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I bought my 2535 cheap second hand on the basis of rebuilding it

The cartridge was dry, and after oiling it and letting it sit for a while with oil in the cartridge I took it to a turbo shop and they said it all felt fine

Been on for 18 months at 255kw and still going great

Anywhere that sells garret turbos should be able to rebuild it if required

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Except that they don't rebuild Garrett ball bearing cartridges.

There's info on turbobygarrett.com about a service program, but it's relevant only to the US market.

If the unit referred to by OP has excessive end play, the solution is to replace the entire cartridge.

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If you really want a fresh HKS GT2530 make sure the compressor wheel isn't damaged and preferably the compressor housing too .

If the one you're considering is for an RB20 or 25 it will have an integral wastegate T3 flanged turbine housing so it can make any GT28BB based turbo bolt to your factory exhaust manifold . Having said that there are limits to what sort of power you can get from even the best GT28xxR turbo particularly on an RB25DET .

If you expect an easy 260+ RWKW on petrol you probably really need a GT30 based turbo in a Garrett . GT3076R or GTX3071R would get you there easily with the supporting mods . GT2530s and similar are better suited to mild 2L 4s .

 

A . 

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8 hours ago, discopotato03 said:

If you really want a fresh HKS GT2530 make sure the compressor wheel isn't damaged and preferably the compressor housing too .

If the one you're considering is for an RB20 or 25 it will have an integral wastegate T3 flanged turbine housing so it can make any GT28BB based turbo bolt to your factory exhaust manifold . Having said that there are limits to what sort of power you can get from even the best GT28xxR turbo particularly on an RB25DET .

If you expect an easy 260+ RWKW on petrol you probably really need a GT30 based turbo in a Garrett . GT3076R or GTX3071R would get you there easily with the supporting mods . GT2530s and similar are better suited to mild 2L 4s .

 

A . 

Thanks for everyone's help.

How does the GTX 3071R perform on a rb 20 and rb 25?

 

I have found only alittle info about them for those engines.  

Edited by yoshiii335
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ball bearing GT2530 for an RB26, receipt says $980. was a couple of years ago now.

 

no details on receipt, but i believe it was a full reco with a new CHRA., cleaned housings and wheels etc. looked new when i got it back.

Edited by burn4005
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