR31 skyline was involved in a T-boning and ended up looking like this.
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I was a bit upset as I had owned the car for 13 years, and it was a particularly good example.
Anyway, I remembered an old Skyline club member who had an HR31 that had been in his garage for 5 years, so a deal was done and I became it's new owner.
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What will follow is my struggles to get it A, running, B, roadworthy, and C, finished. :roll:

The one thing that made me pursue this particular car is that it has a GTS-R engine installed.
The HR31 GTS-R is a homologation special made by Nissan for the purposes of Group A racing in the 80's.
It came with an R version of the RB20DET, a twin cam, 24 valve 2 litre straight 6, which means it had a factory tubular manifold, a giant To4e turbo, a larger throttle body, lighter flywheel, R specific ECU, and a few body addenda, (spoilers etc)

Only 800 were ever made, so this engine is rare, and they were only available in the Japanese domestic market..
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The car actually came with 2 GTS-R engines. 1 well blown up, but it gives you a better look at the manifold.
What you can see here is the heatshield the covers the manifold
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Cover removed
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Oops
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This will gave you an idea of the -R turbo against a standard RB20 one
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Which makes it one laggy S.O.B.

Hooks :shock:

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Last edited by 31GUN on Wed Nov 05, 2014 10:19 pm, edited 54 times in total.

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 Post subject:
PostPosted: Sat Oct 10, 2009 3:43 am 
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Joined: Wed Aug 12, 2009 7:39 am
Posts: 66
Location: Australia
Shame about the red one , the black one looks nice and being a rare model its going to be a sweet ride when finished


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 Post subject:
PostPosted: Sat Oct 10, 2009 4:43 am 

Joined: Thu May 01, 2008 4:07 am
Posts: 316
Location: South Australia
I remember reading about your car getting t-boned on skylines australia.

are you going to get the gts-r aero kit aswell?

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 Post subject:
PostPosted: Sat Oct 10, 2009 8:59 am 
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Joined: Wed Jun 18, 2008 10:05 pm
Posts: 89
Location: Princeton, Texas
nice ride

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 Post subject:
PostPosted: Sat Oct 10, 2009 10:50 am 
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Joined: Wed Apr 01, 2009 8:17 pm
Posts: 300
Location: Elkton MD
Well, im glad you weren't injured. but its so sad to see such a awesome machine like that get ruined :cry:

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 Post subject:
PostPosted: Sat Oct 10, 2009 12:25 pm 

Joined: Sun Mar 18, 2007 12:48 pm
Posts: 117
Location: 510 For Life, Fremont CA
Man, those first few pics are painful. Nice new ride tho, hope to see some nice updates on this.

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 Post subject:
PostPosted: Sat Oct 10, 2009 7:39 pm 
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Joined: Wed May 21, 2008 2:41 am
Posts: 648
Location: New South Wales, Australia
Benny, going to get the GTS-R wing, but I love the wank value of the front autospoiler, so that will stay.

As mentioned above, the car has been sitting in a garage for 5 years.
Subsequently, the inside of the fuel tank looked like this
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It doesn't look that bad in those pics, but trust me, it is
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The trailer we used to move the car didn't have a winch, so it had to be driven on and off.
when I checked out the car the fuel pump was dead (wonder why :roll: )
so I put in a new Walbro intank.
This is what it looked like after the trailer on/off thing
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So out came the tank
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And a cleaning we will go
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What can't be seen in those shot is the cuts on my hands from the razor sharp baffles and my subsequent swearing when fuel got into those cuts.

Here is a little piece of 80's gold unearthed in the boxes of crap that came with the car
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Hooks

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Last edited by 31GUN on Sun Oct 11, 2009 12:30 am, edited 1 time in total.

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 Post subject:
PostPosted: Sat Oct 10, 2009 11:47 pm 

Joined: Thu May 01, 2008 4:07 am
Posts: 316
Location: South Australia
I didnt realise you had an autospoiler.... they are much better.

