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tibbs.james

James 85 Z31

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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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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

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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

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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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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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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

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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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