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Garett Gt2860R-5 Vs Gt2860Rs-5 (Disco Potato)

Carthik

By Carthik,
in Engines & Forced Induction

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Carthik Contributor

Carthik

Posted
Posted

I think I have decided on the Garrett GT2860R-5 turbos for my RB26 rebuild, but am just not sure if I should go with the "S/DiscoPotato" Version. From my very limited comprehensions of turbos, all the stats look the same except for the compressor and turbine maps which I do not understand.. Does anyone have any experience between the two? They cost the same so would going with the "S" version be a no brainer? There is also a 0.86 A/R housing option for both turbos, how would this affect performance?

Links to each turbo:

GT2860R-5

http://www.turbobygarrett.com/turbobygarrett/catelog/Turbochargers/GT28/GT2860R_707160_5.htm

GT2860RS-5

http://www.turbobygarrett.com/turbobygarrett/catelog/Turbochargers/GT28/GT2860RS_739548_5.htm

Thanks,

Carthik

GTScotT Grand Master

GTScotT

Posted
Posted

AFAIK they are the same turbo, your right on the specs aspect of it.

The differences, as mentioned, are the housings.

The disco is made for a generic application which uses hoses and clamps for its intake side, where as the -5s will literally BOLT IN to factory position on the GTR. You can litterally bolt them onto a stock car without changing a single bolt else.

Do the research first and make sure the -5s are the turbo for you, but do not go for the "disco" version as that will cost you an all out arm and a leg to get onto the car for almost zero gain.

The Dan Grand Master

The Dan

Posted
Posted

^^ What he said, although, I have NEVER seen a 'bolt on' -7/-5/-9/-10 turbo. Yes they bolt on with minimal effort but you still have to stuff around for ages modifying the oil drain as it fouls on the comp cover bolt etc. Other than that, direct fit

Also think the disco has a larger comp cover and turbine housing so it definitely will not fit without custom manifolds

GTScotT Grand Master

GTScotT

Posted
Posted

Also think the disco has a larger comp cover and turbine housing so it definitely will not fit without custom manifolds

Has a T04B comp cover and 'silvia' based turbine housing, so definitely need custom everything yea.

The direct bolt on thing is not without some stuffing around yeah.. But agreed all original items will bolt back on in the end with a little 'love'.

Don Dada Mentor

Don Dada

Posted
Posted

Has anyone actually tried the 0.86 housing option, just out of curiosity ?

Check this out....

http://www.skylinesaustralia.com/forums/topic/357831-garrett-9/page__p__5720166__fromsearch__1#entry5720166

I still want to know if there really is a "S" version to the -9 tho as my supplier quoted me....

Quick response, good power plus a lil sugar on top now???.......:thumbsup:

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