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How Long Does An Rb20 Turbo Last?

nissan_gtr35
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nissan_gtr35

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Hi All,

I just wanted to know who has had their RB20 turbos last much longer than 180000km? Mine makes a nice screaming noise when it is cold which disappears at the oil temp rises and everything heats up and expands to fill the gaps.

I think its nearing time to do something I have been contemplating for some time, replace my standard RB20 turbo. After inspecting it a bit today I found that it has about 1mm front to back shaft play which im pretty sure means its not too healthy, right? It doesn’t shift side to side, which is good!

The attached picture shows the compressor wheel, which is a little bit rough and worn as you can see!

post-15394-1186208218_thumb.jpg

I was looking to get some advice as to what to replace the old girl with. I am only looking at the following options:

RB25 Turbo

GT25 or GT30 similar to the ones found here:

http://www.skylinesaustralia.com/forums/in...howtopic=178689

http://www.skylinesaustralia.com/forums/in...hl=garrett+GT30

I use the car as a daily driver and am not after any huge amount of power, although having the potential for more is what makes the GT series turbos a bit more appealing.

I suppose I am leaning towards the RB25 turbo but there are not too many available in my area (Adelaide) at the moment. Also in a months time I will be driving the car from Adelaide to Melbourne to Wagga to Adelaide so im a bit concerned about the possibility of the turbo crapping itself before I get home!

Current car specs are:

RB20DET (standard)

Hybrid FMIC

Aftermarket exhaust – turbo back (was told HKS but im pretty sure it isn’t)

Apexi Air Pod

ARC BOV

HKS EVC III

Any advice appreciated

Laine

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