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Which Turbo Is Best For Auto R33?

aquariuz6

By aquariuz6,
in Engines & Forced Induction

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aquariuz6 Proficient

aquariuz6

Posted
Posted

just wondering what turbo would be best on a auto r33 25t

i would like a turbo that kicks in the low rpm towards close to redline

because auto wont even let me rev it close to redline

it just changes gear on its own

any auto SAU's that has had experience with this problem?

i was more looking into a HKS 2530? kicks in at 35k rpm

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https://www.sau.com.au/forums/topic/111348-which-turbo-is-best-for-auto-r33/
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lukits01 Experienced

lukits01

Posted
Posted

I have a 2535 on my Auto R33, its a great turbo, peaks around 6500 with

tons of midrange, only a few hundred RPM more lag than standard turbo, you can barely feel it

I have that same problem atm though, sometimes after a few runs, the auto gearbox just shifts earlier and earlier. I have no idea why. So I get a great first run but it just gets worse after.

lukits01 Experienced

lukits01

Posted
Posted

yea I have a transcooler and valvebody upgrade

didnt solve anything, during the install changed the fluid, and filter

problem still there, Im trying to install oil temp gauge to keep tabs on the auto box temperature, but having problems finding fittings for it

N I B Grand Master

N I B

Posted
Posted
I have a 2535 on my Auto R33, its a great turbo, peaks around 6500 with

tons of midrange, only a few hundred RPM more lag than standard turbo, you can barely feel it

I have that same problem atm though, sometimes after a few runs, the auto gearbox just shifts earlier and earlier. I have no idea why. So I get a great first run but it just gets worse after.

I cant imagine what your new RB30DET is going to be like with the 2535,tow a road train.

BezerkR32 Veteran

BezerkR32

Posted
Posted

Recommend a highflow, There are two types, GCG do one with a BB cartridge, retails for around $1650, The other is a new bush bearing cartridge, Retails for around $1350. You retain standard plumbing & ducting.

Have done this upgrade on a couple of customer cars and they retain similar boost threshhold but pull right through revrange. your auto issues probably warrant a full manual valve body. Do the turbo upgrade fist, and go from there.

just wondering what turbo would be best on a auto r33 25t

i would like a turbo that kicks in the low rpm towards close to redline

because auto wont even let me rev it close to redline

it just changes gear on its own

any auto SAU's that has had experience with this problem?

i was more looking into a HKS 2530? kicks in at 35k rpm

FATAZZ Grand Master

FATAZZ

Posted
Posted

i have a r33 turbo on my auto 32gtst. + SAFC

no problem pulling to redline.

the problem was it wasnt changing quick enough before redline and therefore just hit the limiter.

this problem will be solved very soon as my g/box is being rebuilt much much stronger

aquariuz6 Proficient

aquariuz6

Posted
  • Author
Posted

at what rev does the gcg hi flowed turbo's kick in?

is there any site to help me on this?

i was more thinking on hi flowing but last thing i want is a laggy turbo that goes off for a bit then my car changes gear... no benefit at all

  • 4 weeks later...
R31Nismoid Grand Master

R31Nismoid

Posted
Posted

aquariuz6 - you have posted a number of threads in the past month.

In each one you are asking something totally different, or very similar questions

http://www.skylinesaustralia.com/forums/in...opic=114538&hl=

http://www.skylinesaustralia.com/forums/in...opic=111757&hl=

http://www.skylinesaustralia.com/forums/in...opic=108123&hl=

http://www.skylinesaustralia.com/forums/in...opic=108131&hl=

You need to set a goal and stick to it

Then read the RB25 Dyno Sticky and see what works for you.

If you then compare the turbos yourself, and plug that against the goal that you end up deciding on.

Im not trying to be rude or anything, but we cant really help you, if you cant decide and then stick to it.

As RB Power said, you have an auto, if you get the right convertor you wont loose bottom end as much

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