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Gt28rs On R33

r33nut

By r33nut,
in Engines & Forced Induction

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r33nut Apprentice

r33nut

Posted
Posted

At the moment im deciding if i should make my car into a responsive type car or buy a 450rwkw straight line monster which i have on offer at the moment.

Ive been looking for a while now at turbos and have found that there is an r33 bolt on version of the disco potato which retails for $1350ish, just wondering if there is anyone with one of these fitted, or any informion on the subject.

Cheers

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Cubes Grand Master

Cubes

Posted
Posted

GT3071/GT3076 will keep you happy for some time.

450rwkw straight line monster with rwd? Maybe at the drags with slicks and a big rpm launch.

It would be useless on the street; not because of the power but because it will lag like buggery and offer bugger all acceleration in the first 2 gears when rolling on the throttle.

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discopotato03 Grand Master

discopotato03

Posted
Posted

A GT2860RS is very similar to the HKS spec Garrett GT2530 , all its missing is an RB specific T3 flanged GT28 turbine housing which HKS had made for their RB specific version of the GT2530 .

The real GT3071R (cartridge no 700177-5023) is a step up in turbine and compressor size and in its smallest available 0.63 A/R integral gate turbine housing may be ok - at least its the propper non cropped GT30 turbine in its matching factory GT30 turbine housing and integral wastegate . To keep its external dimensions a little smaller you could possibly ask for one of these to be supplied with a T04B rather than T04E compressor cover .

For a buy/bolt turbo the real GT3071R is probably the go for an enthusiastically driven car . For best results you MUST insist on that 700177-5023 cartridge (centre housing and wheels) and MUST use the genuine Garrett GT30 integral wastegate exhaust housing . If you get sold smilar cartridges with cropped turbines and aftermarket exhaust housings (or modified OEM) then the result will suffer . You have to insist on the right bits to have any hope of it working as the design engineers intended , to the point where you won't discuss any variations on the real one . I know this sounds harsh but when buying tyres they're all black and made of rubber - they don't all work the same though do they .

Your bux your call , cheers A .

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discopotato03 Grand Master

discopotato03

Posted
Posted

I reckon I do . Firstly that turbo in the pictures is not using the 700177-5023 cartridge . Its compressor looks like the evil 7/14 blade T04S type so it won't be a 71.1 mm OD GT35 family comp wheel . Can't be bothered going into all the nitty gritty again but sufficient to say that a 76mm OD compressor won't like working with the Hitachi comp housing . The Hitachi exhaust housing and GT30 turbines are not the best bed mates either . Both wheels really need housings that can support more flow to give off their best . I think the real 0.63 GT3071R in its native 0.63 A/R turbine housing would be a better all round turbo on an RB25DET .

Cheers A .

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