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James 85 Z31


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#1 tibbs.james

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Posted 19 April 2012 - 12:51 AM

Hello to all

I am James From New Zealand

I have been enjoying lurking around and reading all the valuable information here on Hybrid Z, I mostly Post on Z31Performance.com.

So Here is the very Short Version of my 300zx's Build

Started with an 85 Slick Top turbo in fairly poor condition

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Got right into the engine build
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Along with that came a full rebuild of the Borg Warner T5, I had quite a difficult time obtaining rebuild parts but got there eventually. I also added a nice uprated clutch.
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Rebuilt Some Suspension Stuff
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Got Some Tuning Gear to go with Nistune
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Found a cool Steering wheel That another Z31 owner had for sale online
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Blew a stock turbo to pieces due to incorrectly set timing, so while i was in there I opened up the housing on the stock T3 for more flow and made some other plumbing improvements
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Added a Nice 40mm Waste gate to the mixture of parts, its an hks copy but has been rebuilt with a genuine diaphram and had the piston shaft lapped in for zero leakage.
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Out and about with its twin, a local 2+2 Non turbo
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Sorting out the sub frame and Trailing arms
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Nice set of Brand New Koni Shocks, I would have preferred Yellow Rears but I could not pass on this deal
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#2 tibbs.james

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Posted 19 April 2012 - 01:05 AM

Had My Pentagon Hubs Machined into Circles to allow fitment of Z32/R32 280x30 Front Rotors & Calipers
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Even fits with 15" wheels if you use 20mm spacers
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Had a Look At the Rear Brakes too, being an early car it did not have the rear vented brakes, so i purchased some late style vented calipers and used some Jaguar rotors to make it work on the early control arm.

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Got Started on a conversion to a LOM59 Nismo 2 Way LSD
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Added a Z32 Finned Diff Cover and a Z31Parts.com diff mount
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While the diff was out I made a nice DS Safety Hoop
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Some Other Suspension Mods, Camber Plates & RCA's From Acadania Sports Car
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Made a solid Strut Brace and got a crack onto inter cooler piping, i had an old Galant/Evo VR4 core in good condition so I have used that for a start
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And Currently I'm taking a look into a converting to 2.5" Coilover Springs front and rear
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Made some Repairs to the front chassis
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Fabricated a brand new Lower half to match OEM from 1.2mm steel with additional reinforcement

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Did some panel beating on the old top and welded it back on
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All finished in Chassis Black
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So that's about 4 Years worth of build compressed into 2 Posts, hopefully that makes for a reasonable introduction

Edited by tibbs.james, 19 April 2012 - 01:10 AM.


#3 OldAndyAndTheSea

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Posted 19 April 2012 - 06:29 AM

Awesome work! Its sweet seeing an extensive z31 build for a change. Very cool car mate!

PM me for any composites related inquiries.


#4 tibbs.james

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Posted 27 April 2012 - 09:40 PM

Koni Damper Adjustable Shocks
ASCO Camber Plates
Jamex 5kg 220mm coilover springs, 120mm Steel Coilover Sleeves , and helper springs
ASCO Roll Center Adjusters
Urethane Bump Stops

Now i have a totally Pimped front end, here is how it looks
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I'm really happy how these came out, off to welding soon hopefully

#5 tibbs.james

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Posted 29 April 2012 - 01:46 AM

Mitsubishi Lancer GSR inter cooler now mounted in place with spare Swaybar end link bushings.
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I'm thinking about doing some ducting to that inter cooler does anybody have any idea's on what material to use ?

#6 tibbs.james

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Posted 12 January 2014 - 12:15 AM

Been a little while since I posted any updates to my build.
 
 
Lately i have been working on an Adjustable Rear Cross member.
 
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It has worked out really well, the bolts test fitted up very nicely and are now out for Zinc Coating, and finding some washers to suit the 13.5 shank diameter.
 
I am hoping to get the rear camber down to -1.0  from -2.5  and get the toe back in spec to parallel or even toe in  which i was not able to achieve earlier.
 
I have also upgraded the rear springs to 8kg/mm from 7kg/mm it has helped the rear end squat a lot
 
 
In the near future I am hoping to recondition these Z32 wheels for some sticky rubber for track days and such. 
 
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#7 tibbs.james

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Posted 12 January 2014 - 12:15 AM

Been a long time since i posted, so a bit of a picture update for you guys.
 
Working in finishing up the headers i started way back.
 
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Modifying a 3" core inter cooler for shorter pipe runs and a 2.5 inlet / 2.75 outlet
 
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Built and installed the Jaycar Electronic boost controller kit 
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Slapped in a Genuine good quality Autometer Sport Comp Boost Gauge 
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Decided i needed a GT35 for some more puff
 
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and banged in a RZ wastegate for good measure
 
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#8 tibbs.james

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Posted 12 January 2014 - 12:16 AM

Made a bit of progress since the last update
 
Swapped over the very twisted front bumper to a nice straight one, had a bit of an issue getting Non Bumper shock brackets to fit a "bumper shock" frame but some careful work unspotting seams and removing material revealed the correct holes ready to go !
 
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After some frustrating test fits i have found the correct mounting position to allow it all to fit with an absolute minimum of trimming the plastic bumper. 
 
The mounting points have been removed, and new ones being welded in 3 locations. 
 
Once painted black it should allow a full stealth mode cooler.  No holes have been cut in the bodywork, and mounting it requires no extra holes in the bumper either  :D


#9 tibbs.james

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Posted 12 January 2014 - 12:17 AM

Got a bit more done with the Oil Catch tanks and some plumbing details.
 
Things are looking a bit tidier now
 
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#10 tibbs.james

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Posted 12 January 2014 - 12:17 AM

This update is pretty much DJZ's fault
 
he is such a machine at turbo swaps that i felt so bad i went and worked on my car a bit more.
 
 
Today I threw in the Flexi Bellows and the turbo feed pipe to see how it all goes together as an installed system.
 
Hit a few snags with gearbox clearance so another minor change to the Y pipe but nothng serious
 
One thing I noticed today is the clutch master line is getting in the way - but after a quick google a Navara one has the same cylinder but with the hose poking out the side like this. D21NavaraClutchmasterCylinder_zps97804b1
 
Turbo flange and engine mount
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The whole lot - just slip fitted together
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Clutch Master Scenario - the line is touching so thats no good
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Not shown but amazingly the heater lines do fit inbetween all of this
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Plenty of room for an exhaust through here - Note that engine mount has not been fully trimmed yet it needs another few licks with the grinder.
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Next job is to remove the Liner's from each flexible bellows, then do final tack welds in place
 
Kids seems keen as for some tig work so hopefully he can smash it out for me once i get organised.
 
Also got my final 100% finished version of intercooler pipes, one side has a million pie cuts but i think it looks great
 
another job ticked off the list 
 
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Jobs to do 
 
Weld flexi's into headers
Rebuild Turbo
Build downpipe and flange
Build Oil Drain line
work out some sort of position for the Greddy Blow off valve





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