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Rb20 Turbo Options

iz32

By iz32,
in Engines & Forced Induction

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iz32 Community Regular

iz32

Posted
Posted

after 2 days of going thru these forums reading up ALL of the info on RB20 turbo options i think i finally get it.

some background info...

i currently have a much older style GT2510

(garrett badged with id plate reading: 6D 60201 GT2510-63T 446179-20)

which has bearing sound but still makes 196rwkw.

now i've thoroughly thought about all the turbo options discussed on these forums and have decided id like to go for a hksGT2530/garrettGT28RS sized turbo as im happy with the current power im making but want a little better power delivery that these newer styled (and fresher) turbos will hopefully provide.

unfortunately my budget doesnt agree with simply buying a hks GT2530 and bolting it up so the GT28RS is my prefered option but wont just bolt up cos of the different exhaust flange.

so my questions are.....

can i get my current GT2510 rebuilt and refurbished to something similar to the GT2530 specs and still be affordable and reliable?

or

can i get the exhaust housing of my 2510 adapted to the GT28RS for a bolt up option? assuming the oil/water fittings on the GT28RS are also the same.

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https://www.sau.com.au/forums/topic/142474-rb20-turbo-options/
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CEF11E Veteran

CEF11E

Posted
Posted

the 2510 may not be that expensive to get rebuilt. call a few places and get prices.

Don't change exhaust housings on the GT28RS. you will change the flow chararistics of the turbo.

I Think by the time you get a new dump, oil and water lines and adapter plate and elbow it will cost more to go the GT28RS than getting a 2530.

I would go the 2530. I really wanted one but did not want to spend that much on a turbo. I ended up getting a sliding performance hiflow. I havent put it on yet but will keep you posted with the results. I am expecting a reasonable ammount of lag compared to a 2530 but I quite like off boost driving for the street.

If I were in your shoes if it costs less than $1000 have yours rebuilt. If it is over that sell it and get the 2530.

RS500 Experienced

RS500

Posted
Posted

you could also look at only buying the Garrett GT28RS core and get your GT2510 turbine housing profiled for the larger turbine wheel.

Also, they share the same compressor wheel so compressor housing does not need to be touched

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