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Hey guys, the turbo on my 32 is just about gone and i'm looking at replacing it.

Currently have an rb25 turbo, however i'm thinking about replacing it with something brand new...

I'm not looking for much of an increase in power so i was wondering what's a cheap (quality) bolt on for the rb20?

p.s. I've looked in the 'rb20 turbo upgrade' section, but that doesnt answer my question...

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https://www.sau.com.au/forums/topic/182964-turbo-upgrade-for-r32/
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Rb25 turbo is a very good upgrade if your not chasing too much power and just want a cheaper alternative.

It will get you to about 180rwkw with supporting mods, but people have been known to make more power.

You really wont find anything more cheaper, and as good quality as an RB25 turbo.

If you want something bigger, you can go to a RB25 high flow, which would be grand new obviously. Depending on the size of the high flow that will be able to get you into the 200rwkw+ bracket, but again with supporting mods.

Supporting mods would include;

Fuel pump - BOSCH 040/WALBRO/GTR

Exhaust - 3" turbo back

Intercooler - Front mount (eg: JUSTJAP kit)

Tune - Either stand alone ECU (wolf, microtech, power fc), piggy back (e-manage, or an SAFC II (fuel computer) or REMAP (most popular, CHIPS & RETUNE'S the standard ECU)

Injectors - (Over 200-220rwkw) GTR injectors

Rb25 turbo is a very good upgrade if your not chasing too much power and just want a cheaper alternative.

It will get you to about 180rwkw with supporting mods, but people have been known to make more power.

You really wont find anything more cheaper, and as good quality as an RB25 turbo.

If you want something bigger, you can go to a RB25 high flow, which would be grand new obviously. Depending on the size of the high flow that will be able to get you into the 200rwkw+ bracket, but again with supporting mods.

Supporting mods would include;

Fuel pump - BOSCH 040/WALBRO/GTR

Exhaust - 3" turbo back

Intercooler - Front mount (eg: JUSTJAP kit)

Tune - Either stand alone ECU (wolf, microtech, power fc), piggy back (e-manage, or an SAFC II (fuel computer) or REMAP (most popular, CHIPS & RETUNE'S the standard ECU)

Injectors - (Over 200-220rwkw) GTR injectors

Have all the above, plus a little more. Car has been dyno'd at 192rwkw. Just wanted to go something new so that i know it will last... CRD, which of the garret's are a bolt on for the rb20?

Have all the above, plus a little more. Car has been dyno'd at 192rwkw. Just wanted to go something new so that i know it will last... CRD, which of the garret's are a bolt on for the rb20?

Awesome. Also wanting to know the same, which ones bolt on to RB20 as all the turbos say they are T25 flange, when RB's are T3?..

GT2860RS is a good upgrade for RB20 though! Very responsive turbo's.

Sell me your RB25 turbo! :(

Edited by abu
  • 2 weeks later...

Why doesn't the rb20 thread answer your question? you can see how much power you people are getting and then see what turbos they use...and then you can do some price searching...i can tell you off hand though...that the common upgrades besides the 33 and 34 stockies are...hks 2530, hks 2535, gcg highflows, slide highflows, kkr430s, kkr480s...and a few other chinese brand turbos...all these will come with a T3 flange and will bolt straight(dump pipes might not)...obviously they will make different power and have different response but it should give you a good starting point...

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