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R33 Gts-t Turbo Recommendation

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GTScotT Grand Master

GTScotT

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Have a read at hypergear's latest update with the ATR43g3. Very reasonable response for 303rwkws. And that is internal gated on a stock standard engine with all factory gears.

That is fairly false, while a good upgrade the majority of results see no where near 300rwkw from the high flows.

Most people see 230-240rwkw from a high flow, dyno results thread to back.

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hypergear Grand Master

hypergear

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That is fairly false, while a good upgrade the majority of results see no where near 300rwkw from the high flows.

Most people see 230-240rwkw from a high flow, dyno results thread to back.

That depends on the type of rear housing that we get to do the high flow as well as the combination of wheel we use refer to customer's driving ability. I've personally tested a .63 PU high flow maxed at 295rwkws, Roller dyno, 98 fuel, tuned by Dr.drift.

How ever the ATR43G3 mentioned is a brand new turbo that is made and proven for 300rwkws application, with 65kws more mid range then the KKR560. Plus controlled run is based on fully standard setup without boost controller or any thing that could advance its original response and power behavior.

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Ruffels Veteran

Ruffels

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That depends on the type of rear housing that we get to do the high flow as well as the combination of wheel we use refer to customer's driving ability. I've personally tested a .63 PU high flow maxed at 295rwkws, Roller dyno, 98 fuel, tuned by Dr.drift.

How ever the ATR43G3 mentioned is a brand new turbo that is made and proven for 300rwkws application, with 50kws more mid range then the KKR560. Plus controlled run is based on fully standard setup without boost controller or any thing that could advance its original response and power behavior.

yes very good result, these figures are with an aftermarket comp housing, chra and rear housing.... , so as stao said, those are a completely aftermarket turbo... not a highflow

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Harey Veteran

Harey

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what boost tho? the 3076 will do same power and response times... but less psi needed to make same power.

its not fair? on who? haha as i said ive had both turbos on rb25's so just posting my experiences.

Its not fair on the poor old 3071 :D

I am challenging this statement:

"what boost tho? the 3076 will do same power and response times... but less psi needed to make same power. "

A 3071 will have better response than a 3076 with same rear housing. The 3076 will have more top end power.

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Simon-S14 Grand Master

Simon-S14

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true.. i should have been clearer. When we're dealing with the 3071 with a cropped ex wheel and a OP6 style or AVO style rear housing and internal wastegate as opposed to the 60mm garret 4bolt ex gate housing... the 3076 comes out top there.

the 3071 with the same garret 4 bolt rear housing is a different story since it has a 71mm wheel as opposed to 76 it will spool earlier for sure.

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R31Nismoid Grand Master

R31Nismoid

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just after a rough figure, but 'roughly' what does it cost to highflow and rebuild the rb25 turbos?

Bush bearing combo would be 800-1200

Proper ball bearing unit would be 1600-2200

Many factors involved from who does it, what specs and so on.

Personally, I'd go the ball bearing everytime.

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ECR-033 Rising Star

ECR-033

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i have a apexi ax53B70, had it tuned the other day and made 240kw on 18psi with 555cc injectors, pfc, z32, 3" exhaust, fmic. but was told i wont get any more out of it. pretty annoyed as i spent just under 2k on it and was told i would see 250 with ease. although i am very happy with the response :D

how much does a 3071 go for?

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Harey Veteran

Harey

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Posted (edited)
I got mine from Kudos Motorsports. I wanted the whole kit (dump, lines etc) and theirs was the cheapest i could find

Yeah just had a look, not a bad deal.

ooooo it has an option for the anti-surge compressor housing. did you get that?

Do you have a dyno sheet? I couldnt find one of yours in the dyno thread?

Edited by Harey
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HEKT1K Grand Master

HEKT1K

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Yeah just had a look, not a bad deal.

ooooo it has an option for the anti-surge compressor housing. did you get that?

Do you have a dyno sheet? I couldnt find one of yours in the dyno thread?

no i didn't want to fab up a massive 4" intake pipe, I managed to squeeze my standard one (with metal insert) over the smaller mouth.

dyno sheet is a few weeks away :)

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Harey Veteran

Harey

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no i didn't want to fab up a massive 4" intake pipe, I managed to squeeze my standard one (with metal insert) over the smaller mouth.

dyno sheet is a few weeks away :)

ah yeah fair enough. its also quite a few extra dollars!

If you want the anti surge compressor housing your prob better off getting the 3076 as that comes with one for no extra dollars.

Keen to see the dyno sheet!

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Harey Veteran

Harey

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Ah yeah didnt think about that. Once you have a 4" intake, the 3" afm will become a restriction and also annoying changing diameters if you did leave it there.

What options are there to remain with a 3" intake. I know simon you will recommend the 4" intake but think about it from a stealth on the street point of view. Is it possible to get an anti surge housing with a 3" intake on a GT30?

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Rolls Grand Master

Rolls

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I've got an rb20 turbo highflowed by GCG on my rb25, makes full boost almost the same as a standard turbo but it pulls very hard even on 12psi around 200rwkw. Is currently being tuned with gtr injectors and all that jazz, hoping to see 240kw with almost standard response and spool times. For a street car it is all about response.

Only thing I don't like about the turbo is the service from gcg, if anything goes wrong you will be blamed for it and have to fork out for the bill.

Edited by Rolls
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Harey Veteran

Harey

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Posted
I've got an rb20 turbo highflowed by GCG on my rb25, makes full boost almost the same as a standard turbo but it pulls very hard even on 12psi around 200rwkw. Is currently being tuned with gtr injectors and all that jazz, hoping to see 240kw with almost standard response and spool times. For a street car it is all about response.

Only thing I don't like about the turbo is the service from gcg, if anything goes wrong you will be blamed for it and have to fork out for the bill.

I dont understand, how is that related to "R33 Gts-t Turbo Recommendation, most responsive for 275rwkw"

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