I wish they had autospoilers on the DR30's aswell :(

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 Post subject:
PostPosted: Sun Oct 11, 2009 12:29 am 
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Joined: Wed May 21, 2008 2:41 am
Posts: 648
Location: New South Wales, Australia
Yeah, love the autospoiler.
Heavy though.
Best thing is they actually work to stabilize the car.
Had a switch operated one on the red car, but this car is an upmarket GTS-X. it comes down automatically at 80kph and goes up around 60kph.
Ooooh, luxury :D

Hooks

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 Post subject:
PostPosted: Sun Oct 11, 2009 3:11 am 
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Location: Sydney, Australia
Ahh, Hooks, one door closes and another one opens mate :) Now you have the ultra-spesh GTS-R goodness :D

BTW did you get the tank boiled out by a radiator specialist or something, or did you clean it out by hand?

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 Post subject:
PostPosted: Sun Oct 11, 2009 10:31 am 

Joined: Sun Mar 18, 2007 12:48 pm
Posts: 117
Location: 510 For Life, Fremont CA
Im guessing from the comments about cutting his hands, he did it himself. What did you use? That tank looks super clean now.

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 Post subject:
PostPosted: Sun Oct 11, 2009 11:12 am 
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Joined: Fri Oct 12, 2007 8:57 pm
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Location: Arlington, TX, USA
What ever happened to the red car? From the pics, it looks fixable...


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 Post subject:
PostPosted: Sun Oct 11, 2009 11:34 am 
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Joined: Wed May 21, 2008 2:41 am
Posts: 648
Location: New South Wales, Australia
Used a lot of the good stuff off the red car on the black and sold it off.
Over the years I had collected a few rare R31 bits which will make an appearance.
I wanted to use all the old school 80's stuff(like the turbo timer above) and have up to date suspension wheels etc.
I didn't get a shot of the black car on its original wheels, but here they are on the red car
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Hooks

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 Post subject:
PostPosted: Sun Oct 11, 2009 6:25 pm 
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Location: Ohio
Very cool. :tu:

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 Post subject:
PostPosted: Sun Oct 11, 2009 11:35 pm 
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Joined: Wed May 21, 2008 2:41 am
Posts: 648
Location: New South Wales, Australia
For those of you who are unsure of what we're talking about when mentioning Autospoiler, it's the bit with all the ugly stickers in this pic
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it folds up flat behind the front valance.

Hooks

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 Post subject:
PostPosted: Sun Oct 11, 2009 11:38 pm 
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Joined: Thu Jul 26, 2007 7:51 pm
Posts: 2209
Location: Sydney, Australia
Now you see it...
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..omg where did it go?!! :D
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 Post subject:
PostPosted: Tue Oct 13, 2009 2:58 am 
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Joined: Wed May 21, 2008 2:41 am
Posts: 648
Location: New South Wales, Australia
Next up, suspension.
The R31 Skyline had the first version of HICAS 4 wheel steering.
If set up correctly it is just noticeable.
But a combination of 22 year old shocks, and wheel aligners that always adjust the steering the same way....is not so good.

How it works is the diff is bolted to a cross member that also holds the trailing arms for the rear independant suspension.
Here is a pic of it out of the car
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The problem is the whole crossmember is pivoted by 2 small rams
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allowed by deformable bushes on the crossmember
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And a big rubbery bush on the back of the diff
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These all need to be rounded up, and in the case of the crossmember bushes, beaten into submission, and placed thus
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These will be replaced by some wonderful products from the Z31 club (America)
Diff hanger
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And crossmember bushes
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The Z31 and R31 rear suspensions being almost identical.

Hooks

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 Post subject:
PostPosted: Tue Oct 13, 2009 7:51 pm 
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Joined: Mon Jun 08, 2009 10:31 pm
Posts: 68
Location: Adelaide
good to see you were able to find such a rare car, I also remover my Hicas from my HR31. I didnt think to do anything with changing diff mount. what are you planning on using instead of the hydrolic rams? got any info on the diff mount so i could find one?


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 Post subject:
PostPosted: Tue Oct 13, 2009 7:55 pm 
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Joined: Fri May 15, 2009 6:55 pm
Posts: 390
Location: Richmond VA
Have you weighed that bucket yet? Free HP! Nice R31. We can't get them in the states for a couple more years...
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 Post subject:
PostPosted: Tue Oct 13, 2009 8:03 pm 
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Location: Arlington, TX, USA
Cycletech wrote:
We can't get them in the states for a couple more years...


What a glorious day that will be... :P


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