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Looks Like Garrett Slipped Another Gtx30 Variant In .

discopotato03

By discopotato03,
in Engines & Forced Induction

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GTScotT
GTScotT

I think you would be the only person on this forum to use the words light and moderate in a sentence with the word TUNE. The rest of us want to go fast, very f**king fast.

Ben C34
Ben C34

Goes to show the whole turbo sizing mystery is a dark art filled with mystery The turbo is a very mysterious and powerful device ...and it's mystery is only exceeded by it's power.

Mick_o
Mick_o

https://www.plazmaman.com/shop_itemdetail.php?itemid=153&cate=73 This is basically what I done with my car Dan.. Probably the shortest best run you can buy in kit form.

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  • 3 weeks later...
M@&k Community Regular

M@&k

Posted
Posted

Ok, so I've had some more work done to try and eliminate things which might be holding the GTX3067 back:

* Dump pipe changed from split dump to bellmouth

* Actuator changed from 8psi to 18psi

* Replaced cat (which was an older model high flow) with a 100 cell high flow

After the dyno run to check power etc, the sum effect of the above was... zero.

No change in peak power, no improvement in boost threshold.

Tuner said boost control is much better now, and that the dump pipe no longer gets as hot.

His recommendation next is to change out the turn-flow intercooler, but I'd rather look at mods for better response first if anything.

  • 2 weeks later...
M@&k Community Regular

M@&k

Posted
Posted

I've tried getting my hands on a 0.63 A/R IWG housing, but have been told no stock in Australia and Garrett is no longer manufacturing. I believe Disco mentioned this before too.

Option now is to source from US, or second hand (annoyed I didn't get the one AngryRB was selling now).

Only US supplier I really know of is ATP turbo. Any other suggestions?

AngryRB Grand Master

AngryRB

Posted
Posted (edited)

If it were me id be keeping the housing and sending the turbo to FP , turn it into a HTA3073 and dump the turn flow intercooler, ive got the piping from intercooler to throttle for sale, could be done cheap.

Edited by AngryRB
M@&k Community Regular

M@&k

Posted
Posted

Funnily enough I've been thinking about the HTA3073... but not ready to spend on changing turbo's again just yet. I'm actually pretty happy with how it's going at the moment, just it's always been bugging me about what it might be like with the 0.63 housing, which it probably should have had from the beginning.

Will see how I go sourcing a housing first.

What style piping do you have? Goose neck over the cam covers? Or over the radiator shroud?

discopotato03 Grand Master

discopotato03

Posted
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I would lean towards getting the turbocharger right , I use the same IC and my at the time GTRS on its knees made 271 at the bags . Back then the tuner said boost pressure fell from 17 to 14 indicating that it was choking on the hot side .

A .

AngryRB Grand Master

AngryRB

Posted
Posted (edited)

The one that goes across the radiator, not the best but works. I've gone the plazmaman plenum.

Maybe hypergear has a suitable housing that could bolt onto your turbo?

Edited by AngryRB
M@&k Community Regular

M@&k

Posted
Posted

Having had the dump remade twice now to suit this Garrett housing, I'd be reluctant to change dump pattern again. I'd still keep the 0.82 housing in case of later upgrades (e.g. to HTA3073).

Ben C34 Grand Master

Ben C34

Posted
Posted

It sure is, and I tried to buy it through them, but they refunded my order saying they couldn't get any stock.

I absolutely hate it when they don't update their stock when they know they have none....... ass holes!

M@&k Community Regular

M@&k

Posted
Posted

They didn't realise there wasn't any available until they tried to fill my order. I got the impression they ship direct from Garrett Aus and don't hold stock themselves so they weren't aware there wasn't any stock in the country. He said they'd update their website now they know.

Lithium Grand Master

Lithium

Posted
Posted

There are bound to be some somewhere, maybe worth giving these guys a shot if you want to go there. http://www.atpturbo.com/mm5/merchant.mvc?Screen=PROD&Store_Code=tp&Product_Code=ATP-HSG-037&Category_Code=GTH

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