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Project : Gt3071r In Progress...

Nabil

By Nabil,
in Engines & Forced Induction

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Nabil Rising Star

Nabil

Posted
Posted (edited)

Just purchased my GT3071R

56 trim, 71mm compressor wheel

4inch compressor cover

T3 flanged with 0.71 exhaust a/r,

which mates up with the stock dump-pipe.

post-21233-1165133372.jpg

post-21233-1165133652.jpg

Cost me $1900 from Rotomaster in Melbourne

Would of cost me a further $100 for a GT30 style 0.63 ex-housing,

but would of cost a further $300 for a custom dump pipe.

Oil and water lines were custom made by HIS and cost me $330- all braided except oil drain pipe.

Some bango fitting from the stock unit were chopped and re-used.

BTW - Turbo needs a 10mm spacer between turbo and manifold,

as comp cover is quite large.

Stay tuned for further updates...(more pics/ dyno graph/etc.) :)

Edited by Nabil
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Nabil Rising Star

Nabil

Posted
  • Author
Posted (edited)

The compressor cover was hitting the manifold,

so I had to use a 10mm spacer and remove the four manifold bolts.

I replaced them with approx. 10mm longer ones

Below is a picture of the four bolts that had to be removed

and replaced with longer ones.

(4 bolts and nuts from Metric Man cost me $6)

post-21233-1165134668.jpg

The yellow rectangle highlights the section of the manifold

that comes into contact with the compressor cover.

Edited by Nabil
Nabil Rising Star

Nabil

Posted
  • Author
Posted

Latter on i realised that it was not sitting flush with the manifold.

The heat shield had to be removed & the bottom right bolt had

to be threaded in 5mm deeper as i could not put the nut on it.

This is a picture of the set-up when I placed it on this morning at 4:30am

(Me and my mate were burning the midnight oil into the early hours of the day. :) )

post-21233-1165137233.jpg

the arrow is pointing to the bolt that had to be threaded deeper.

Nabil Rising Star

Nabil

Posted
  • Author
Posted

Will use a power fc

ATM: Mods are:

Full 3inch exhaust

Apex FMIC (its quite small)

HKS GEN 3 EBC

BOSCH pump

HKS mushroom filter

It made 211.2rwkw on 12psi with a SAF-C

Cannot wait till this one starts spoolin' :)

Dale FZ1 Veteran

Dale FZ1

Posted
Posted

That looks like a big comp cover - no wonder you needed the spacer.

What is the origin of the turbine housing? 0.71 A/R with T3 flange seems a bit of an unknown.

Will be very interested to see how it goes for you. One of these should offer response and good power.

Any chance of a clear shot of the ID plate with numbers?

Wheezy Mentor

Wheezy

Posted
Posted (edited)

why the standard dump pipe? that will be hella restrictive!!!!!!

none the less top stuff :)

Ill be watching this thread closely as I am going an externally gated 30R on my 20

-Jez

Edited by Wheezy
Drifterdan Collaborator

Drifterdan

Posted
Posted (edited)

Just curious if this on a RB20 or 25.. I have purchased a GT30 with that .64 option above(have to look into the exact specs of it when i get it). Would be keen to compare if yours is on RB20, though mine wont be tuned till mid Janurary.

Are you planning on using camshafts at all cause Id also be curious to see what you choose. Cams are a unknown area to me and any advice I can get would be a bonus lol...

cheers Dan.

Edited by Smooth
Nabil Rising Star

Nabil

Posted
  • Author
Posted
Just curious if this on a RB20 or 25.. I have purchased a GT30 with that .64 option above(have to look into the exact specs of it when i get it). Would be keen to compare if yours is on RB20, though mine wont be tuned till mid Janurary.

Are you planning on using camshafts at all cause Id also be curious to see what you choose. Cams are a unknown area to me and any advice I can get would be a bonus lol...

cheers Dan.

Its going on a RB25

Will probably put a set of 550cc injectors

Still debating on wether or not i will put camshafts. :)

Nabil Rising Star

Nabil

Posted
  • Author
Posted
That looks like a big comp cover - no wonder you needed the spacer.

What is the origin of the turbine housing? 0.71 A/R with T3 flange seems a bit of an unknown.

Will be very interested to see how it goes for you. One of these should offer response and good power.

Any chance of a clear shot of the ID plate with numbers?

Will post a pic latter on today.

tridentt150v Grand Master

tridentt150v

Posted
Posted

The oil line comes out lower down and at the side of the block for mine ['98 rb25], did this change? Was it different for earlier models?

The photo shows the oil line coming from the back of the block?

Just curious........it could just be in the rotation of the housing etc

Nabil Rising Star

Nabil

Posted
  • Author
Posted
The oil line comes out lower down and at the side of the block for mine ['98 rb25], did this change? Was it different for earlier models?

The photo shows the oil line coming from the back of the block?

Just curious........it could just be in the rotation of the housing etc

Pretty sure its the rotation.

On the photo the compressor and exhaust covers were not yet adjusted.

Nabil Rising Star

Nabil

Posted
  • Author
Posted
Im installing a Gt3071R as well. Certainly not a bolt on operation, just about finished though, should have it firing tonight

I know its a headache.

The next person that says to me the words 'bolt on' will lose his teeth.

Go to go know...back to thw garage. :dry:

Lithium Grand Master

Lithium

Posted
Posted

Damn - some cool things going on with RB25s at the moment. I will watch with great interest at how the GT3071Rs go - I got >< close to going one, but decided a GT3076R in the end.

The RB25 dyno thread will be interesting watching soon!

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