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okay lets continue this story.

new box in. this box had a measly 11,000kms on it. Pulled from a car back in the 90's filled with oil and kept in storage for a mate of mines personal project...which never happened but i got to reap the rewards.

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fresh rear hub assemblies as one had started the develop a slight wheel bearing noise at speed under load. last thing i wanted was a wheel bearing failure at speed. fresh studs where a nice touch too

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when installing the new box we noticed this with the Clutch slave. have since found out the 15/16" HFM units have an issue where the body of the cylinder just touched the bellhousing before the mounting tabs are flush causing a angled force which results in this over time. OEM nissan unit back on for now. see how it holds as my clutch had required a bigger cylinder due to blowing out the seals in the stock sized ones.

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all back together an track day ready.
As expected the super low kms RB25DET gearbox was butter smooth and really changed how enjoyable the car is to drive!

follow up post from the track day coming soon!

 

 

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Track day October 2019
track wheels on

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lined up ready for the session 

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coming back in

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cooling down

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*Euro beat intensifies*

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Having a blast and matching my old PB when in the first afternoon session...the T3 gasket melts again. The resulting leak effectively creates a gas torch which ended up melting the hose inside my braided waterline so my day in the 32 ended here. Though my mate let me drive the above AE86 in all its stripped out NA big brake glory and so much fun was had!

Still i limped the car home without any overheating.

 

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post track day tear down

another T3 gasket melted. This one was a genuine Nissan complete with flame rings

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Brass nuts mushroomed
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"flame proof hose"

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pitting in T3 manifold flange

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spent a long time carefully facing both flanges

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installed inconel studs and copper nuts (generic pic but you get the idea)

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all back together. With the fresh gaskets, inconel studs and copper nuts. Along with carefully facing the flanges and using the Nissan nut retaining washer tabs i have done as much as i can.

The main issue is the turbo is technically too small for the motor and is running outside the efficiency map so lots of heat is generated. So if this doesn't hold i guess the only option is a bigger turbo.

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Saw your car at all jap day, love the trak spec cars at those events 

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On 3/1/2020 at 8:05 PM, mr_rbman said:

Saw your car at all jap day, love the trak spec cars at those events 

oh awesome. You had your GTR on "yy plates" ?

Come say hi if you ever catch me out an about!

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6 minutes ago, Looney_Head said:

gutted about the gasket letting go again, setup looks awesome.

to be fair i never took heaps of car re-facing both flanges when replacing the gasket so i think previous issues with the heat and stretching studs/melting nuts where exacerbated by a slightly warped flange.

Cheers though!

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3 hours ago, CRSKmD said:

oh awesome. You had your GTR on "yy plates" ?

Come say hi if you ever catch me out an about!

ye that's me...

Will do 

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Some pics from All Japan Day 2020.

sneaky  feature of the Starlet daily and the pupper

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Have had some issues with high speed stability on track so a couple of years ago now i picked up a GTR wing with one of those wank flaps pre-installed reasonably cheap.

Basic simulations suggest it will do something even with the higher roof line of the sedan.

Top Stock GTR wing (only aero surface modelled). Bottom no wing.

the added flap may actually help to compensate for the higher roof line so we'll see

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Genuine wing too :D

unfortunately someone had hacked it up to fit a silvia(?) :mad:

so the plan is to reshape it as close as i can and have it on a spare boot lid i can swap on and off for track days as i still like the look of the boot lip. I'll likely take off the extended flap too.

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I have read this, hello fellow 4 door person.

It was nice to know my own foray into "I'll just do a few track days and just break everything, repeatedly" was not the only one, as I had many of the same problems until I said fk it, turbos can get f**ked, f**king flanges f**king manifolds f**king lines f**king heat f**king wiring f**king diffs f**king gearboxes f**king overheating f**king

And then go do it all again :D

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49 minutes ago, Kinkstaah said:

I have read this, hello fellow 4 door person.

It was nice to know my own foray into "I'll just do a few track days and just break everything, repeatedly" was not the only one, as I had many of the same problems until I said fk it, turbos can get f**ked, f**king flanges f**king manifolds f**king lines f**king heat f**king wiring f**king diffs f**king gearboxes f**king overheating f**king

And then go do it all again :D

its a slippery slope for sure haha. One minute you have a mediocre daily.. nek minnit you are happy if it lasts a 15min session problem free

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Awesome build mate 👌. Been reading this on and off and have really enjoyed it. I really appreciate the dedication you've had to this car and wish I'd done the same sorta stuff to mine. I put a neo in my 32 nearly 10 years ago and apart from a few minor mods that's as far as I got. Hearing the sound of yours with the gate open is like a heavenly choir from the gods. Very inspirational look forward to seeing what happens in the future for this car.

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